use the arrow keys to move.red walls block you but not the crabby monsters. avoid the crabs and touching your own bombs (press space to set a bomb). crab monsters explode when hit by the bomb but reappear 3-5 seconds later. press v to toggle volume.please see inside, click on backdrops, and read the comment
HUGE thanks to @alsweigart for tutorial videos. this took a long time, so a star and heart would be appreciated.