Games like Sin-Cay
Games like Sin-Cay include Far Cry® 5, Half-Life 2, BioShock Infinite, Fallout 4, and Black Mesa. We matched them by the tags players give Sin-Cay on Steam (Adventure, Sci-fi, Action-Adventure, Shooter, and Choose Your Own Adventure): closest matches first, and among equally close ones the better-known games.

Far Cry® 5
Shared: Action-Adventure · Shooter · FPS

Half-Life 2
Shared: Sci-fi · Adventure · FPS

BioShock Infinite
Shared: Shooter · Adventure · FPS

Fallout 4
Shared: Adventure · Exploration · Shooter

Black Mesa
Shared: Sci-fi · FPS · Shooter

Atomic Heart
Shared: Adventure · Action-Adventure · FPS

Far Cry® 6
Shared: Action-Adventure · Adventure · Shooter

High On Life
Shared: Adventure · Action-Adventure · Sci-fi

VLADiK BRUTAL
Shared: Shooter · Adventure · FPS

Call of Duty®: Black Ops III
Shared: Shooter · FPS · Sci-fi

S.T.A.L.K.E.R. 2: Heart of Chornobyl - Standard Edition
Shared: Shooter · FPS · Exploration

Half-Life
Shared: Sci-fi · FPS · Shooter

Apex Legends™
Shared: Shooter · FPS · Sci-fi

RoboCop: Rogue City
Shared: FPS · Shooter · Sci-fi

S.T.A.L.K.E.R.: Shadow of Chornobyl - Enhanced Edition
Shared: Adventure · Shooter · Exploration

Half-Life: Alyx
Shared: Shooter · FPS · Sci-fi

Half-Life: Opposing Force
Shared: Sci-fi · Shooter · FPS

Tomb Raider Game of the Year
Shared: Adventure · Action-Adventure · Exploration

STAR WARS Jedi: Fallen Order™
Shared: Action-Adventure · Sci-fi · Exploration

Halo Infinite
Shared: Shooter · Sci-fi · FPS

Cyberpunk 2077
Shared: Sci-fi · FPS · Story Rich

Marvel's Guardians of the Galaxy
Shared: Action-Adventure · Sci-fi · Adventure

Half-Life: Blue Shift
Shared: Sci-fi · Shooter · FPS

Rise of the Tomb Raider™
Shared: Adventure · Action-Adventure · Exploration