Similar to the game he canned, check out Red Power 2 for MC, it's actually got an in-game computer you can program it in Forth, save programs on in-game floppie

Similar to the game he canned, check out Red Power 2 for MC, it's actually got an in-game computer you can program it in Forth, save programs on in-game floppies, and build a giant IO bus to control various things in the game world.