The game is neat, but losing out on ranking in a tournament because the game froze on wave 715 is absolutely awful. There's really no way to continue where you left off in the event of a crash? Edit: lowering my rating. I opened my game today to find ALL OF MY PROGRESS WAS WIPED. There's no reason for me to continue playing a game when all the time I put into it can just be erased for no reason. Was a fun time waster, but that's all it did in the end, waste my time.