space changes color. 4 makes 3d effect on. 5 makes 3d effects off. J can be only used when 3d effect is on, this will flip the 3d effect over. Press J again and it will flip it back into place. M makes people fall down. right arrow makes pen size bigger while left makes it smaller. P pauses and unpauses. Up arrow can be only used when 3d effect is on, down arrow can also only be used when 3d effect is on. Experiment to find out what up and down arrow will do. K erases all of your work. 1 resets everything including erasing your work. D makes it darker while A makes it lighter. S makes it more ghost like and W makes it more not ghost like. 3 makes people that are falling down have a trail of color. 2 makes people that are falling down not have a trail of color. Right and left arrow can change the size of the pen. 6 makes it move but pen up Experiment to find all the other things you can do.
If you want something with a lot of colors. Press M while pressing space. Make pen size bigger by right arrow.
