24 games ranked by how much the tags Steam players vote on them overlap with sleep_mode's. A rare tag counts for far more than one that sits on half the store, and popularity never moves a game up.
What they share most: Artificial Intelligence, Alternate History, Conspiracy, Futuristic, Mystery, Psychological Horror.

1·Terminator: Dark Fate - Defiance
79% match · Artificial Intelligence, Alternate History
83% of 4,530 reviews positive

2·Doki Doki AI Interrogation
77% match · Artificial Intelligence, Alternate History
81% of 517 reviews positive

3·KinitoPET
75% match · Artificial Intelligence, Psychological Horror
93% of 14,807 reviews positive

4·Saiko no sutoka
75% match · Artificial Intelligence, Horror
91% of 3,894 reviews positive

5·Nebraska
73% match · Artificial Intelligence, Mystery
79% of 82 reviews positive

6·AI: THE SOMNIUM FILES - nirvanA Initiative
73% match · Artificial Intelligence, Futuristic
86% of 3,798 reviews positive

7·Acolyte
73% match · Artificial Intelligence, Conspiracy
77% of 65 reviews positive

8·Flat Eye
72% match · Artificial Intelligence, Futuristic
64% of 138 reviews positive

9·Midnight Monitor: Aldercourt
72% match · Alternate History, Conspiracy
90% of 155 reviews positive

10·Unknown 9: Awakening
72% match · Alternate History, Lore-Rich
37% of 950 reviews positive

11·Joana's Life
72% match · Mystery, Horror
30% of 230 reviews positive

12·The Escape: Together
72% match · Artificial Intelligence, Psychedelic
78% of 2,498 reviews positive

13·INPUT6
71% match · Conspiracy, Alternate History
95% of 171 reviews positive
![Event[0]](https://cdn.cloudflare.steamstatic.com/steam/apps/470260/header.jpg)
14·Event[0]
71% match · Artificial Intelligence, Mystery
80% of 2,303 reviews positive

15·Bad Parenting 1: Mr. Red Face
71% match · Lore-Rich, Stylized
86% of 3,109 reviews positive

16·Last Laugh
71% match · Multiple Endings, Psychological Horror
98% of 57 reviews positive

17·Born Into Fear
71% match · Alternate History, Conspiracy
89% of 281 reviews positive

18·Evil Nun: The Broken Mask
71% match · Artificial Intelligence, Mystery
95% of 1,160 reviews positive

19·Go Home Annie: An SCP Game
71% match · Alternate History, Mystery
81% of 515 reviews positive

20·Return the Backrooms
71% match · Linear, Psychedelic
62% of 138 reviews positive

21·Blade Runner: Enhanced Edition
70% match · Artificial Intelligence, Alternate History
75% of 657 reviews positive

22·Loopmancer
70% match · Artificial Intelligence, Futuristic
76% of 559 reviews positive

23·Strobophagia | Rave Horror
70% match · Psychedelic, Stylized
83% of 110 reviews positive

24·BLINK: The Last Night
70% match · Alternate History, Lore-Rich
78% of 104 reviews positive
The closest matches to sleep_mode on Steam are Terminator: Dark Fate - Defiance, Doki Doki AI Interrogation, KinitoPET, Saiko no sutoka, Nebraska. They rank highest because their Steam community tags overlap most with sleep_mode's, and shared tags include Artificial Intelligence, Alternate History, Conspiracy.
Every game is described by the tags Steam players vote on it. Rare, specific tags such as Artificial Intelligence, Alternate History, Conspiracy count far more than catch-all ones like "Indie" or "Singleplayer", and each game is scored on how closely its whole tag profile matches sleep_mode's. Popularity never affects the ranking.