Games like Riftborne
Games like Riftborne include Stellaris, Europa Universalis IV, Manor Lords, Dune: Spice Wars, and Sid Meier's Civilization VII. We matched them by the tags players give Riftborne on Steam (4X, Grand Strategy, Space, Real Time Tactics, and Management): closest matches first, and among equally close ones the better-known games.
Stellaris
Shared: Space · Grand Strategy · 4X
Europa Universalis IV
Shared: Grand Strategy · 4X · Strategy
Manor Lords
Shared: Grand Strategy · Strategy · Management
Dune: Spice Wars
Shared: Management · 4X · Grand Strategy
Sid Meier's Civilization VII
Shared: Grand Strategy · 4X · Strategy
Terra Invicta
Shared: Grand Strategy · 4X · Strategy
X4: Foundations
Shared: Space · 4X · Space Sim
Sins of a Solar Empire®: Rebellion
Shared: Management · Space · 4X
Rebel Inc: Escalation
Shared: Grand Strategy · 4X · Strategy
Sid Meier’s Civilization® VI
Shared: Grand Strategy · 4X · Strategy
Europa Universalis V
Shared: Grand Strategy · Strategy · 4X
Empires of the Undergrowth
Shared: Grand Strategy · Strategy · Management
Workers & Resources: Soviet Republic
Shared: Grand Strategy · Strategy · Management
Star Trek: Infinite
Shared: 4X · Grand Strategy · Space
Against the Storm
Shared: Grand Strategy · Strategy · Management
Total War: WARHAMMER
Shared: 4X · Grand Strategy · Strategy
Victoria 3
Shared: Grand Strategy · Strategy · Management
Kingdoms and Castles
Shared: Management · 4X · Strategy
Crusader Kings III
Shared: Grand Strategy · Strategy · Management
Dummynation
Shared: Grand Strategy · Strategy · Management
Old World
Shared: 4X · Grand Strategy · Strategy
AI War 2
Shared: 4X · Grand Strategy · Real Time Tactics
Total War: ROME REMASTERED
Shared: Grand Strategy · 4X · Strategy
Galactic Civilizations IV
Shared: Grand Strategy · Space · 4X