The Altera Centauri collection has been brought up to date by Darsnan. It comprises every decent scenario he's been able to find anywhere on the web, going back over 20 years.
25 themes/skins/styles are now available to members. Check the select drop-down at the bottom-left of each page.
Call To Power 2 Cradle 3+ mod in progress: https://apolyton.net/forum/other-games/call-to-power-2/ctp2-creation/9437883-making-cradle-3-fully-compatible-with-the-apolyton-edition
I increased the map size in the const.txt. Now I get on random generated maps many small tiny islands and some big continets. I know that someone already found the sollution for the problem. Maybe it is there somewhere in the CTP1 or CTP2 forum but it is a long search for it.