WASD or arrow keys to move z to use items that are not lasers enter to enter Daved's shop and portal space or left click to shoot hit an enemy or the BOSS to increase the "POWER" walue and hold e to rush or do what text says at mobile rushing into an enemy/boss will make it lose 45 hp normal enemies have 30 hp try to get your score to 2000 to encounter BOSS#1 ,BOSS#1 will have 500 hp if u beat BOSS#1 and after the cutscene,then the enemies get angry and now have 70 hp try to get your score to 10000 to encounter BOSS#2 ,BOSS#2 will have 1000 hp if u defeat BOSS#2 you win, BUT there will be a note that appears at a 7% chance to appear after you click the flag, if you do what the note says,you will encounter BOSS#3, after you defeat him, you will know the truth about him.
mobile will be buggy, so sorry mobile users. @griffpatch for lemenoids i have school sorry