space to shoot t to open shop r to close shop balls bounce on the edge red lines are deadly for the balls earn cash to upgrade levels two easter eggs w to show lvls x to hide lvls remix game to save progress press from 1 to 8 to change canon color updates: v 0.6 fixed some bugs and added resistance updgrade v 0.7 added shooting speed upgrade and fixed some bugs v 0.7.5 added the ability to change canon color by pressing any key from 1 to 8 v 0.8 fixed bugs and added cash mulitiplayer upgrade v 1.0 added zombie king boss fight and the game is no longer beta and fixed some bugs v 1.0.1 nerfed cash multiplayer price from 125$ to 250$ v 1.0.2 added rockets to the zombie king boss fight v 1.0.3 passed zombie kings hp from 200 to 1000 v 1.1 added skin shop v 1.1.1 made that if the zombir king has 500 hp or lower then the zombies and rockets spawn more often v 1.1.2 did nothing