Games like Stellaris: Nemesis
Games like Stellaris: Nemesis include Stellaris, Europa Universalis IV, Crusader Kings II, Sid Meier’s Civilization® VI, and Crusader Kings III. We matched them by the tags players give Stellaris: Nemesis on Steam (Strategy, Simulation, 4X, Grand Strategy, and Replay Value): closest matches first, and among equally close ones the better-known games.

Stellaris
Shared: Strategy · Grand Strategy · 4X

Europa Universalis IV
Shared: Strategy · Grand Strategy · Simulation

Crusader Kings II
Shared: Strategy · Grand Strategy · Simulation

Sid Meier’s Civilization® VI
Shared: Strategy · Grand Strategy · 4X

Crusader Kings III
Shared: Strategy · Simulation · Grand Strategy

Hearts of Iron IV
Shared: Strategy · Grand Strategy · Simulation

Galactic Civilizations IV
Shared: Simulation · Grand Strategy · Strategy

Sins of a Solar Empire®: Rebellion
Shared: Simulation · Strategy · 4X

Terra Invicta
Shared: Strategy · Simulation · 4X

X4: Foundations
Shared: Simulation · Space · 4X

Manor Lords
Shared: Strategy · Simulation · Grand Strategy

Imperator: Rome
Shared: Strategy · Simulation · Grand Strategy

STAR WARS™ Empire at War - Gold Pack
Shared: Strategy · RTS · Space

Distant Worlds: Universe
Shared: Strategy · 4X · Simulation

Cities: Skylines
Shared: Simulation · Strategy · Management

Sid Meier's Civilization®: Beyond Earth™
Shared: Strategy · 4X · Space

Rebel Inc: Escalation
Shared: Strategy · Simulation · 4X

NEBULOUS: Fleet Command
Shared: Strategy · Simulation · Grand Strategy

Knights of Honor II: Sovereign
Shared: Strategy · Simulation · Grand Strategy

Sid Meier's Civilization VII
Shared: Strategy · Grand Strategy · 4X

Anno 2205™
Shared: Strategy · Simulation · 4X

Victoria 3
Shared: Strategy · Simulation · Grand Strategy

Sid Meier's Civilization® V
Shared: Strategy · 4X · Grand Strategy

Total War: WARHAMMER
Shared: Strategy · Simulation · 4X