Games like Ultima Nex
Games like Ultima Nex include PUBG: BATTLEGROUNDS, HELLDIVERS™ 2, ARC Raiders, Marvel Rivals, and Rogue Company. We matched them by the tags players give Ultima Nex on Steam (Space, Third-Person Shooter, PvE, Shooter, and Battle Royale): closest matches first, and among equally close ones the better-known games.

PUBG: BATTLEGROUNDS
Shared: Shooter · PvP · Battle Royale

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

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

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

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

World of Warships
Shared: Third-Person Shooter · Shooter · PvP

Apex Legends™
Shared: Battle Royale · Shooter · PvP

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

Counter-Strike 2
Shared: Shooter · PvP · Team-Based

Farlight 84
Shared: Third-Person Shooter · Battle Royale · Shooter

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

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

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

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

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

Strinova
Shared: Third-Person Shooter · Shooter · PvP

Warframe
Shared: Third-Person Shooter · Third Person · PvE

Mecha BREAK
Shared: PvP · Third-Person Shooter · Battle Royale

Squad
Shared: PvP · PvE · Shooter

NARAKA: BLADEPOINT
Shared: PvP · Battle Royale · Multiplayer

Pixel Gun 3D: PC Edition
Shared: PvP · Shooter · Battle Royale

Off The Grid
Shared: PvP · Third-Person Shooter · Battle Royale

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