In the newly updated one. I’ve added sound more sounds. An invisible power starting at wave 5. Just left click the mouse to activate, it lasts for 5 seconds and allows the evil triangles to pass through you. You can only use it once per wave. Currently 11 waves, wave 11 is pretty hard. Think you can beat it?

2.3 had a small glitch just reuploaded it and it should be fixed. if anyone finds there is a problem or has a suggestion just comment on the game.