Games like Plasma Protocol
Games like Plasma Protocol include KovaaK's, Battlefield™ 2042, Starship Troopers: Extermination, Half-Life, and BioShock Infinite. We matched them by the tags players give Plasma Protocol on Steam (Action, Arcade, FPS, First-Person, and 1990's): closest matches first, and among equally close ones the better-known games.

KovaaK's
Shared: Action · FPS · First-Person

Battlefield™ 2042
Shared: FPS · Action · First-Person

Starship Troopers: Extermination
Shared: Action · FPS · First-Person

Half-Life
Shared: FPS · 1990's · Action

BioShock Infinite
Shared: Action · FPS · First-Person

Call of Duty®
Shared: FPS · Action · First-Person

Black Mesa
Shared: Action · FPS · First-Person

Titanfall® 2
Shared: FPS · Action · First-Person

Counter-Strike
Shared: Action · FPS · First-Person

Half-Life 2
Shared: Action · FPS · First-Person

Aimlabs
Shared: FPS · Action · First-Person

Call of Duty®: Modern Warfare® 2 (2009)
Shared: Action · FPS · First-Person

Call of Duty® 4: Modern Warfare® (2007)
Shared: Action · FPS · First-Person

SUPERHOT
Shared: Action · FPS · First-Person

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

Half-Life: Opposing Force
Shared: Action · FPS · First-Person

Call of Duty®: Modern Warfare® 3 (2011)
Shared: Action · FPS · First-Person

Warhammer 40,000: Boltgun
Shared: FPS · Action · First-Person

Bright Memory: Infinite
Shared: Action · FPS · First-Person

Battlefield™ V
Shared: FPS · First-Person · Singleplayer

MULLET MADJACK
Shared: FPS · Arcade · Action

DOOM
Shared: Action · FPS · First-Person

Half-Life: Blue Shift
Shared: Action · FPS · First-Person

Call of Duty®: Modern Warfare® III
Shared: Action · FPS · First-Person