diff --git a/graphene.lua b/graphene.lua
diff --git a/lib/carbon b/lib/carbon
diff --git a/main.lua b/main.lua
@@ -1,3 +1,12 @@
+-- Initialize Graphene
+local MyGame = require("graphene")
+
+-- Let Graphene know that 'Carbon' is a standalone library
+MyGame:AddGrapheneSubmodule("Carbon")
+
+-- You can now reference Carbon as MyGame.Carbon!
+local Carbon = MyGame.Carbon
+
 require 'controller'
 require 'utils'
 require 'world'

diff --git a/menu/galaxy.lua b/menu/galaxy.lua
@@ -177,8 +177,7 @@ function Galaxy:setDirection(direction)
   if self.orienting then
     self.rotationDir = Point(
       -direction.y * math.pi/2,
-      direction.x * math.pi/2,
-      0
+      direction.x * math.pi/2
     )
   else
     Galaxy.super.setDirection(self, direction)
@@ -187,7 +186,8 @@ end
 
 function Galaxy:update(dt)
   if self.rotationDir.x ~= 0 or self.rotationDir.y ~= 0 then
-    self.camera.orientation = self.camera.orientation:rotate(self.rotationDir * dt)
+    local rot = self.rotationDir * dt
+    self.camera:rotate(rot.x, rot.y)
     self:drawCanvas()
   end
 end

diff --git a/menu/splash.lua b/menu/splash.lua
@@ -17,6 +17,7 @@ function Splash:init(fsm)
     'continue',
     'new',
     'controls',
+    'galaxy',
     'quit',
   }
   self.opts = {