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 have tried to create a custom senario and can't even figure out how to open the thing. The senario window is always empty. For Multiplayer, I can't even figure out how to edit a map. All I'm looking to do is create custom maps for multiplayer. What am I doing wrong? Thank you.