Games like Armoured Alliance
Games like Armoured Alliance include Mount & Blade II: Bannerlord, The Escapists, Buckshot Roulette, Plague Inc: Evolved, and GemCraft - Chasing Shadows. We matched them by the tags players give Armoured Alliance on Steam (Action, Strategy, Top-Down, Multiplayer, and Singleplayer): closest matches first, and among equally close ones the better-known games.

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

The Escapists
Shared: Strategy · Singleplayer · Action

Buckshot Roulette
Shared: Multiplayer · Strategy · Singleplayer

Plague Inc: Evolved
Shared: Strategy · Singleplayer · Multiplayer

GemCraft - Chasing Shadows
Shared: Strategy · Action · Singleplayer

Bloons TD 6
Shared: Strategy · Multiplayer · Singleplayer

Door Kickers
Shared: Strategy · Top-Down · Action

Hotline Miami
Shared: Action · Top-Down · Indie

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

Grand Theft Auto V Legacy
Shared: Action · Multiplayer · Singleplayer

Monster Hunter: World
Shared: Action · Multiplayer · Difficult

The Binding of Isaac
Shared: Indie · Action · Difficult

ShellShock Live
Shared: Strategy · Multiplayer · Action

Ultimate Custom Night
Shared: Singleplayer · Strategy · Difficult

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

Ravenswatch
Shared: Action · Multiplayer · Difficult

SMITE®
Shared: Action · Multiplayer · Strategy

Mount & Blade: Warband
Shared: Strategy · Action · Multiplayer

Last Epoch
Shared: Action · Multiplayer · Top-Down

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

Orcs Must Die! 2
Shared: Action · Strategy · Indie

Call of Duty®
Shared: Multiplayer · Action · Singleplayer

Hotline Miami 2: Wrong Number
Shared: Action · Top-Down · Difficult

Company of Heroes 3
Shared: Strategy · Singleplayer · Multiplayer