+ Harvests most resources well.
+ High default population growth.
+ No pollution.
- IG shrine is a pretty useless special building (doubles IGP xp bonus (from 50 to 100 exp/h)).
- Only 3 per galaxy.
- You can not chose the dome placement because they are always U.N. colonies.
- Easy to find and pursued by many.
- No U.N. protection. (Not even on PAX games!)

Special Building: Intergalactics' Shrine