Games like Helion
Games like Helion include PUBG: BATTLEGROUNDS, HELLDIVERS™ 2, ARC Raiders, STAR WARS™ Battlefront II (Classic, 2005), and Counter-Strike 2. We matched them by the tags players give Helion on Steam (Action, Third-Person Shooter, Shooter, Stylized, and Sci-fi): closest matches first, and among equally close ones the better-known games.

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

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

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

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

Counter-Strike 2
Shared: Shooter · Action · Multiplayer

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

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

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

Apex Legends™
Shared: Shooter · Action · PvP

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

Risk of Rain 2
Shared: Third-Person Shooter · Action · Multiplayer

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

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

Titanfall® 2
Shared: Shooter · Action · Multiplayer

FragPunk
Shared: Action · Shooter · PvP

Farlight 84
Shared: Shooter · Third-Person Shooter · Multiplayer

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

Halo Infinite
Shared: Action · Shooter · Multiplayer

Tom Clancy’s The Division™
Shared: Third-Person Shooter · Action · Shooter

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

Marathon
Shared: PvP · Shooter · Action

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

Red Dead Redemption 2
Shared: Action · Multiplayer · Shooter

Call of Duty®
Shared: Action · Shooter · Multiplayer