Games like Outer Space: War Gears
Games like Outer Space: War Gears include Aimlabs, PUBG: BATTLEGROUNDS, Tomb Raider Game of the Year, Grand Theft Auto V Legacy, and Far Cry® 6. We matched them by the tags players give Outer Space: War Gears on Steam (Adventure, Shooter, Action, 6DOF, and Space Sim): closest matches first, and among equally close ones the better-known games.

Aimlabs
Shared: Shooter · Action · Simulation

PUBG: BATTLEGROUNDS
Shared: Shooter · Action · FPS

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

Grand Theft Auto V Legacy
Shared: Action · Shooter · Adventure

Far Cry® 6
Shared: Shooter · Adventure · Action

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

BioShock Infinite
Shared: Shooter · Action · Adventure

Escape From Duckov
Shared: Adventure · Action · Shooter

Fallout 4
Shared: Adventure · Shooter · Exploration

Far Cry® 5
Shared: Shooter · Action-Adventure · FPS

Just Cause™ 3
Shared: Action · Shooter · Adventure

Counter-Strike 2
Shared: Shooter · Action · FPS

Half-Life 2
Shared: Action · Shooter · Adventure

KovaaK's
Shared: Shooter · Action · Simulation

STAR WARS™ Battlefront™ II
Shared: Shooter · Action · Third-Person Shooter

UNCHARTED™: Legacy of Thieves Collection
Shared: Adventure · Action · Action-Adventure

Far Cry 3
Shared: Adventure · Action · Shooter

Atomic Heart
Shared: Adventure · Action · FPS

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

Arma 3
Shared: Action · Shooter · Simulation

Just Cause 2
Shared: Action · Adventure · Shooter

How to Fish
Shared: Shooter · Adventure · Action

Far Cry® 4
Shared: Action · Adventure · Shooter

BONELAB
Shared: Shooter · Action · FPS