Games like Aries
Games like Aries include Hearts of Iron IV, Stellaris, STAR WARS™ Empire at War - Gold Pack, Totally Accurate Battle Simulator, and Dummynation. We matched them by the tags players give Aries on Steam (Strategy, Simulation, Indie, RTS, and Grand Strategy): closest matches first, and among equally close ones the better-known games.

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

Stellaris
Shared: Strategy · Grand Strategy · Simulation

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

Totally Accurate Battle Simulator
Shared: Simulation · Strategy · War

Dummynation
Shared: Simulation · Strategy · Grand Strategy

Total War: THREE KINGDOMS
Shared: Strategy · Grand Strategy · RTS

Steel Division 2
Shared: Strategy · RTS · Simulation

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

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

Distant Worlds 2
Shared: Strategy · Simulation · Grand Strategy

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

FTL: Faster Than Light
Shared: Strategy · Indie · Space

Total War: WARHAMMER II
Shared: Strategy · RTS · Grand Strategy

Crusader Kings III
Shared: Strategy · Simulation · Grand Strategy

Sid Meier's Civilization VII
Shared: Strategy · Grand Strategy · Simulation

Europa Universalis V
Shared: Strategy · Simulation · Grand Strategy

Dune: Spice Wars
Shared: Strategy · RTS · Singleplayer

Europa Universalis IV
Shared: Strategy · Simulation · Grand Strategy

DEFCON
Shared: Strategy · Simulation · Indie

Victoria II
Shared: Strategy · Grand Strategy · Simulation

Terra Invicta
Shared: Strategy · Simulation · Grand Strategy

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

Total War: NAPOLEON – Definitive Edition
Shared: Strategy · Grand Strategy · RTS

Men of War: Assault Squad 2
Shared: Strategy · Simulation · RTS