I decided to see how much speed I could squeeze out of a character based raycaster with only 32 columns. The result can be seen here:   https://youtu.be/Y_WR974T_Ak   You can also run it yourself using one of the attached files.   The frame rate is 15-20 FPS, so this is quite within the limits of a playable game. The question is whether it's too ugly?   The algorithm is a simple raycaster where reality is sacrificed for speed.   The world is divi