Perfect game. After I got to ~50 waves personally, I got WILD game brakes on my potato computer. Even at the lowest graphics settings. It looks like I won't get the third achievement :c
Everyone complains in the comments about micro-timing and in-game, but they haven't seen REAL micro-timings in games. But, you are right about the fact that you will lose the first attempt if you do not know the level in advance.
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