Space - Stamp P - Erase all Left arrow - Change costume to previous Right arrow - Change costume to next U - Remove pixels from cat Y - Add pixels to cat Mouse down - Remove only 25 pixels for a moment I - Pen down O - Pen up Up arrow and down arrow - Change pen color F and G - Change pen size (F makes bigger, but G smaller) Q - Show W - Hide E and R - Change pen saturation T - Change background A and S - Change pen brightness D and J - Change pen transparensy
