So this is a system for list based parameters for the time travel game. You have parameters in the level that determine wether certain parts are shown or not. The programming is kinda confusing, and currently you have a character to walk around the level, hit buttons, and die. I hope that this will be useful!
So the costume names go like this: (For the following x,y,z, and w represent random numbers) xl means that this is the base for level x, it will always show up when you load that level. xyzn means that when level x is loaded, it appears if parameter y has value z xybzw means that it appears as a button for level x. When stepped on, if param y equals z, it changes param y to w