Games like Ashes of the Singularity II
Games like Ashes of the Singularity II include Planetary Annihilation: TITANS, Age of Empires III: Definitive Edition, Halo Wars: Definitive Edition, Tempest Rising, and Company of Heroes 2. We matched them by the tags players give Ashes of the Singularity II on Steam (Strategy, RTS, Sandbox, Base Building, and Multiplayer): closest matches first, and among equally close ones the better-known games.

Planetary Annihilation: TITANS
Shared: Strategy · RTS · Base Building

Age of Empires III: Definitive Edition
Shared: Strategy · RTS · Base Building

Halo Wars: Definitive Edition
Shared: Strategy · RTS · Base Building

Tempest Rising
Shared: Strategy · RTS · Base Building

Company of Heroes 2
Shared: Strategy · RTS · Multiplayer

Command & Conquer™ Remastered Collection
Shared: Strategy · RTS · Base Building

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

Broken Arrow
Shared: Strategy · RTS · Real Time Tactics

Cossacks 3
Shared: Strategy · RTS · Multiplayer

Warhammer 40,000: Dawn of War - Definitive Edition
Shared: Strategy · RTS · Multiplayer

Warhammer 40,000: Dawn of War III
Shared: Strategy · RTS · Multiplayer

Iron Harvest
Shared: Strategy · RTS · Base Building

Hearts of Iron IV
Shared: Strategy · Multiplayer · RTS

Supreme Commander 2
Shared: Strategy · RTS · Base Building

Company of Heroes 3
Shared: Strategy · RTS · Singleplayer

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

Mount & Blade II: Bannerlord
Shared: Strategy · Sandbox · Multiplayer

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

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

Warhammer 40,000: Dawn of War - Anniversary Edition (Classic)
Shared: Strategy · RTS · Base Building

RimWorld
Shared: Strategy · Base Building · Sandbox

Call to Arms - Gates of Hell: Ostfront
Shared: Strategy · RTS · Real Time Tactics

Totally Accurate Battle Simulator
Shared: Sandbox · Strategy · Singleplayer

Call to Arms
Shared: Strategy · RTS · Multiplayer