Games like Lythium
Games like Lythium include Left 4 Dead 2, Call of Duty®, Call of Duty®: Black Ops III, DOOM, and Trepang2. We matched them by the tags players give Lythium on Steam (FPS, Shooter, Action Roguelike, Action, and First-Person): closest matches first, and among equally close ones the better-known games.

Left 4 Dead 2
Shared: FPS · Shooter · Zombies

Call of Duty®
Shared: FPS · Shooter · Action

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

DOOM
Shared: FPS · Shooter · Action

Trepang2
Shared: Shooter · FPS · Action

DOOM Eternal
Shared: FPS · Action · Shooter

Killing Floor 3
Shared: FPS · Shooter · First-Person

Battlefield™ 2042
Shared: FPS · Shooter · Action

SUPERHOT
Shared: FPS · Action · Bullet Time

BioShock Infinite
Shared: Shooter · FPS · Action

Back 4 Blood
Shared: FPS · Shooter · Zombies

Ready or Not
Shared: FPS · Shooter · First-Person

Black Mesa
Shared: FPS · Action · Shooter

Aimlabs
Shared: FPS · Shooter · Action

Titanfall® 2
Shared: FPS · Shooter · Action

Pavlov
Shared: Shooter · FPS · Action

GoreBox
Shared: FPS · Shooter · First-Person

Half-Life 2
Shared: FPS · Action · Shooter

Wolfenstein II: The New Colossus
Shared: FPS · Action · Shooter

KovaaK's
Shared: Shooter · FPS · Action

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

Call of Duty®: Black Ops 6
Shared: Shooter · FPS · Action

Battlefield™ 1
Shared: FPS · Shooter · Action

Call of Duty®: Modern Warfare® III
Shared: Shooter · FPS · Action