Games like Mushroom Wars 2
Games like Mushroom Wars 2 include Age of Empires II (Retired), Company of Heroes 2, Warhammer 40,000: Dawn of War III, Men of War: Assault Squad 2, and Total War: WARHAMMER III. We matched them by the tags players give Mushroom Wars 2 on Steam (Strategy, RTS, Multiplayer, Action, and Indie): closest matches first, and among equally close ones the better-known games.

Age of Empires II (Retired)
Shared: Strategy · RTS · Multiplayer

Company of Heroes 2
Shared: Strategy · RTS · Multiplayer

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

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

Total War: WARHAMMER III
Shared: Strategy · RTS · Action

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

Plague Inc: Evolved
Shared: Strategy · Indie · Multiplayer

Call to Arms
Shared: Strategy · RTS · Action

Mushroom Wars
Shared: Strategy · RTS · Action

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

Natural Selection 2
Shared: Strategy · Multiplayer · Action

Door Kickers
Shared: Strategy · Tactical · Action

Infested Planet
Shared: Strategy · RTS · Action

Bloons TD 6
Shared: Strategy · Multiplayer · Tower Defense

Age of Mythology: Extended Edition
Shared: Strategy · RTS · Multiplayer

Kingdom Rush - Tower Defense
Shared: Strategy · Tower Defense · Tactical

Company of Heroes
Shared: Strategy · RTS · Multiplayer

STAR WARS™ Galactic Battlegrounds Saga
Shared: Strategy · RTS · Multiplayer

Command & Conquer Red Alert™ 2 and Yuri’s Revenge™
Shared: Strategy · RTS · Action

Tooth and Tail
Shared: Strategy · RTS · Multiplayer

GemCraft - Chasing Shadows
Shared: Strategy · Tower Defense · Indie

ShellShock Live
Shared: Strategy · Multiplayer · Action

Bloons TD 5
Shared: Strategy · Tower Defense · Action

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