diff --git a/app/lib/world/rand.coffee b/app/lib/world/rand.coffee
index 07e87332c..6cb687aa5 100644
--- a/app/lib/world/rand.coffee
+++ b/app/lib/world/rand.coffee
@@ -7,7 +7,7 @@ class Rand
     @multiplier = 1664525
     @modulo = 4294967296 # 2**32-1
     @offset = 1013904223
-    unless @seed? and 0 <= seed < @modulo
+    unless @seed? and 0 <= @seed < @modulo
       @seed = (new Date().valueOf() * new Date().getMilliseconds()) % @modulo
 
   # sets new seed value, even handling negative numbers
diff --git a/app/locale/fr.coffee b/app/locale/fr.coffee
index 91b136e52..b3d996dab 100644
--- a/app/locale/fr.coffee
+++ b/app/locale/fr.coffee
@@ -78,7 +78,7 @@ module.exports = nativeDescription: "français", englishDescription: "French", t
     awaiting_levels_adventurer_prefix: "Nous produisons cinq niveaux par semaine."
     awaiting_levels_adventurer: "S'inscrire comme aventurier"
     awaiting_levels_adventurer_suffix: "afin d'être le premier à jouer de nouveaux niveaux."
-#    adjust_volume: "Adjust volume"
+    adjust_volume: "Ajuster le volume"
     choose_your_level: "Choisissez votre niveau" # The rest of this section is the old play view at /play-old and isn't very important.
     adventurer_prefix: "Vous pouvez passer à n'importe quel niveau ci-dessous, ou discuter des niveaux sur "
     adventurer_forum: "le forum de l'Aventurier"
@@ -157,10 +157,10 @@ module.exports = nativeDescription: "français", englishDescription: "French", t
     date: "Date"
     body: "Corps"
     version: "Version"
-#    pending: "Pending"
-#    accepted: "Accepted"
-#    rejected: "Rejected"
-#    withdrawn: "Withdrawn"
+    pending: "En attente"
+    accepted: "Accepté"
+    rejected: "Rejeté"
+    withdrawn: "Retiré"
     submitter: "Soumissionnaire"
     submitted: "Soumis"
     commit_msg: "Message de mise à jour"
@@ -168,10 +168,10 @@ module.exports = nativeDescription: "français", englishDescription: "French", t
     version_history: "Historique des versions"
     version_history_for: "Historique des versions pour : "
     select_changes: "Sélectionner deux changements plus bas pour voir la différence."
-#    undo_prefix: "Undo"
-#    undo_shortcut: "(Ctrl+Z)"
-#    redo_prefix: "Redo"
-#    redo_shortcut: "(Ctrl+Shift+Z)"
+    undo_prefix: "Annuler"
+    undo_shortcut: "(Ctrl+Z)"
+    redo_prefix: "Refaire"
+    redo_shortcut: "(Ctrl+Shift+Z)"
     play_preview: "Jouer un aperçu du niveau actuel"
     result: "Résultat"
     results: "Résultats"
@@ -195,9 +195,9 @@ module.exports = nativeDescription: "français", englishDescription: "French", t
     hard: "Difficile"
     player: "Joueur"
     player_level: "Niveau" # Like player level 5, not like level: Dungeons of Kithgard
-#    warrior: "Warrior"
-#    ranger: "Ranger"
-#    wizard: "Wizard"
+    warrior: "Guerrier"
+    ranger: "Ranger"
+    wizard: "Magicien"
 
   units:
     second: "seconde"
@@ -276,7 +276,7 @@ module.exports = nativeDescription: "français", englishDescription: "French", t
     loading_ready: "Pret!"
     loading_start: "Démarrer niveau"
     problem_alert_title: "Corriger votre Code"
-#    problem_alert_help: "Help"
+    problem_alert_help: "Aide"
     time_current: "Maintenant:"
     time_total: "Max:"
     time_goto: "Allez a:"
@@ -328,8 +328,8 @@ module.exports = nativeDescription: "français", englishDescription: "French", t
     save_load_tab: "Sauvegarder/Charger"
     options_tab: "Options"
     guide_tab: "Guide"
-#    guide_video_tutorial: "Video Tutorial"
-#    guide_tips: "Tips"
+    guide_video_tutorial: "Tutoriel vidéo"
+    guide_tips: "Astuces"
     multiplayer_tab: "Multijoueur"
     auth_tab: "S'inscrire"
     inventory_caption: "Équipez votre héro"
@@ -343,7 +343,7 @@ module.exports = nativeDescription: "français", englishDescription: "French", t
   inventory:
     choose_inventory: "Équiper des Objets"
     equipped_item: "Equipé"
-#    required_purchase_title: "Required"
+    required_purchase_title: "Requis"
     available_item: "Disponible"
     restricted_title: "Limité"
     should_equip: "(double-clic pour s'équiper)"
@@ -368,7 +368,7 @@ module.exports = nativeDescription: "français", englishDescription: "French", t
   subscribe:
     subscribe_title: "Inscription"
     unsubscribe: "Désinscription"
-#    confirm_unsubscribe: "Confirm Unsubscribe"
+    confirm_unsubscribe: "Confirmer la désinscription"
 #    never_mind: "Never Mind, I Still Love You"
 #    thank_you_months_prefix: "Thank you for supporting us these last"
 #    thank_you_months_suffix: "months."
diff --git a/app/locale/nl-NL.coffee b/app/locale/nl-NL.coffee
index 01d6da2c3..eb7d23235 100644
--- a/app/locale/nl-NL.coffee
+++ b/app/locale/nl-NL.coffee
@@ -66,24 +66,24 @@ module.exports = nativeDescription: "Nederlands (Nederland)", englishDescription
     settings: "Instellingen" # Tooltip on settings button from /play
     next: "Volgende" # Go from choose hero to choose inventory before playing a level
     change_hero: "Verander held" # Go back from choose inventory to choose hero
-#    choose_inventory: "Equip Items"
+    choose_inventory: "Uitrusting kiezen"
     buy_gems: "Edelstenen kopen"
     subscription_required: "Abonnement nodig"
     free: "Gratis"
     subscribed: "Geabbonneerd"
-#    older_campaigns: "Older Campaigns"
+    older_campaigns: "Oudere Campaigns"
     anonymous: "Anonieme Speler"
     level_difficulty: "Moeilijkheidsgraad: "
     campaign_beginner: "Beginnercampagne"
     awaiting_levels_adventurer_prefix: "We brengen 5 nieuwe levels per week uit."
     awaiting_levels_adventurer: "Schrijf je in als Avonturier"
     awaiting_levels_adventurer_suffix: "om de eerste te zijn die nieuwe levels speelt."
-#    adjust_volume: "Adjust volume"
+    adjust_volume: "Volume aanpassen"
     choose_your_level: "Kies Je Level" # The rest of this section is the old play view at /play-old and isn't very important.
     adventurer_prefix: "Je kunt meteen naar een van de levels hieronder springen, of de levels bespreken op "
     adventurer_forum: "het Avonturiersforum"
     adventurer_suffix: "."
-#    campaign_old_beginner: "Old Beginner Campaign"
+    campaign_old_beginner: "Oude Beginner Campaign"
     campaign_old_beginner_description: "... waarin je de toverkunst van het programmeren leert."
     campaign_dev: "Willekeurige moeilijkere levels"
     campaign_dev_description: "... waarin je de interface leert kennen terwijl je wat moeilijkers doet."
@@ -91,8 +91,8 @@ module.exports = nativeDescription: "Nederlands (Nederland)", englishDescription
     campaign_multiplayer_description: "... waarin je direct tegen andere spelers speelt."
     campaign_player_created: "Door-spelers-gemaakt"
     campaign_player_created_description: "... waarin je ten strijde trekt tegen de creativiteit van andere <a href=\"/contribute#artisan\">Ambachtelijke Tovenaars</a>."
-#    campaign_classic_algorithms: "Classic Algorithms"
-#    campaign_classic_algorithms_description: "... in which you learn the most popular algorithms in Computer Science."
+    campaign_classic_algorithms: "Klassieke Algorithmes"
+    campaign_classic_algorithms_description: "... Waarin je de meest populaire algorithmes van de informatica leert."
 
   login:
     sign_up: "Account maken"
@@ -127,7 +127,7 @@ module.exports = nativeDescription: "Nederlands (Nederland)", englishDescription
     secondary: "Secundair"
     armor: "Harnas"
     accessories: "Accessoires"
-#    misc: "Misc"
+    misc: "Anders" #geen letterlijke vertaling. Ook wel: Diversen of Divers
     books: "Boeken"
 
   common:
@@ -144,8 +144,8 @@ module.exports = nativeDescription: "Nederlands (Nederland)", englishDescription
     play: "Spelen" # When used as an action verb, like "Play next level"
     retry: "Probeer opnieuw"
     actions: "Acties"
-#    info: "Info"
-#    help: "Help"
+    info: "Info"
+    help: "Help"
     watch: "Volgen"
     unwatch: "Ontvolgen"
     submit_patch: "Correctie Opsturen"
@@ -158,20 +158,20 @@ module.exports = nativeDescription: "Nederlands (Nederland)", englishDescription
     body: "Inhoud"
     version: "Versie"
 #    pending: "Pending"
-#    accepted: "Accepted"
-#    rejected: "Rejected"
-#    withdrawn: "Withdrawn"
-#    submitter: "Submitter"
-#    submitted: "Submitted"
+    accepted: "Geaccepteerd"
+    rejected: "Afgewezen"
+    withdrawn: "Teruggetrokken"
+    submitter: "Toevoeger" #inzender
+    submitted: "Toegevoegd" #ingezonden
     commit_msg: "Commit Bericht"
-#    review: "Review"
+    review: "Herzien"
     version_history: "Versie geschiedenis"
     version_history_for: "Versie geschiedenis voor: "
     select_changes: "Selecteer hieronder twee veranderingen om het verschil te zien."
-#    undo_prefix: "Undo"
-#    undo_shortcut: "(Ctrl+Z)"
-#    redo_prefix: "Redo"
-#    redo_shortcut: "(Ctrl+Shift+Z)"
+#    undo_prefix: "Undo" #Ongedaan maken
+    undo_shortcut: "(Ctrl+Z)"
+#    redo_prefix: "Redo" #Opnieuw (doen). O.i.d
+    redo_shortcut: "(Ctrl+Shift+Z)"
     play_preview: "Speel voorproefje van dit level"
     result: "Resultaat"
     results: "Resultaten"
@@ -196,7 +196,7 @@ module.exports = nativeDescription: "Nederlands (Nederland)", englishDescription
     player: "Speler"
     player_level: "Niveau" # Like player level 5, not like level: Dungeons of Kithgard
     warrior: "Krijger"
-#    ranger: "Ranger"
+#    ranger: "Ranger" #misschien doler
     wizard: "Tovenaar"
 
   units:
@@ -218,18 +218,18 @@ module.exports = nativeDescription: "Nederlands (Nederland)", englishDescription
   play_level:
     done: "Klaar"
     home: "Home" # Not used any more, will be removed soon.
-#    level: "Level" # Like "Level: Dungeons of Kithgard"
+    level: "Level" # Like "Level: Dungeons of Kithgard"
     skip: "Overslaan"
-#    game_menu: "Game Menu"
+    game_menu: "Spelmenu"
     guide: "Handleiding"
     restart: "Herstarten"
     goals: "Doelen"
     goal: "Doel"
-#    running: "Running..."
+#    running: "Running..." #misschien "draaiende", "is aan het draaien" of "draaien..."
     success: "Gelukt!"
     incomplete: "Incompleet"
     timed_out: "De tijd is op"
-#    failing: "Failing"
+#    failing: "Failing" #is aan het falen, of falende, alletwee niet mooi, misschien meer context nodig.
     action_timeline: "Actie tijdlijn"
     click_to_select: "Klik op een eenheid om deze te selecteren."
 #    control_bar_multiplayer: "Multiplayer"
@@ -257,26 +257,26 @@ module.exports = nativeDescription: "Nederlands (Nederland)", englishDescription
     tome_minion_spells: "Jouw Minions' Spreuken" # Only in old-style levels.
     tome_read_only_spells: "Read-Only Spreuken" # Only in old-style levels.
     tome_other_units: "Andere Eenheden" # Only in old-style levels.
-#    tome_cast_button_run: "Run"
-#    tome_cast_button_running: "Running"
-#    tome_cast_button_ran: "Ran"
-#    tome_submit_button: "Submit"
-#    tome_reload_method: "Reload original code for this method" # Title text for individual method reload button.
-#    tome_select_method: "Select a Method"
-#    tome_see_all_methods: "See all methods you can edit" # Title text for method list selector (shown when there are multiple programmable methdos).
+    tome_cast_button_run: "Uitvoeren"
+#    tome_cast_button_running: "Running" #aan het draaien
+    tome_cast_button_ran: "Uitgevoerd"
+    tome_submit_button: "Indienen" #alternatieven: Toevoegen, verzenden/versturen/insturen misschien zelfs afronden
+    tome_reload_method: "Oorspronkelijke code voor deze methode herladen" # Title text for individual method reload button.
+    tome_select_method: "Kies een methode"
+    tome_see_all_methods: "Bekijk alle methoden die je kan aanpassen" # Title text for method list selector (shown when there are multiple programmable methods).
     tome_select_a_thang: "Selecteer Iemand voor "
     tome_available_spells: "Beschikbare spreuken"
     tome_your_skills: "Jouw Vaardigheden"
-#    tome_help: "Help"
-#    tome_current_method: "Current Method"
+    tome_help: "Help"
+    tome_current_method: "Huidige Methode"
     hud_continue_short: "Doorgaan"
     code_saved: "Code Opgeslagen"
     skip_tutorial: "Overslaan (esc)"
 #    keyboard_shortcuts: "Key Shortcuts"
     loading_ready: "Klaar!"
-#    loading_start: "Start Level"
+    loading_start: "Start Level"
     problem_alert_title: "Verbeter je Code"
-#    problem_alert_help: "Help"
+    problem_alert_help: "Help"
     time_current: "Nu:"
     time_total: "Maximum:"
     time_goto: "Ga naar:"
@@ -308,7 +308,7 @@ module.exports = nativeDescription: "Nederlands (Nederland)", englishDescription
     tip_impossible: "Het lijkt altijd onmogelijk tot het gedaan wordt. - Nelson Mandela"
     tip_talk_is_cheap: "Je kunt het goed uitleggen, maar toon me de code. - Linus Torvalds"
     tip_first_language: "Het ergste dat je kan leren is je eerste programmeertaal. - Alan Kay"
-#    tip_hardware_problem: "Q: How many programmers does it take to change a light bulb?  A: None, it's a hardware problem."
+    tip_hardware_problem: "Q: Hoeveel programmeurs heb je nodig om een lampje te vervangen?  A: Nul, het is een a hardware probleem."
     tip_hofstadters_law: "De Wet van Hofstadter: Het duurt altijd langer dan je verwacht, zelfs wanneer je rekening houdt met de Wet van Hofstadter."
 #    tip_premature_optimization: "Premature optimization is the root of all evil. - Donald Knuth"
 #    tip_brute_force: "When in doubt, use brute force. - Ken Thompson"
@@ -328,11 +328,11 @@ module.exports = nativeDescription: "Nederlands (Nederland)", englishDescription
     save_load_tab: "Opslaan/Laden"
     options_tab: "Opties"
     guide_tab: "Handleiding"
-#    guide_video_tutorial: "Video Tutorial"
-#    guide_tips: "Tips"
+    guide_video_tutorial: "Video Tutorial"
+    guide_tips: "Tips"
     multiplayer_tab: "Multiplayer"
     auth_tab: "Inschrijven"
-#    inventory_caption: "Equip your hero"
+    inventory_caption: "Kies de uitrusting van je held"
     choose_hero_caption: "Kies held, taal"
 #    save_load_caption: "... and view history"
     options_caption: "Instellingen"
@@ -341,17 +341,17 @@ module.exports = nativeDescription: "Nederlands (Nederland)", englishDescription
     auth_caption: "Bewaar je voortgang."
 
   inventory:
-#    choose_inventory: "Equip Items"
-#    equipped_item: "Equipped"
+    choose_inventory: "Kies Uitrusting"
+    equipped_item: "Gekozen"
     required_purchase_title: "Verplicht"
     available_item: "Beschikbaar"
-#    restricted_title: "Restricted"
-#    should_equip: "(double-click to equip)"
-#    equipped: "(equipped)"
-#    locked: "(locked)"
-#    restricted: "(restricted in this level)"
-#    equip: "Equip"
-#    unequip: "Unequip"
+    restricted_title: "Onbeschikbaar" #letterlijker: beperkt
+    should_equip: "(double-click om te kiezen)"
+    equipped: "(gekozen)"
+    locked: "(versleuteld)"
+    restricted: "(onbeschikbaar in dit level)"
+    equip: "Kies"
+    unequip: "Verwijder"
 
   buy_gems:
     few_gems: "Een paar edelstenen"
@@ -359,29 +359,29 @@ module.exports = nativeDescription: "Nederlands (Nederland)", englishDescription
     chest_gems: "Schatkist met edelstenen"
     purchasing: "Aan het kopen..."
     declined: "Je kaart is geweigerd"
-#    retrying: "Server error, retrying."
+    retrying: "Server fout, opnieuw aan het proberen."
     prompt_title: "Niet genoeg edelstenen"
-#    prompt_body: "Do you want to get more?"
+    prompt_body: "Wil je meer krijgen?"
     prompt_button: "Naar de winkel"
 #    recovered: "Previous gems purchase recovered. Please refresh the page."
 
   subscribe:
-#    subscribe_title: "Subscribe"
-#    unsubscribe: "Unsubscribe"
-#    confirm_unsubscribe: "Confirm Unsubscribe"
-#    never_mind: "Never Mind, I Still Love You"
-#    thank_you_months_prefix: "Thank you for supporting us these last"
-#    thank_you_months_suffix: "months."
-#    thank_you: "Thank you for supporting CodeCombat."
-#    sorry_to_see_you_go: "Sorry to see you go! Please let us know what we could have done better."
-#    unsubscribe_feedback_placeholder: "O, what have we done?"
-#    levels: "Get more practice with bonus levels!"
-#    heroes: "More powerful heroes!"
+    subscribe_title: "Abonneren"
+    unsubscribe: "Abonnement pzeggen"
+    confirm_unsubscribe: "Opzegging Bevestigen"
+    never_mind: "Laat Maar, Ik Hou Nog Steeds Van Je"
+    thank_you_months_prefix: "Bedankt voor je steun in de laatste"
+    thank_you_months_suffix: "maanden."
+    thank_you: "Bedankt dat je CodeCombat steunt."
+    sorry_to_see_you_go: "Jammer dat je weggaat! Laat ons alsjeblieft weten wat we beter hadden kunnen doen."
+    unsubscribe_feedback_placeholder: "O, wat hebben we gedaan?"
+    levels: "Krijg meer ervaring door bonus levels te spelen!"
+    heroes: "Sterkere helden!"
     gems: "3500 extra edelstenen elke maand!"
     items: "Meer dan 250 bonus items!"
     parents: "Voor ouders"
-#    parents_title: "Your child will learn to code."
-#    parents_blurb1: "With CodeCombat, your child learns by writing real code. They start by learning simple commands, and progress to more advanced topics."
+    parents_title: "Uw kind leert programmeren."
+    parents_blurb1: "Met CodeCombat leert uw kind door echte code te schrijven. Ze beginnen met simpele instructies en naarmate ze verder komen, komen er moeilijkere onderwerpen aan bod."
 #    parents_blurb2: "For $9.99 USD/mo, they get new challenges every week and personal email support from professional programmers."
 #    parents_blurb3: "No Risk: 100% money back guarantee, easy 1-click unsubscribe."
 #    subscribe_button: "Subscribe Now"