environmental citybuilder prototype

Cat Flynn ac5a2a2aec remove obsolete script		2022-12-10 03:39:11 +00:00
half-earth	remove obsolete script	2022-12-10 03:39:11 +00:00
.gitignore	add gitignore	2022-12-03 16:26:13 +00:00
gdd.md	update gdd #5	2022-12-10 00:35:49 +00:00