Games like SENTRY
Games like SENTRY include Sanctum 2, PUBG: BATTLEGROUNDS, Black Mesa, Starship Troopers: Extermination, and Half-Life 2. We matched them by the tags players give SENTRY on Steam (FPS, Tower Defense, Sci-fi, Strategy, and Action): closest matches first, and among equally close ones the better-known games.
Sanctum 2
Shared: FPS · Tower Defense · Strategy
PUBG: BATTLEGROUNDS
Shared: FPS · Survival · Action
Black Mesa
Shared: FPS · Sci-fi · Action
Starship Troopers: Extermination
Shared: FPS · Sci-fi · Action
Half-Life 2
Shared: FPS · Sci-fi · Action
STAR WARS™ Battlefront™ II
Shared: Sci-fi · FPS · Action
Titanfall® 2
Shared: FPS · Sci-fi · Action
Halo Infinite
Shared: FPS · Action · Sci-fi
Sanctum
Shared: FPS · Tower Defense · Strategy
Half-Life
Shared: FPS · Sci-fi · Action
Aliens vs. Predator™
Shared: FPS · Action · Sci-fi
Apex Legends™
Shared: FPS · Action · First-Person
Aliens: Colonial Marines Collection
Shared: FPS · Action · Sci-fi
Halo: The Master Chief Collection
Shared: FPS · Sci-fi · Action
Half-Life: Opposing Force
Shared: FPS · Sci-fi · Action
Natural Selection 2
Shared: FPS · Strategy · Sci-fi
STAR WARS™ Battlefront II (Classic, 2005)
Shared: Action · Sci-fi · FPS
Half-Life: Blue Shift
Shared: FPS · Sci-fi · Action
Left 4 Dead 2
Shared: FPS · Action · Survival
BioShock Infinite
Shared: FPS · Action · First-Person
STAR WARS™ Republic Commando™
Shared: FPS · Sci-fi · Action
Halo: Campaign Evolved
Shared: FPS · Action · Sci-fi
FragPunk
Shared: FPS · Action · Sci-fi
Jump Space
Shared: FPS · Sci-fi · Action