Games like American Conquest
Games like American Conquest include Age of Empires II (Retired), Age of Empires: Definitive Edition, Age of Mythology: Extended Edition, Rise of Nations: Extended Edition, and Company of Heroes 2. We matched them by the tags players give American Conquest on Steam (Strategy, RTS, Historical, Singleplayer, and Multiplayer): closest matches first, and among equally close ones the better-known games.

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

Age of Empires: Definitive Edition
Shared: Strategy · RTS · Singleplayer

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

Rise of Nations: Extended Edition
Shared: Strategy · RTS · Historical

Company of Heroes 2
Shared: Strategy · RTS · Multiplayer

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

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

Command & Conquer™ Remastered Collection
Shared: Strategy · RTS · Multiplayer

Age of Empires III: Definitive Edition
Shared: Strategy · RTS · Multiplayer

Hearts of Iron IV
Shared: Strategy · Historical · Multiplayer

Total War: MEDIEVAL II – Definitive Edition
Shared: Strategy · Historical · RTS

Company of Heroes 3
Shared: Strategy · RTS · Singleplayer

Call to Arms - Gates of Hell: Ostfront
Shared: Strategy · Historical · RTS

Cossacks 3
Shared: Strategy · RTS · Historical

Total War: ROME II - Emperor Edition
Shared: Strategy · Historical · RTS

Cossacks: Back to War
Shared: Strategy · RTS · Historical

Company of Heroes
Shared: Strategy · RTS · Singleplayer

Total War: ATTILA
Shared: Strategy · Historical · RTS

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

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

Sid Meier's Civilization® V
Shared: Strategy · Historical · Multiplayer

Total War: EMPIRE – Definitive Edition
Shared: Strategy · Historical · RTS

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

A Total War Saga: THRONES OF BRITANNIA
Shared: Strategy · RTS · Historical