Games like Ascendant Dawn
Games like Ascendant Dawn include Europa Universalis IV, Europa Universalis V, Sid Meier's Civilization VII, Sid Meier’s Civilization® VI, and Victoria 3. We matched them by the tags players give Ascendant Dawn on Steam (Grand Strategy, Simulation, Strategy, 4X, and Historical): closest matches first, and among equally close ones the better-known games.

Europa Universalis IV
Shared: Grand Strategy · Strategy · Simulation

Europa Universalis V
Shared: Grand Strategy · Strategy · Simulation

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

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

Victoria 3
Shared: Simulation · Grand Strategy · Strategy

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

Imperator: Rome
Shared: Grand Strategy · Strategy · Simulation

Crusader Kings III
Shared: Grand Strategy · Strategy · Simulation

Victoria II
Shared: Grand Strategy · Strategy · Historical

Age of History II
Shared: Strategy · Grand Strategy · Historical

Crusader Kings II
Shared: Grand Strategy · Strategy · Simulation

Manor Lords
Shared: Strategy · Simulation · Grand Strategy

Terra Invicta
Shared: Simulation · Grand Strategy · Strategy

Rebel Inc: Escalation
Shared: Simulation · Grand Strategy · Strategy

Stellaris
Shared: Grand Strategy · Strategy · 4X

Workers & Resources: Soviet Republic
Shared: Strategy · Simulation · Grand Strategy

Old World
Shared: Simulation · Strategy · Grand Strategy

HUMANKIND™
Shared: Strategy · 4X · Grand Strategy

Against the Storm
Shared: Simulation · Strategy · Grand Strategy

Empires of the Undergrowth
Shared: Simulation · Strategy · Grand Strategy

Millennia
Shared: Strategy · Grand Strategy · 4X

Age of History 3
Shared: Grand Strategy · Strategy · Wargame

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

ENDLESS Legend™ 2
Shared: Simulation · Grand Strategy · Strategy