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 haven't seen this problem mentioned by others, but my sounds for techs don't install at all. Assets/Sounds/Tech has no files in it, other than that I have everything else. I got it off direct2drive and I've tried reinstalling, doesn't help. Any idea why this would happen... or how to fix it?