Games like 6 PEOPLE
Games like 6 PEOPLE include Poppy Playtime, Firework, Samsara Room, Ultimate Custom Night, and We Were Here. We matched them by the tags players give 6 PEOPLE on Steam (Free to Play, Indie, Horror, Visual Novel, and Mystery): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: Free to Play · Horror · Mystery

Firework
Shared: Indie · Horror · Mystery

Samsara Room
Shared: Indie · Free to Play · Horror

Ultimate Custom Night
Shared: Free to Play · Horror · Indie

We Were Here
Shared: Free to Play · Horror · Mystery

Dark Deception
Shared: Free to Play · Horror · Indie

Raging Loop
Shared: Visual Novel · Indie · Mystery

The Room Two
Shared: Mystery · Horror · Indie

The Room
Shared: Mystery · Indie · Horror

Unheard - Voices of Crime
Shared: Mystery · Short · Indie

寄居隅怪奇事件簿 Hermitage Strange Case Files
Shared: Indie · Visual Novel · Mystery

Return to Shironagasu Island
Shared: Visual Novel · Horror · Mystery

Sally Face - Episode One
Shared: Indie · Horror · Mystery

Danganronpa: Trigger Happy Havoc
Shared: Visual Novel · Mystery · Horror

Dagon: by H. P. Lovecraft
Shared: Horror · Visual Novel · Mystery

Path of Exile
Shared: Free to Play · Indie · Horror

Kraven Manor
Shared: Free to Play · Horror · Indie

Varenje
Shared: Free to Play · Indie · Visual Novel

Firewatch
Shared: Mystery · Indie · Horror

Iron Lung
Shared: Horror · Indie · Short

妄想症:Deliver Me
Shared: Indie · Visual Novel · Mystery

The Letter - Horror Visual Novel
Shared: Horror · Visual Novel · Indie

No, I'm not a Human
Shared: Horror · Indie · Mystery

Scarlet Hollow
Shared: Horror · Visual Novel · Mystery