Games like Raioh
Games like Raioh include STAR WARS™ Battlefront™ II, Half-Life, HELLDIVERS™ 2, Half-Life 2, and Titanfall® 2. We matched them by the tags players give Raioh on Steam (Action, Shooter, Shoot 'Em Up, Singleplayer, and 2D): closest matches first, and among equally close ones the better-known games.

STAR WARS™ Battlefront™ II
Shared: Shooter · Singleplayer · Action

Half-Life
Shared: Singleplayer · Shooter · Action

HELLDIVERS™ 2
Shared: Shooter · Action · PvE

Half-Life 2
Shared: Action · Singleplayer · Shooter

Titanfall® 2
Shared: Shooter · Action · Singleplayer

BioShock Infinite
Shared: Action · Shooter · Singleplayer

Bit Blaster XL
Shared: Shoot 'Em Up · Shooter · Action

Half-Life: Opposing Force
Shared: Action · Shooter · Singleplayer

Half-Life: Blue Shift
Shared: Action · Shooter · Singleplayer

DRAINUS
Shared: Action · Shoot 'Em Up · Shooter

Dome Keeper
Shared: Action · Singleplayer · Sci-fi

Black Mesa
Shared: Action · Shooter · Singleplayer

Planes, Bullets and Vodka
Shared: Action · Shoot 'Em Up · Shooter

Zombotron
Shared: Action · 2D · Singleplayer

Huntdown
Shared: Shooter · Action · Pixel Graphics

Broforce
Shared: Action · Pixel Graphics · 2D

Battlefield™ 6
Shared: Shooter · Action · Singleplayer

Halo Infinite
Shared: Shooter · Action · Singleplayer

Battlefield™ 2042
Shared: Shooter · Action · Singleplayer

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

DEVIL BLADE REBOOT
Shared: Shooter · Action · Shoot 'Em Up

Call of Duty®
Shared: Shooter · Action · Singleplayer

Intrusion 2
Shared: Action · Shooter · 2D

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