Games like CUBE-e 2
Games like CUBE-e 2 include PUBG: BATTLEGROUNDS, STAR WARS™ Battlefront™ II, Grand Theft Auto V Legacy, STAR WARS™ Battlefront II (Classic, 2005), and HELLDIVERS™ 2. We matched them by the tags players give CUBE-e 2 on Steam (Arena Shooter, 2D Platformer, Shoot 'Em Up, Third-Person Shooter, and Space): closest matches first, and among equally close ones the better-known games.

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

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

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

STAR WARS™ Battlefront II (Classic, 2005)
Shared: Third-Person Shooter · Space · Shooter

HELLDIVERS™ 2
Shared: Third-Person Shooter · Shooter · Space

Marvel Rivals
Shared: Third-Person Shooter · PvP · Shooter

Nova Drift
Shared: Shoot 'Em Up · Arena Shooter · Arcade

The Callisto Protocol™
Shared: Third-Person Shooter · Space · Shooter

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

Aimlabs
Shared: Third-Person Shooter · Shooter · Simulation

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

Galaxy on Fire 2™ Full HD
Shared: Third-Person Shooter · Space · Space Sim

Pixel Gun 3D: PC Edition
Shared: PvP · Shooter · Arena Shooter

PRAGMATA
Shared: Third-Person Shooter · Robots · Action

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

Apewar
Shared: Arena Shooter · Shooter · PvP

Dead Space
Shared: Third-Person Shooter · Space · Shooter

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

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

Risk of Rain 2
Shared: Third-Person Shooter · Shooter · PvP

Dead Space™ 2
Shared: Third-Person Shooter · Shooter · Space

UpGun
Shared: Arena Shooter · PvP · Shooter

Rogue Company
Shared: Third-Person Shooter · Shooter · PvP

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