do you want both x and y to move? another way to do it is if BUTTON() AND #DOWN THEN X=X+1:Y=Y+1 (OR -1) Also you cant do x,y-1 or anything like that, they have to be separate like x+1:y+1 but you cant do that, just do x=x+1:y=y+1 (and if in an if do two ='s)