Games like Allied Ambush
Games like Allied Ambush include Foxhole, Hearts of Iron IV, Company of Heroes 2, Age of Empires III: Definitive Edition, and Minimalist Tower Defense. We matched them by the tags players give Allied Ambush on Steam (Strategy, Tower Defense, Wargame, 2D, and Top-Down): closest matches first, and among equally close ones the better-known games.

Foxhole
Shared: Wargame · Military · Strategy

Hearts of Iron IV
Shared: Strategy · Historical · World War II

Company of Heroes 2
Shared: Strategy · World War II · Historical

Age of Empires III: Definitive Edition
Shared: Strategy · Military · Historical

Minimalist Tower Defense
Shared: Strategy · Tower Defense · 2D

Steel Division 2
Shared: Strategy · Military · World War II

Company of Heroes 3
Shared: Strategy · Wargame · World War II

Sir, We Have an Orc Problem
Shared: Tower Defense · War · Military

Three Kingdoms Mushouden
Shared: Strategy · Wargame · 2D

Master of Command
Shared: Strategy · Historical · Military

Plants vs. Zombies GOTY Edition
Shared: Tower Defense · Strategy · 2D

Call to Arms - Gates of Hell: Ostfront
Shared: Strategy · Historical · World War II

Total War: THREE KINGDOMS
Shared: Strategy · Historical · War

Company of Heroes
Shared: Strategy · World War II · War

Starship Troopers: Terran Command
Shared: Strategy · Military · Wargame

WARNO
Shared: Wargame · Strategy · Military

Bloons TD 6
Shared: Strategy · Tower Defense · 2D

Europa Universalis IV
Shared: Strategy · Historical · Wargame

Creeper World 3: Arc Eternal
Shared: Strategy · Tower Defense · Indie

Men of War: Assault Squad 2
Shared: Strategy · War · World War II

Mindustry
Shared: Tower Defense · Strategy · Base Building

Heroes of the Three Kingdoms 7
Shared: Strategy · 2D · Military

Age of History II
Shared: Strategy · Historical · War

Dungeon Warfare
Shared: Strategy · Tower Defense · 2D