•Guide
Alliance Research
Browse the collective alliance research directory for Interstellar Empires. Review shared upgrade paths, treasury expenditure loops, and group passive buffs.
Alliance Research provides powerful passive bonuses to all members. It requires resources donated by members and is initiated by Alliance Leadership.
Expansion & Trade
Increases the maximum capacity and reach of your alliance.
- Increase the maximum number of alliance members.
- Increase the number of Trading Stations your alliance can control.
- Unlock wider tax rate brackets for controlled stations.
Economic Boosts
Provides passive resource gathering and production enhancements.
- Increase Food, Steel, and Energy production.
- Speed up Astromite and Quantarite mining rates.
