<b_jonas> slashlearn farbfeld//zzo38\'s Farbfeld utilities is a package of command-line programs (with rather strange command-line syntax) for manipulating images in a specific raw format called farbfeld. It\'s somewhat underdocumented. http://zzo38computer.org/fossil/farbfeld.ui/home

TG is short for Turing-Gödel, the highest possible level of difficulty for a multiplayer game. At this level, it's undecidable whether you can manage to halt before losing or not.