Games like Alone
Games like Alone include PUBG: BATTLEGROUNDS, Counter-Strike 2, Far Cry® Primal, Mage Arena, and Paladins®. We matched them by the tags players give Alone on Steam (Survival, Strategy, Dark Fantasy, First-Person, and Incremental): closest matches first, and among equally close ones the better-known games.

PUBG: BATTLEGROUNDS
Shared: Survival · Action · FPS

Counter-Strike 2
Shared: Action · FPS · First-Person

Far Cry® Primal
Shared: Survival · Action · First-Person

Mage Arena
Shared: Dark Fantasy · First-Person · Action

Paladins®
Shared: Action · First-Person · Hero Shooter

Apex Legends™
Shared: First-Person · FPS · Action

Far Cry® 5
Shared: Action-Adventure · First-Person · FPS

Black Myth: Wukong
Shared: Action · Dark Fantasy · Action-Adventure

Warhammer: End Times - Vermintide
Shared: Dark Fantasy · Action · First-Person

Counter-Strike: Source
Shared: Action · First-Person · FPS

METRO Last Light Redux
Shared: Action · FPS · First-Person

Tom Clancy's Rainbow Six Siege
Shared: FPS · Action · Strategy

DOOM: The Dark Ages
Shared: Dark Fantasy · Action · FPS

Left 4 Dead 2
Shared: Survival · FPS · Action

S.T.A.L.K.E.R. 2: Heart of Chornobyl - Standard Edition
Shared: Survival · FPS · First-Person

Team Fortress 2
Shared: Action · Hero Shooter · FPS

Counter-Strike
Shared: Action · First-Person · FPS

Metro Exodus
Shared: FPS · Survival · Action

Rust
Shared: Survival · First-Person · Action

Far Cry® 4
Shared: Action · First-Person · FPS

Fatekeeper
Shared: First-Person · Dark Fantasy · Action

METRO 2033 Redux
Shared: FPS · Action · First-Person

Far Cry 3
Shared: Action · FPS · First-Person

Counter-Strike: Condition Zero
Shared: Action · First-Person · FPS