Games like Squirrel with a Gun
Games like Squirrel with a Gun include Just Cause™ 3, Saints Row The Third Remastered, Grand Theft Auto V Legacy, Just Cause 2, and Tomb Raider Game of the Year. We matched them by the tags players give Squirrel with a Gun on Steam (Action, Simulation, Third-Person Shooter, Sandbox, and Shooter): closest matches first, and among equally close ones the better-known games.

Just Cause™ 3
Shared: Action · Third-Person Shooter · Shooter

Saints Row The Third Remastered
Shared: Action · Sandbox · Third-Person Shooter

Grand Theft Auto V Legacy
Shared: Action · Shooter · Third-Person Shooter

Just Cause 2
Shared: Action · Sandbox · Third-Person Shooter

Tomb Raider Game of the Year
Shared: Action · Third-Person Shooter · Adventure

Ratchet & Clank: Rift Apart
Shared: Action · Action-Adventure · Third-Person Shooter

Aimlabs
Shared: Simulation · Action · Shooter

Escape From Duckov
Shared: Action · Shooter · Third-Person Shooter

s&box
Shared: Sandbox · Action · Shooter

Sonic Frontiers
Shared: Action · 3D Platformer · Action-Adventure

Totally Accurate Battle Simulator
Shared: Simulation · Sandbox · Action

Pumpkin Jack
Shared: Action · 3D Platformer · Collectathon

Goat Simulator
Shared: Simulation · Sandbox · Action

PUBG: BATTLEGROUNDS
Shared: Shooter · Action · Third-Person Shooter

Grand Theft Auto V Enhanced
Shared: Action · Shooter · Sandbox

Rise of the Tomb Raider™
Shared: Action · Action-Adventure · Adventure

Grand Theft Auto IV: The Complete Edition
Shared: Action · Third-Person Shooter · Sandbox

A Hat in Time
Shared: 3D Platformer · Collectathon · Platformer

Tomb Raider: Underworld
Shared: Action · Platformer · Action-Adventure

Arma 3
Shared: Action · Simulation · Shooter

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

Tomb Raider: Legend
Shared: Action · Platformer · Third-Person Shooter

Saints Row: The Third
Shared: Action · Third-Person Shooter · Sandbox

Hard Bullet
Shared: Action · Sandbox · Simulation