If you want to play Scratchnapped then the project you want is: http://beta.scratch.mit.edu/projects/10118230/ Numeric 0 - Toggles between level design & play mode Cursor keys - Move cat U - fly Space + Move mouse - to pan screen. Left Click - Place a block (if not occupied) D - While mouse over a block to delete it T - Toggle between various tile categories S - Switch between the different tiles in that category