Games like Stellaris: Apocalypse
Games like Stellaris: Apocalypse include Stellaris, Europa Universalis IV, Sid Meier’s Civilization® VI, Sid Meier's Civilization VII, and Distant Worlds 2. We matched them by the tags players give Stellaris: Apocalypse on Steam (Strategy, Simulation, 4X, Space, and Post-apocalyptic): closest matches first, and among equally close ones the better-known games.

Stellaris
Shared: Strategy · Space · 4X

Europa Universalis IV
Shared: Strategy · Simulation · Grand Strategy

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

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

Distant Worlds 2
Shared: Strategy · Simulation · 4X

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

Galactic Civilizations IV
Shared: Simulation · Space · Strategy

X4: Foundations
Shared: Simulation · Space · 4X

Terra Invicta
Shared: Strategy · Simulation · 4X

Crusader Kings III
Shared: Strategy · Simulation · Grand Strategy

ENDLESS Space™ 2
Shared: Strategy · Space · 4X

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

Europa Universalis V
Shared: Strategy · Simulation · Grand Strategy

Old World
Shared: Strategy · Simulation · 4X

Manor Lords
Shared: Strategy · Simulation · Grand Strategy

Heroes of Might and Magic: Olden Era
Shared: Strategy · Simulation · 4X

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

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

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

Master of Orion
Shared: Strategy · 4X · Space

ENDLESS Legend™ 2
Shared: Strategy · Simulation · 4X

Victoria 3
Shared: Strategy · Simulation · Grand Strategy

HUMANKIND™
Shared: Strategy · 4X · Grand Strategy

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