Dragging the crypto moneys around too fast makes the game crash :D other then that it seems like a cute little game.
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Ah, did it throw an error message? (Probably a GameMaker error if one popped up.) I had a nagging suspicion there were still some code precedence-based problems in the drag code that allows for 1-frame windows to bug out the system, but the deadline didn't allow for too much testing. It's probably either in dragging across falling objects or objects that are animating their explosion.