In gameplay Mode left and right arrow keys to move up arrow keys to jump in editor mode up and down to zoom in and out click and drag background to scroll click and drag assets to move them click g to turn on and off grid snap press 1 2 3 and 4 to add assets 9 to add ennemies press x to delete assets press w and r to rotate assets press v to change asset variations press d and drag a object to duplacate press b to put asset on back layer press f to put asset on front layer if grid snap is off on moving layer or rotate it does it indevisualy