Games like Tetrahedron
Games like Tetrahedron include Warhammer 40,000: Space Marine 2, HELLDIVERS™ 2, Just Cause™ 3, Tomb Raider Game of the Year, and Grand Theft Auto V Legacy. We matched them by the tags players give Tetrahedron on Steam (Third-Person Shooter, Action, PvE, Physics, and Nature): closest matches first, and among equally close ones the better-known games.

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

HELLDIVERS™ 2
Shared: Third-Person Shooter · PvE · Action

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

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

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

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

Just Cause 4 Reloaded
Shared: Action · Third-Person Shooter · Adventure

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

Max Payne 3
Shared: Third-Person Shooter · Action · Shooter

Warframe
Shared: Third-Person Shooter · Action · PvE

ARC Raiders
Shared: PvE · Third-Person Shooter · Shooter

Red Dead Redemption 2
Shared: Action · Adventure · Third-Person Shooter

REMNANT II®
Shared: Action · Third-Person Shooter · Adventure

Rise of the Tomb Raider™
Shared: Action · Adventure · Third Person

Watch_Dogs™
Shared: Action · Third-Person Shooter · Adventure

Warhammer 40,000: Space Marine - Anniversary Edition
Shared: Third-Person Shooter · Action · Third Person

Resident Evil 4 (2005)
Shared: Action · Third-Person Shooter · Adventure

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

Mafia II (Classic)
Shared: Action · Third-Person Shooter · Shooter

Gears 5
Shared: Action · Third-Person Shooter · Adventure

Orcs Must Die! 3
Shared: Third-Person Shooter · PvE · Action

Tomb Raider: Legend
Shared: Action · Adventure · Platformer

EARTH DEFENSE FORCE 6
Shared: Third-Person Shooter · Action · PvE

Hitman: Absolution
Shared: Action · Third-Person Shooter · Third Person