2.5d 3d abstract alien animal arrow baby barbed wire bazooka black and white captain sucker castle cd cover cheap child children circle color complex copy cube dark dots dropshadow drug esger explosion fire fly game gay gradient gray grayscale insect interlace intestines isometric legend line lineart lines man maze metallica mines monochrome moop nibble nibbles number ode opacity optical illusion pac-man pastel color pattern perpetuum mobile piiix tricolor pill politically incorrect racket rainbow red retro riddle rocket semi-isometric shapes simple spider spoof squash star sun symmetric text unfinished worms