Games like Ironguard
Games like Ironguard include Titanfall® 2, DOOM, SUPERHOT, KovaaK's, and DOOM Eternal. We matched them by the tags players give Ironguard on Steam (Action, Indie, FPS, Shooter, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Titanfall® 2
Shared: FPS · Shooter · Action

DOOM
Shared: Action · FPS · Shooter

SUPERHOT
Shared: Action · FPS · Indie

KovaaK's
Shared: Action · Shooter · FPS

DOOM Eternal
Shared: Action · FPS · Shooter

Call of Duty®
Shared: FPS · Action · Shooter

Call of Duty®: Black Ops III
Shared: FPS · Action · Shooter

Black Mesa
Shared: Action · FPS · Singleplayer

BioShock Infinite
Shared: Action · Shooter · FPS

Devil Daggers
Shared: FPS · Indie · Action

Battlefield™ 2042
Shared: FPS · Shooter · Action

Bright Memory: Infinite
Shared: Action · FPS · Indie

Half-Life 2
Shared: Action · FPS · Singleplayer

Post Void
Shared: FPS · Shooter · Fast-Paced

Trepang2
Shared: Shooter · FPS · Singleplayer

MULLET MADJACK
Shared: FPS · Action · Arcade

Ready or Not
Shared: FPS · Shooter · Singleplayer

ULTRAKILL
Shared: FPS · Fast-Paced · Singleplayer

Halo Infinite
Shared: FPS · Action · Shooter

Gunfire Reborn
Shared: FPS · Indie · Action

Ravenfield
Shared: FPS · Shooter · Singleplayer

GTTOD
Shared: Action · FPS · Shooter

Swarmlake
Shared: Action · FPS · Shooter

Counter-Strike: Source
Shared: Action · FPS · Shooter