diff --git a/app/core/utils.coffee b/app/core/utils.coffee
index 18b20fa8b..572b3a3da 100644
--- a/app/core/utils.coffee
+++ b/app/core/utils.coffee
@@ -97,10 +97,15 @@ createQuadraticFunc = (params) ->
 createLogFunc = (params) ->
   (x) -> if x > 0 then (params.a or 1) * Math.log((params.b or 1) * (x + (params.c or 0))) + (params.d or 0) else 0
 
+# f(x) = ax^b + c
+createPowFunc = (params) ->
+  (x) -> (params.a or 1) * Math.pow(x, params.b or 1) + (params.c or 0)
+
 module.exports.functionCreators =
   linear: positify(createLinearFunc)
   quadratic: positify(createQuadraticFunc)
   logarithmic: positify(createLogFunc)
+  pow: positify(createPowFunc)
 
 # Call done with true to satisfy the 'until' goal and stop repeating func
 module.exports.keepDoingUntil = (func, wait=100, totalWait=5000) ->
diff --git a/app/lib/world/names.coffee b/app/lib/world/names.coffee
index b70fd2dac..8acef2f2a 100644
--- a/app/lib/world/names.coffee
+++ b/app/lib/world/names.coffee
@@ -649,9 +649,12 @@ module.exports.thangNames = thangNames =
   ]
   'Ninja': [
     'Amara'
+    'Itachi'
     'Kosaraju'
+    'Madara'
     'Minato'
     'Naruto'
+    'Obito'
     'Sakura'
     'Sasuke'
     'Shigeru'
diff --git a/app/locale/he.coffee b/app/locale/he.coffee
index b0c06deb9..4fbaa7eb3 100644
--- a/app/locale/he.coffee
+++ b/app/locale/he.coffee
@@ -19,8 +19,8 @@ module.exports = nativeDescription: "עברית", englishDescription: "Hebrew",
     editor: "עורך"
     blog: "בלוג"
     forum: "פורום"
-#    account: "Account"
-#    profile: "Profile"
+    account: "חשבון"
+    profile: "פרופיל"
 #    stats: "Stats"
 #    code: "Code"
     admin: "אדמין" # Only shows up when you are an admin
@@ -30,7 +30,7 @@ module.exports = nativeDescription: "עברית", englishDescription: "Hebrew",
     about: "עלינו"
     contact: "צור קשר"
     twitter_follow: "עקוב אחרינו בטוויטר"
-#    teachers: "Teachers"
+    teachers: "מורים"
 
   modal:
     close: "סגור"
@@ -50,27 +50,27 @@ module.exports = nativeDescription: "עברית", englishDescription: "Hebrew",
   play:
     play_as: "שחק בתור " # Ladder page
     spectate: "צופה" # Ladder page
-#    players: "players" # Hover over a level on /play
-#    hours_played: "hours played" # Hover over a level on /play
-#    items: "Items" # Tooltip on item shop button from /play
-#    unlock: "Unlock" # For purchasing items and heroes
-#    confirm: "Confirm"
-#    owned: "Owned" # For items you own
-#    locked: "Locked"
-#    purchasable: "Purchasable" # For a hero you unlocked but haven't purchased
-#    available: "Available"
+    players: "שחקנים" # Hover over a level on /play
+    hours_played: "שעות משחק" # Hover over a level on /play
+    items: "כלים" # Tooltip on item shop button from /play
+    unlock: "קנה" # For purchasing items and heroes
+    confirm: "אשר"
+    owned: "נרכש" # For items you own
+    locked: "נעול"
+    purchasable: "ניתן לרכישה" # For a hero you unlocked but haven't purchased
+    available: "זמין"
 #    skills_granted: "Skills Granted" # Property documentation details
-#    heroes: "Heroes" # Tooltip on hero shop button from /play
-#    achievements: "Achievements" # Tooltip on achievement list button from /play
-#    account: "Account" # Tooltip on account button from /play
-#    settings: "Settings" # Tooltip on settings button from /play
-#    next: "Next" # Go from choose hero to choose inventory before playing a level
-#    change_hero: "Change Hero" # Go back from choose inventory to choose hero
+    heroes: "דמויות" # Tooltip on hero shop button from /play
+    achievements: "הישגים" # Tooltip on achievement list button from /play
+    account: "חשבון" # Tooltip on account button from /play
+    settings: "הגדרות" # Tooltip on settings button from /play
+    next: "הבא" # Go from choose hero to choose inventory before playing a level
+    change_hero: "שנה דמות" # Go back from choose inventory to choose hero
 #    choose_inventory: "Equip Items"
-#    buy_gems: "Buy Gems"
+    buy_gems: "רכש אבני חן"
 #    subscription_required: "Subscription Required"
 #    older_campaigns: "Older Campaigns"
-#    anonymous: "Anonymous Player"
+    anonymous: "משתמש אנונימי"
     level_difficulty: "רמת קושי: "
     campaign_beginner: "מסע המתחילים"
 #    awaiting_levels_adventurer_prefix: "We release five levels per week."
@@ -92,22 +92,22 @@ module.exports = nativeDescription: "עברית", englishDescription: "Hebrew",
 #    campaign_classic_algorithms: "Classic Algorithms"
 #    campaign_classic_algorithms_description: "... in which you learn the most popular algorithms in Computer Science."
 
-#  share_progress_modal:
-#    blurb: "You’re making great progress! Tell someone how much you've learned with CodeCombat."
-#    email_invalid: "Email address invalid."
+  share_progress_modal:
+    blurb: ".אתה מתקדם מצויין! ספר למישהו כמה למדת"
+    email_invalid: ".כתובת המייל שהוזנה שגויה"
 #    form_blurb: "Enter their email below and we’ll show them!"
-#    form_label: "Email Address"
-#    placeholder: "email address"
+    form_label: "כתובת מייל"
+    placeholder: "כתובת המייל"
 #    title: "Excellent Work, Apprentice"
-#    tell_friend: "Tell your Friend"
-#    tell_parent: "Tell your Parent"
+    tell_friend: "ספר לחברים"
+    tell_parent: "ספר להורים"
 
   login:
     sign_up: "הירשם"
-    log_in: "היכנס"
-#    logging_in: "Logging In"
+    log_in: "תחברס"
+    logging_in: "מתחבר"
     log_out: "צא"
-#    forgot_password: "Forgot your password?"
+    forgot_password: "שכחתי סיסמא"
 #    authenticate_gplus: "Authenticate G+"
 #    load_profile: "Load G+ Profile"
 #    load_email: "Load G+ Email"
@@ -122,21 +122,21 @@ module.exports = nativeDescription: "עברית", englishDescription: "Hebrew",
     sign_up: "הירשם"
     log_in: "כנס עם סיסמה"
 #    social_signup: "Or, you can sign up through Facebook or G+:"
-#    required: "You need to log in before you can go that way."
-#    login_switch: "Already have an account?"
+    required: ".יש להתחבר על מנת לגשת לשלב זה"
+    login_switch: "? כבר יש לך משתמש"
 
   recover:
     recover_account_title: "שחזר סיסמה"
     send_password: "שלח סיסמה חדשה"
-#    recovery_sent: "Recovery email sent."
+    recovery_sent: "מייל לשחזור סיסמא נשלח"
 
-#  items:
+  items:
 #    primary: "Primary"
 #    secondary: "Secondary"
-#    armor: "Armor"
+    armor: "שריון"
 #    accessories: "Accessories"
 #    misc: "Misc"
-#    books: "Books"
+    books: "ספרי כישוף"
 
   common:
 #    back: "Back" # When used as an action verb, like "Navigate backward"
@@ -144,19 +144,19 @@ module.exports = nativeDescription: "עברית", englishDescription: "Hebrew",
     loading: "...טוען"
     saving: "...שומר"
     sending: "...שולח"
-#    send: "Send"
+    send: "שלח"
     cancel: "ביטול"
     save: "שמור"
-#    publish: "Publish"
-#    create: "Create"
+    publish: "פרסם"
+    create: "צור"
     manual: "מדריך"
     fork: "קילשון"
     play: "שחק" # When used as an action verb, like "Play next level"
-#    retry: "Retry"
-#    actions: "Actions"
-#    info: "Info"
-#    help: "Help"
-#    watch: "Watch"
+    retry: "נסה שוב"
+    actions: "פעולות"
+    info: "מידע"
+    help: "עזרה"
+    watch: "צפה"
 #    unwatch: "Unwatch"
 #    submit_patch: "Submit Patch"
 #    submit_changes: "Submit Changes"
diff --git a/app/locale/hi.coffee b/app/locale/hi.coffee
index c5ddf5ab2..7f6048d6a 100644
--- a/app/locale/hi.coffee
+++ b/app/locale/hi.coffee
@@ -1,17 +1,17 @@
 module.exports = nativeDescription: "मानक हिन्दी", englishDescription: "Hindi", translation:
-#  home:
-#    slogan: "Learn to Code by Playing a Game"
-#    no_ie: "CodeCombat does not run in Internet Explorer 8 or older. Sorry!" # Warning that only shows up in IE8 and older
-#    no_mobile: "CodeCombat wasn't designed for mobile devices and may not work!" # Warning that shows up on mobile devices
-#    play: "Play" # The big play button that opens up the campaign view.
+  home:
+    slogan: "खेल खेल के द्वारा कोड करना सीखें"
+    no_ie: "CodeCombat Internet Explorer 8 या पुराने में नहीं चलता है| असुविधा के लिए खेद है!" # Warning that only shows up in IE8 and older
+    no_mobile: "CodeCombat मोबाइल उपकरणों के लिए तैयार नहीं है और काम नहीं कर सकता!" # Warning that shows up on mobile devices
+    play: "खेलें " # The big play button that opens up the campaign view.
 #    old_browser: "Uh oh, your browser is too old to run CodeCombat. Sorry!" # Warning that shows up on really old Firefox/Chrome/Safari
 #    old_browser_suffix: "You can try anyway, but it probably won't work."
 #    ipad_browser: "Bad news: CodeCombat doesn't run on iPad in the browser. Good news: our native iPad app is awaiting Apple approval."
-#    campaign: "Campaign"
-#    for_beginners: "For Beginners"
-#    multiplayer: "Multiplayer" # Not currently shown on home page
-#    for_developers: "For Developers" # Not currently shown on home page.
-#    or_ipad: "Or download for iPad"
+    campaign: "अभियान"
+    for_beginners: "नौसिखिये के लिए"
+    multiplayer: "मल्टीप्लेयर" # Not currently shown on home page
+    for_developers: "डेवलपर्स के लिए" # Not currently shown on home page.
+    or_ipad: "या iPad के लिए डाउनलोड करें"
 
 #  nav:
 #    play: "Levels" # The top nav bar entry where players choose which levels to play
diff --git a/app/locale/ko.coffee b/app/locale/ko.coffee
index d3256f31f..c412d94ba 100644
--- a/app/locale/ko.coffee
+++ b/app/locale/ko.coffee
@@ -52,7 +52,7 @@ module.exports = nativeDescription: "한국어", englishDescription: "Korean", t
     spectate: "관중모드" # Ladder page
 #    players: "players" # Hover over a level on /play
 #    hours_played: "hours played" # Hover over a level on /play
-#    items: "Items" # Tooltip on item shop button from /play
+    items: "아이템" # Tooltip on item shop button from /play
 #    unlock: "Unlock" # For purchasing items and heroes
 #    confirm: "Confirm"
 #    owned: "Owned" # For items you own
@@ -92,12 +92,12 @@ module.exports = nativeDescription: "한국어", englishDescription: "Korean", t
 #    campaign_classic_algorithms: "Classic Algorithms"
 #    campaign_classic_algorithms_description: "... in which you learn the most popular algorithms in Computer Science."
 
-#  share_progress_modal:
+  share_progress_modal:
 #    blurb: "You’re making great progress! Tell someone how much you've learned with CodeCombat."
 #    email_invalid: "Email address invalid."
 #    form_blurb: "Enter their email below and we’ll show them!"
-#    form_label: "Email Address"
-#    placeholder: "email address"
+    form_label: "이메일"
+    placeholder: "이메일"
 #    title: "Excellent Work, Apprentice"
 #    tell_friend: "Tell your Friend"
 #    tell_parent: "Tell your Parent"
@@ -130,13 +130,13 @@ module.exports = nativeDescription: "한국어", englishDescription: "Korean", t
     send_password: "복구 비밀번호 전송"
 #    recovery_sent: "Recovery email sent."
 
-#  items:
+  items:
 #    primary: "Primary"
 #    secondary: "Secondary"
-#    armor: "Armor"
+    armor: "갑옷"
 #    accessories: "Accessories"
 #    misc: "Misc"
-#    books: "Books"
+    books: "책"
 
   common:
 #    back: "Back" # When used as an action verb, like "Navigate backward"
@@ -164,7 +164,7 @@ module.exports = nativeDescription: "한국어", englishDescription: "Korean", t
   general:
     and: "그리고"
     name: "이름"
-#    date: "Date"
+    date: "날짜"
     body: "구성"
     version: "버전"
 #    pending: "Pending"
@@ -179,9 +179,9 @@ module.exports = nativeDescription: "한국어", englishDescription: "Korean", t
     version_history_for: "버전 히스토리 : "
 #    select_changes: "Select two changes below to see the difference."
 #    undo_prefix: "Undo"
-#    undo_shortcut: "(Ctrl+Z)"
+    undo_shortcut: "(Ctrl+Z)"
 #    redo_prefix: "Redo"
-#    redo_shortcut: "(Ctrl+Shift+Z)"
+    redo_shortcut: "(Ctrl+Shift+Z)"
 #    play_preview: "Play preview of current level"
     result: "결과"
     results: "결과들"
@@ -205,25 +205,25 @@ module.exports = nativeDescription: "한국어", englishDescription: "Korean", t
     hard: "상급"
     player: "플레이어"
 #    player_level: "Level" # Like player level 5, not like level: Dungeons of Kithgard
-#    warrior: "Warrior"
-#    ranger: "Ranger"
-#    wizard: "Wizard"
+    warrior: "전사"
+    ranger: "레인저"
+    wizard: "마법사"
 
-#  units:
-#    second: "second"
-#    seconds: "seconds"
-#    minute: "minute"
-#    minutes: "minutes"
-#    hour: "hour"
-#    hours: "hours"
-#    day: "day"
-#    days: "days"
-#    week: "week"
-#    weeks: "weeks"
-#    month: "month"
-#    months: "months"
-#    year: "year"
-#    years: "years"
+  units:
+    second: "초"
+    seconds: "초"
+    minute: "분"
+    minutes: "분"
+    hour: "시간"
+    hours: "시간"
+    day: "일"
+    days: "일"
+    week: "주"
+    weeks: "주"
+    month: "개월"
+    months: "개월"
+    year: "년"
+    years: "년"
 
   play_level:
     done: "완료"
@@ -355,13 +355,13 @@ module.exports = nativeDescription: "한국어", englishDescription: "Korean", t
 #    multiplayer_caption: "Play with friends!"
 #    auth_caption: "Save your progress."
 
-#  leaderboard:
+  leaderboard:
 #    leaderboard: "Leaderboard"
 #    view_other_solutions: "View Other Solutions"
 #    scores: "Scores"
 #    top_players: "Top Players by"
-#    day: "Today"
-#    week: "This Week"
+    day: "오늘"
+    week: "이번 주"
 #    all: "All-Time"
 #    time: "Time"
 #    damage_taken: "Damage Taken"
@@ -433,7 +433,7 @@ module.exports = nativeDescription: "한국어", englishDescription: "Korean", t
 
   choose_hero:
 #    choose_hero: "Choose Your Hero"
-#    programming_language: "Programming Language"
+    programming_language: "프로그래밍 언어"
 #    programming_language_description: "Which programming language do you want to use?"
 #    default: "Default"
 #    experimental: "Experimental"
@@ -444,7 +444,7 @@ module.exports = nativeDescription: "한국어", englishDescription: "Korean", t
     lua_blurb: "게임 스크립팅 언어"
     io_blurb: "간단하지만 아직 잘 알려지지 않은 언어."
 #    status: "Status"
-#    weapons: "Weapons"
+    weapons: "무기"
 #    weapons_warrior: "Swords - Short Range, No Magic"
 #    weapons_ranger: "Crossbows, Guns - Long Range, No Magic"
 #    weapons_wizard: "Wands, Staffs - Long Range, Magic"
@@ -485,7 +485,7 @@ module.exports = nativeDescription: "한국어", englishDescription: "Korean", t
   options:
 #    general_options: "General Options" # Check out the Options tab in the Game Menu while playing a level
 #    volume_label: "Volume"
-#    music_label: "Music"
+    music_label: "음악"
 #    music_description: "Turn background music on/off."
 #    autorun_label: "Autorun"
 #    autorun_description: "Control automatic code execution."
@@ -520,17 +520,17 @@ module.exports = nativeDescription: "한국어", englishDescription: "Korean", t
 #    press_paragraph_1_prefix: "Want to write about us? Feel free to download and use all of the resources included in our"
 #    press_paragraph_1_link: "press packet"
 #    press_paragraph_1_suffix: ". All logos and images may be used without contacting us directly."
-#    team: "Team"
-#    george_title: "CEO"
+    team: "팀"
+    george_title: "최고경영자"
 #    george_blurb: "Businesser"
-#    scott_title: "Programmer"
+    scott_title: "프로그래머"
 #    scott_blurb: "Reasonable One"
-#    nick_title: "Programmer"
+    nick_title: "프로그래머"
 #    nick_blurb: "Motivation Guru"
-#    michael_title: "Programmer"
+    michael_title: "프로그래머"
 #    michael_blurb: "Sys Admin"
-#    matt_title: "Programmer"
-#    matt_blurb: "Bicyclist"
+    matt_title: "프로그래머"
+    matt_blurb: "자전거 타는 사람"
 
 #  teachers:
 #    title: "CodeCombat for Teachers"
@@ -588,7 +588,7 @@ module.exports = nativeDescription: "한국어", englishDescription: "Korean", t
     forum_page: "포럼"
     forum_suffix: " 대신에."
 #    faq_prefix: "There's also a"
-#    faq: "FAQ"
+    faq: "자주 묻는 질문"
 #    subscribe_prefix: "If you need help figuring out a level, please"
 #    subscribe: "buy a CodeCombat subscription"
 #    subscribe_suffix: "and we'll be happy to help you with your code."
@@ -706,9 +706,9 @@ module.exports = nativeDescription: "한국어", englishDescription: "Korean", t
     revert: "되돌리기"
     revert_models: "모델 되돌리기"
     pick_a_terrain: "지형을 선택하세요."
-#    dungeon: "Dungeon"
+    dungeon: "지하 감옥"
 #    indoor: "Indoor"
-#    desert: "Desert"
+    desert: "사막"
     grassy: "풀로 덮인"
     small: "작게"
 #    large: "Large"
@@ -1007,10 +1007,10 @@ module.exports = nativeDescription: "한국어", englishDescription: "Korean", t
 #    user_remark: "User Remark"
 #    user_remarks: "User Remarks"
 #    versions: "Versions"
-#    items: "Items"
+    items: "아이템"
 #    heroes: "Heroes"
 #    achievement: "Achievement"
-#    clas: "CLAs"
+    clas: "CLAs"
 #    play_counts: "Play Counts"
 #    feedback: "Feedback"
 #    payment_info: "Payment Info"
diff --git a/app/locale/pt-PT.coffee b/app/locale/pt-PT.coffee
index 9bcbbd46c..7e9eb9ef8 100644
--- a/app/locale/pt-PT.coffee
+++ b/app/locale/pt-PT.coffee
@@ -112,7 +112,7 @@ module.exports = nativeDescription: "Português (Portugal)", englishDescription:
     load_profile: "Carregar Perfil do G+"
     load_email: "Carregar E-mail do G+"
     finishing: "A terminar"
-    sign_in_with_facebook: "Iniciar sessão com o Facebook"
+    sign_in_with_facebook: "Iniciar sessão com o F"
     sign_in_with_gplus: "Iniciar sessão com o G+"
     signup_switch: "Queres criar uma conta?"
 
@@ -606,7 +606,7 @@ module.exports = nativeDescription: "Português (Portugal)", englishDescription:
     me_tab: "Eu"
     picture_tab: "Fotografia"
     upload_picture: "Anexar uma fotografia"
-#    god_mode: "God Mode"
+    god_mode: "Modo Deus"
     password_tab: "Palavra-passe"
     emails_tab: "E-mails"
     admin: "Administrador"
@@ -860,7 +860,7 @@ module.exports = nativeDescription: "Português (Portugal)", englishDescription:
     ratio: "Rácio"
     leaderboard: "Tabela de Classificação"
     battle_as: "Lutar como "
-    summary_your: "As tuas "
+    summary_your: "As Tuas "
     summary_matches: "Partidas - "
     summary_wins: " Vitórias, "
     summary_losses: " Derrotas"
diff --git a/app/schemas/models/achievement.coffee b/app/schemas/models/achievement.coffee
index 98d4767ad..fdf783754 100644
--- a/app/schemas/models/achievement.coffee
+++ b/app/schemas/models/achievement.coffee
@@ -66,7 +66,7 @@ _.extend AchievementSchema.properties,
     type: 'object'
     description: 'Function that gives total experience for X amount achieved'
     properties:
-      kind: {enum: ['linear', 'logarithmic', 'quadratic'] }
+      kind: {enum: ['linear', 'logarithmic', 'quadratic', 'pow'] }
       parameters:
         type: 'object'
         default: { a: 1, b: 0, c: 0 }
diff --git a/app/styles/play/campaign-view.sass b/app/styles/play/campaign-view.sass
index 737ab74f1..9fbf37a2a 100644
--- a/app/styles/play/campaign-view.sass
+++ b/app/styles/play/campaign-view.sass
@@ -424,7 +424,7 @@ $gameControlMargin: 30px
 
   #volume-button
     position: absolute
-    left: 1%
+    right: 1%
     top: 1%
     padding: 3px 8px
     @include opacity(0.75)
@@ -450,9 +450,9 @@ $gameControlMargin: 30px
 
   #back-button
     position: absolute
-    left: 70px
-    left: -webkit-calc(1% + 55px)
-    left: calc(1% + 55px)
+    right: 70px
+    right: -webkit-calc(1% + 55px)
+    right: calc(1% + 55px)
     top: 1%
     padding: 3px 8px
     @include opacity(0.75)
@@ -565,7 +565,12 @@ $gameControlMargin: 30px
             margin-top: 30px
             min-width: 100px
 
-
+  #small-nav-logo
+    position: absolute
+    top: 1%
+    left: 1%
+    height: 60px
+    z-index: 1
 
 body.ipad #campaign-view
   // iPad only supports up to Kithgard Gates for now.
diff --git a/app/templates/play/campaign-view.jade b/app/templates/play/campaign-view.jade
index 2ed824e18..5245fe112 100644
--- a/app/templates/play/campaign-view.jade
+++ b/app/templates/play/campaign-view.jade
@@ -1,3 +1,6 @@
+a(href="/")
+  img#small-nav-logo(src="/images/pages/base/logo.png", title="CodeCombat - Learn how to code by playing a game", alt="CodeCombat")
+      
 if campaign
   .map
     .gradient.horizontal-gradient.top-gradient
diff --git a/app/views/play/menu/InventoryModal.coffee b/app/views/play/menu/InventoryModal.coffee
index 61ca63162..228158afe 100644
--- a/app/views/play/menu/InventoryModal.coffee
+++ b/app/views/play/menu/InventoryModal.coffee
@@ -250,6 +250,7 @@ module.exports = class InventoryModal extends ModalView
 
   onUnequippedItemClick: (e) ->
     return if @justDoubleClicked
+    return if @justClickedEquipItemButton
     itemEl = $(e.target).closest('.item')
     #@playSound 'menu-button-click'
     @selectUnequippedItem(itemEl)
@@ -270,6 +271,8 @@ module.exports = class InventoryModal extends ModalView
     itemEl = $(e.target).closest('.item')
     @selectUnequippedItem(itemEl)
     @equipSelectedItem()
+    @justClickedEquipItemButton = true
+    _.defer => @justClickedEquipItemButton = false
 
   #- Select/equip higher-level, all encompassing methods the callbacks all use
 
diff --git a/scripts/recalculateStatistics.coffee b/scripts/recalculateStatistics.coffee
index 7c54478af..4892c4f58 100644
--- a/scripts/recalculateStatistics.coffee
+++ b/scripts/recalculateStatistics.coffee
@@ -27,19 +27,19 @@ whenAllFinished = ->
 
 async.parallel [
   # Misc
-  (c) -> report UserHandler.recalculateStats, 'gamesCompleted', c
-  
+  #(c) -> report UserHandler.recalculateStats, 'gamesCompleted', c
+
   # Edits
   (c) -> report UserHandler.recalculateStats, 'articleEdits', c
   (c) -> report UserHandler.recalculateStats, 'levelEdits', c
   (c) -> report UserHandler.recalculateStats, 'levelComponentEdits', c
   (c) -> report UserHandler.recalculateStats, 'levelSystemEdits', c
   (c) -> report UserHandler.recalculateStats, 'thangTypeEdits', c
-  
+
   # Patches
   (c) -> report UserHandler.recalculateStats, 'patchesContributed', c
   (c) -> report UserHandler.recalculateStats, 'patchesSubmitted', c
-  
+
   # Patches in memory
   (c) -> report UserHandler.recalculateStats, 'totalTranslationPatches', c
   (c) -> report UserHandler.recalculateStats, 'totalMiscPatches', c
diff --git a/server/levels/sessions/LevelSession.coffee b/server/levels/sessions/LevelSession.coffee
index 49153fde7..b330eeb51 100644
--- a/server/levels/sessions/LevelSession.coffee
+++ b/server/levels/sessions/LevelSession.coffee
@@ -30,31 +30,31 @@ LevelSessionSchema.plugin(AchievablePlugin)
 previous = {}
 
 LevelSessionSchema.post 'init', (doc) ->
-  previous[doc.get 'id'] =
-    'state.complete': doc.get 'state.complete'
-    'playtime': doc.get 'playtime'
+  unless doc.previousStateInfo
+    doc.previousStateInfo =
+      'state.complete': doc.get 'state.complete'
+      playtime: doc.get 'playtime'
 
 LevelSessionSchema.pre 'save', (next) ->
   User = require '../../users/User'  # Avoid mutual inclusion cycles
   @set('changed', new Date())
 
   id = @get('id')
-  initd = id of previous
+  initd = @previousStateInfo?
   levelID = @get('levelID')
   userID = @get('creator')
   activeUserEvent = null
 
   # Newly completed level
-  if not (initd and previous[id]['state']?['complete']) and @get('state.complete')
+  if not (initd and @previousStateInfo['state.complete']) and @get('state.complete')
     User.update {_id: userID}, {$inc: 'stats.gamesCompleted': 1}, {}, (err, count) ->
       log.error err if err?
     activeUserEvent = "level-completed/#{levelID}"
 
   # Spent at least 30s playing this level
-  if not initd and @get('playtime') >= 30 or initd and (@get('playtime') - previous[id]['playtime'] >= 30)
+  if not initd and @get('playtime') >= 30 or initd and (@get('playtime') - @previousStateInfo['playtime'] >= 30)
     activeUserEvent = "level-playtime/#{levelID}"
 
-  delete previous[id] if initd
   if activeUserEvent?
     User.saveActiveUser userID, activeUserEvent, next
   else
diff --git a/server/routes/db.coffee b/server/routes/db.coffee
index 8b5a9747c..d34dc6869 100644
--- a/server/routes/db.coffee
+++ b/server/routes/db.coffee
@@ -43,7 +43,9 @@ module.exports.setup = (app) ->
       handler[req.route.method](req, res, parts[1..]...)
     catch error
       errorMessage = "Error trying db method #{req?.route?.method} route #{parts} from #{name}: #{error}"
-      # TODO: add user info to this log
+      if req.user?
+        userInfo = req.user.getUserInfo()
+        errorMessage += "\n-- User Info   Id: #{userInfo.id}  #{if req.user.isAnonymous() then '' else 'Email:'} #{userInfo.email}"
       log.error(errorMessage)
       log.error(error)
       log.error(error.stack)
diff --git a/server/users/User.coffee b/server/users/User.coffee
index 81c11a18b..c9d8ced80 100644
--- a/server/users/User.coffee
+++ b/server/users/User.coffee
@@ -45,6 +45,12 @@ UserSchema.methods.isAdmin = ->
 UserSchema.methods.isAnonymous = ->
   @get 'anonymous'
 
+UserSchema.methods.getUserInfo = ->
+  info =
+    id : @get('_id')
+    email : if @get('anonymous') then 'Unregistered User' else @get('email')
+  return info
+
 UserSchema.methods.trackActivity = (activityName, increment) ->
   now = new Date()
   increment ?= parseInt increment or 1
diff --git a/server/users/user_handler.coffee b/server/users/user_handler.coffee
index f90e0d4d5..ecd228697 100644
--- a/server/users/user_handler.coffee
+++ b/server/users/user_handler.coffee
@@ -518,18 +518,23 @@ UserHandler = class UserHandler extends Handler
   countEdits = (model, done) ->
     statKey = User.statsMapping.edits[model.modelName]
     return done(new Error 'Could not resolve statKey for model') unless statKey?
-    userStream = User.find().stream()
+    userStream = User.find({anonymous: false}).sort('_id').stream()
     streamFinished = false
     usersTotal = 0
     usersFinished = 0
+    numberRunning = 0
     doneWithUser = (err) ->
       log.error err if err?
       ++usersFinished
+      --numberRunning
+      userStream.resume()
       done?() if streamFinished and usersFinished is usersTotal
     userStream.on 'error', (err) -> log.error err
     userStream.on 'close', -> streamFinished = true
     userStream.on 'data',  (user) ->
-      usersTotal += 1
+      ++usersTotal
+      ++numberRunning
+      userStream.pause() if numberRunning > 20
       userObjectID = user.get('_id')
       userStringID = userObjectID.toHexString()
 
@@ -540,6 +545,7 @@ UserHandler = class UserHandler extends Handler
         else
           update = $unset: {}
           update.$unset[statKey] = ''
+        console.log "... updating #{userStringID} patches #{statKey} to #{count}, #{usersTotal} players found so far." if count
         User.findByIdAndUpdate user.get('_id'), update, (err) ->
           log.error err if err?
           doneWithUser()
@@ -565,20 +571,26 @@ UserHandler = class UserHandler extends Handler
       update = {}
       update[method] = {}
       update[method][statName] = count or ''
+      console.log "... updating #{user.get('_id')} patches #{JSON.stringify(query)} #{statName} to #{count}, #{usersTotal} players found so far." if count
       User.findByIdAndUpdate user.get('_id'), update, doneUpdatingUser
 
-    userStream = User.find().stream()
+    userStream = User.find({anonymous: false}).sort('_id').stream()
     streamFinished = false
     usersTotal = 0
     usersFinished = 0
+    numberRunning = 0
     doneWithUser = (err) ->
       log.error err if err?
       ++usersFinished
+      --numberRunning
+      userStream.resume()
       done?() if streamFinished and usersFinished is usersTotal
     userStream.on 'error', (err) -> log.error err
     userStream.on 'close', -> streamFinished = true
     userStream.on 'data',  (user) ->
-      usersTotal += 1
+      ++usersTotal
+      ++numberRunning
+      userStream.pause() if numberRunning > 20
       userObjectID = user.get '_id'
       userStringID = userObjectID.toHexString()
       # Extend query with a patch ownership test
@@ -596,18 +608,23 @@ UserHandler = class UserHandler extends Handler
   countPatchesByUsers = (query, statName, done) ->
     Patch = require '../patches/Patch'
 
-    userStream = User.find().stream()
+    userStream = User.find({anonymous: false}).sort('_id').stream()
     streamFinished = false
     usersTotal = 0
     usersFinished = 0
+    numberRunning = 0
     doneWithUser = (err) ->
       log.error err if err?
       ++usersFinished
+      --numberRunning
+      userStream.resume()
       done?() if streamFinished and usersFinished is usersTotal
     userStream.on 'error', (err) -> log.error err
     userStream.on 'close', -> streamFinished = true
     userStream.on 'data',  (user) ->
-      usersTotal += 1
+      ++usersTotal
+      ++numberRunning
+      userStream.pause() if numberRunning > 20
       userObjectID = user.get '_id'
       userStringID = userObjectID.toHexString()
       # Extend query with a patch ownership test
@@ -618,28 +635,37 @@ UserHandler = class UserHandler extends Handler
         update = {}
         update[method] = {}
         update[method][statName] = count or ''
+        console.log "... updating #{userStringID} patches #{query} to #{count}, #{usersTotal} players found so far." if count
         User.findByIdAndUpdate user.get('_id'), update, doneWithUser
 
   statRecalculators:
     gamesCompleted: (done) ->
       LevelSession = require '../levels/sessions/LevelSession'
 
-      userStream = User.find().stream()
+      userStream = User.find({anonymous: false}).sort('_id').stream()
       streamFinished = false
       usersTotal = 0
       usersFinished = 0
+      numberRunning = 0
       doneWithUser = (err) ->
         log.error err if err?
         ++usersFinished
-        done?() if streamFinished and usersFinished is usersTotal
+        --numberRunning
+        userStream.resume()
+        if streamFinished and usersFinished is usersTotal
+          console.log "----------- Finished recalculating statistics for gamesCompleted for #{usersFinished} players. -----------"
+          done?()
       userStream.on 'error', (err) -> log.error err
       userStream.on 'close', -> streamFinished = true
       userStream.on 'data',  (user) ->
-        usersTotal += 1
+        ++usersTotal
+        ++numberRunning
+        userStream.pause() if numberRunning > 20
         userID = user.get('_id').toHexString()
 
         LevelSession.count {creator: userID, 'state.complete': true}, (err, count) ->
           update = if count then {$set: 'stats.gamesCompleted': count} else {$unset: 'stats.gamesCompleted': ''}
+          console.log "... updating #{userID} gamesCompleted to #{count}, #{usersTotal} players found so far." if Math.random() < 0.001
           User.findByIdAndUpdate user.get('_id'), update, doneWithUser
 
     articleEdits: (done) ->