Games like Halo 3
Games like Halo 3 include Halo: The Master Chief Collection, Half-Life 2, Black Mesa, DOOM, and Call of Duty®: Black Ops III. We matched them by the tags players give Halo 3 on Steam (Action, FPS, Multiplayer, Shooter, and Classic): closest matches first, and among equally close ones the better-known games.
Halo: The Master Chief Collection
Shared: Great Soundtrack · FPS · Multiplayer
Half-Life 2
Shared: Action · FPS · Classic
Black Mesa
Shared: Action · FPS · Sci-fi
DOOM
Shared: Action · FPS · Great Soundtrack
Call of Duty®: Black Ops III
Shared: Multiplayer · FPS · Action
Half-Life
Shared: FPS · Classic · Action
Halo Infinite
Shared: FPS · Multiplayer · Action
Call of Duty®
Shared: FPS · Multiplayer · Action
STAR WARS™ Battlefront II (Classic, 2005)
Shared: Action · Multiplayer · Shooter
DOOM Eternal
Shared: Action · FPS · Great Soundtrack
STAR WARS™ Republic Commando™
Shared: Action · FPS · Shooter
Call of Duty® 4: Modern Warfare® (2007)
Shared: Action · FPS · Multiplayer
Call of Duty®: Modern Warfare® 2 (2009)
Shared: Action · FPS · Multiplayer
Apex Legends™
Shared: Multiplayer · FPS · Action
Half-Life: Opposing Force
Shared: Action · FPS · Classic
PAYDAY 2
Shared: Action · FPS · Multiplayer
Titanfall® 2
Shared: FPS · Multiplayer · Action
Left 4 Dead 2
Shared: FPS · Multiplayer · Action
Red Dead Redemption 2
Shared: Action · Multiplayer · Shooter
Battlefield™ 2042
Shared: FPS · Multiplayer · Shooter
Counter-Strike
Shared: Action · FPS · Multiplayer
STAR WARS™ Battlefront™ II
Shared: Multiplayer · Shooter · Action
Far Cry 3
Shared: Action · FPS · Multiplayer
BioShock Infinite
Shared: Action · FPS · Shooter