Games like Insurgency: Sandstorm
Games like Insurgency: Sandstorm include Counter-Strike 2, Call of Duty®, Arma 3, Insurgency, and Squad. We matched them by the tags players give Insurgency: Sandstorm on Steam (FPS, Realistic, Shooter, Military, and Tactical): closest matches first, and among equally close ones the better-known games.

Counter-Strike 2
Shared: FPS · Shooter · Multiplayer

Call of Duty®
Shared: FPS · Shooter · Multiplayer

Arma 3
Shared: Military · Shooter · Realistic

Insurgency
Shared: FPS · Realistic · Shooter

Squad
Shared: Realistic · FPS · Military

Tom Clancy's Rainbow Six Siege
Shared: FPS · Shooter · Multiplayer

Ready or Not
Shared: Realistic · FPS · Tactical

Hell Let Loose
Shared: Realistic · Shooter · FPS

Battlefield™ 6
Shared: FPS · Military · Multiplayer

Bodycam
Shared: FPS · Realistic · Shooter

Arma Reforger
Shared: Military · Shooter · Realistic

GROUND BRANCH
Shared: Realistic · FPS · Tactical

PUBG: BATTLEGROUNDS
Shared: Shooter · FPS · Multiplayer

Zero Hour
Shared: FPS · Shooter · Realistic

WARDOGS
Shared: FPS · Military · Multiplayer

Battlefield™ 2042
Shared: FPS · Shooter · Military

Battlefield 4™
Shared: FPS · Shooter · Multiplayer

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

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

Gray Zone Warfare
Shared: FPS · Realistic · Tactical

Call of Duty®: Modern Warfare®
Shared: FPS · Shooter · Military

BattleBit Remastered
Shared: FPS · Shooter · Military

Day of Infamy
Shared: FPS · Realistic · Shooter

Left 4 Dead 2
Shared: FPS · Shooter · Multiplayer