OK, time to replace that Credits screen. I don't like it..

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First step, move "Rush Hour" to its own thing, and probably build a level generator so that it can come up with some more solvable puzzle types.
Maybe add an Easy/Normal/Hard selection, with suitable levels for each.

Next step, replace the credits with its own proper thing. I'm thinking scrolling credits will look better, with some kind of effect thing going on in the background.
Not sure what, but .. It's just really bland being as static as it currently is.

Definitely needs "something"..