Initial, basically working PlayGameDevLevelView

app/core/Router.coffee

@@ -132,6 +132,7 @@ module.exports = class CocoRouter extends Backbone.Router
     'play/ladder/:levelID': go('ladder/LadderView')
     'play/ladder': go('ladder/MainLadderView')
     'play/level/:levelID': go('play/level/PlayLevelView')
+    'play/game-dev-level/:levelID/:sessionID': go('play/level/PlayGameDevLevelView')
     'play/spectate/:levelID': go('play/SpectateView')
     'play/:map': go('play/CampaignView')
 
@@ -192,7 +193,7 @@ module.exports = class CocoRouter extends Backbone.Router
       @listenToOnce application.moduleLoader, 'load-complete', ->
         @routeDirectly(path, args, options)
       return
-    return @openView @notFoundView() if not ViewClass
+    return go('NotFoundView') if not ViewClass
     view = new ViewClass(options, args...)  # options, then any path fragment args
     view.render()
     @openView(view)

app/templates/play/level/play-game-dev-level-view.jade

@@ -0,0 +1,3 @@
+#canvas-wrapper
+  canvas(width=924, height=589)#webgl-surface
+  canvas(width=924, height=589)#normal-surface

app/views/play/level/PlayGameDevLevelView.coffee

@@ -0,0 +1,59 @@
+RootView = require 'views/core/RootView'
+
+GameUIState = require 'models/GameUIState'
+God = require 'lib/God'
+LevelLoader = require 'lib/LevelLoader'
+GoalManager = require 'lib/world/GoalManager'
+Surface = require 'lib/surface/Surface'
+ThangType = require 'models/ThangType'
+
+module.exports = class PlayGameDevLevelView extends RootView
+  id: 'play-game-dev-level-view'
+  template: require 'templates/play/level/play-game-dev-level-view'
+
+  subscriptions:
+    'level:started': 'onLevelStarted'
+  
+  initialize: (@options, @levelID, @sessionID) ->
+    @gameUIState = new GameUIState()
+    @god = new God({ @gameUIState })
+    @levelLoader = new LevelLoader({ @supermodel, @levelID, @sessionID, observing: true })
+    @listenToOnce @levelLoader, 'world-necessities-loaded', @onWorldNecessitiesLoaded
+    @listenTo @levelLoader, 'world-necessity-load-failed', @onWorldNecessityLoadFailed
+
+  onWorldNecessitiesLoaded: ->
+    { @level, @session, @world, @classMap } = @levelLoader
+    levelObject = @level.serialize(@supermodel, @session)
+    @god.setLevel(levelObject)
+    @god.setWorldClassMap(@classMap)
+    @goalManager = new GoalManager(@world, @level.get('goals'), @team)
+    @god.setGoalManager(@goalManager)
+
+  onWorldNecessityLoadFailed: ->
+    # TODO: handle these and other failures with Promises
+
+  onLoaded: ->
+    _.defer => @onLevelLoaderLoaded()
+
+  onLevelLoaderLoaded: ->
+    return unless @levelLoader.progress() is 1  # double check, since closing the guide may trigger this early
+    @levelLoader.destroy()
+    @levelLoader = null
+    @initSurface()
+
+  initSurface: ->
+    webGLSurface = @$('canvas#webgl-surface')
+    normalSurface = @$('canvas#normal-surface')
+    @surface = new Surface(@world, normalSurface, webGLSurface, {
+      thangTypes: @supermodel.getModels(ThangType)
+      levelType: @level.get('type', true)
+      @gameUIState
+    })
+    worldBounds = @world.getBounds()
+    bounds = [{x: worldBounds.left, y: worldBounds.top}, {x: worldBounds.right, y: worldBounds.bottom}]
+    @surface.camera.setBounds(bounds)
+    @surface.camera.zoomTo({x: 0, y: 0}, 0.1, 0)
+    @surface.setWorld(@world)
+
+  onLevelStarted: ->
+    console.log 'level started'