* Win condition
* Battery and light power consts
* Mould resistances
-* Mould power increases to prevent farming
+* Mould power increases to prevent farming (partially implemented, needs balancing)
* Save game
* More sounds
* Five levels
* Sunrise transition screen
* 'End the Day' button
+* Seralize light on / off and colour selection state across day / night transition
+* 'Dawn breaks' transition screen
Done
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