Games like Sanctum 2
Games like Sanctum 2 include Counter-Strike 2, PUBG: BATTLEGROUNDS, Left 4 Dead 2, PAYDAY 2, and Starship Troopers: Extermination. We matched them by the tags players give Sanctum 2 on Steam (Tower Defense, FPS, Strategy, Action, and Sci-fi): closest matches first, and among equally close ones the better-known games.
Counter-Strike 2
Shared: FPS · Action · Multiplayer
PUBG: BATTLEGROUNDS
Shared: FPS · Action · Multiplayer
Left 4 Dead 2
Shared: FPS · Co-op · Action
PAYDAY 2
Shared: Co-op · FPS · Action
Starship Troopers: Extermination
Shared: FPS · Action · Online Co-Op
Bloons TD 6
Shared: Tower Defense · Strategy · Co-op
Call of Duty®: Black Ops III
Shared: FPS · Action · Multiplayer
Sanctum
Shared: Tower Defense · FPS · Co-op
Tom Clancy's Rainbow Six Siege
Shared: FPS · Multiplayer · Action
Call of Duty®
Shared: FPS · Action · Multiplayer
Halo Infinite
Shared: FPS · Action · Multiplayer
STAR WARS™ Battlefront™ II
Shared: FPS · Multiplayer · Sci-fi
Halo: The Master Chief Collection
Shared: FPS · Co-op · Sci-fi
Titanfall® 2
Shared: FPS · Action · Multiplayer
Call of Duty®: Black Ops II
Shared: FPS · Action · Co-op
Apex Legends™
Shared: FPS · Multiplayer · Action
How to Fish
Shared: Co-op · Online Co-Op · Multiplayer
Orcs Must Die! 2
Shared: Tower Defense · Co-op · Strategy
Borderlands 2
Shared: Co-op · Action · FPS
ORION: Prelude
Shared: FPS · Action · Co-op
Battlefield™ 2042
Shared: FPS · Multiplayer · Action
Insurgency
Shared: FPS · Action · Co-op
Left 4 Dead
Shared: Co-op · FPS · Action
Aliens: Colonial Marines Collection
Shared: FPS · Action · Co-op