Games like Project Hacker
Games like Project Hacker include Aliens: Dark Descent, Total War: WARHAMMER III, Ultimate Epic Battle Simulator 2, Warhammer 40,000: Space Marine 2, and Marvel Rivals. We matched them by the tags players give Project Hacker on Steam (Action, Casual, Strategy, Action-Adventure, and RTS): closest matches first, and among equally close ones the better-known games.

Aliens: Dark Descent
Shared: Action · Strategy · RTS

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

Ultimate Epic Battle Simulator 2
Shared: Action · Strategy · RTS

Warhammer 40,000: Space Marine 2
Shared: Action · Third-Person Shooter · Action-Adventure

Marvel Rivals
Shared: Action · Third-Person Shooter · Casual

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

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

Carrier Command 2
Shared: Strategy · RTS · Action-Adventure

Caster
Shared: Action · Casual · Strategy

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

Planetary Annihilation: TITANS
Shared: Strategy · RTS · Real Time Tactics

Iron Marines
Shared: Strategy · Action · RTS

Tooth and Tail
Shared: Strategy · RTS · Action

Marvel's Guardians of the Galaxy
Shared: Action · Action-Adventure · Third-Person Shooter

Brutal Legend
Shared: Action · RTS · Strategy

PRAGMATA
Shared: Action · Third-Person Shooter · Action-Adventure

Monument Valley 2
Shared: Casual · Strategy · Action

Bot Wars
Shared: Action · Casual · Strategy

ShellShock Live
Shared: Strategy · Action · Casual

Shadow Tactics: Blades of the Shogun
Shared: Strategy · Real Time Tactics · Action

Resident Evil Requiem
Shared: Action · Third-Person Shooter · Action-Adventure

Creeper World 4
Shared: RTS · Strategy · Real Time Tactics

Commandos: Origins
Shared: Strategy · Action-Adventure · RTS

Terminator: Dark Fate - Defiance
Shared: Strategy · RTS · Real Time Tactics