Pretty neat idea for a game, though the game seems to lag on new waves, incognito is pretty useless, the X to quit button doesn't work and same for the bonus, It's pretty good.
4/5
Best of luck, cheers!
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Not sure why spawning enemies lags, I (programmer) tried to optimize it but apparently it didn't do enough.
Incognito was originally supposed to dash (and maybe do light damage), and the pace of the game was supposed to be faster so you'd need to move faster, and I'm pretty sure I-frames don't work correctly, but oh well, nothing I can do now.
The bonus does actually work, you just need to follow the arrow, you'll see what I mean ;)