I've uploaded the source for the following doors to Github: Backgammon, bbs golf, bbs drag race, xeno-quest, bbs golf and poker. [https://github.com/xbit44/cattyware]. It's old webpage that includes screenshots can be found here: [https://x-bit.org/info/catty/cattyware.html].

https://github.com/xbit44/cattyware