Games like
Games like include Outer Wilds, Poppy Playtime, Firework, Stray, and Firewatch. We matched them by the tags players give on Steam (Adventure, Indie, Supernatural, Puzzle, and Exploration): closest matches first, and among equally close ones the better-known games.

Outer Wilds
Shared: Adventure · Exploration · Puzzle

Poppy Playtime
Shared: Horror · Puzzle · Indie

Firework
Shared: Indie · Puzzle · Horror

Stray
Shared: Adventure · Exploration · Puzzle

Firewatch
Shared: Adventure · Indie · Exploration

Dread Flats
Shared: Adventure · Supernatural · Horror

Lorelei and the Laser Eyes
Shared: Adventure · Puzzle · Exploration

The Mortuary Assistant
Shared: Supernatural · Horror · Indie

Blue Prince
Shared: Puzzle · Exploration · Indie

The Room 4: Old Sins
Shared: Adventure · Puzzle · Mystery

The Room
Shared: Puzzle · Adventure · Indie

Five Nights at Freddy's: Security Breach
Shared: Horror · Adventure · Exploration

Sally Face - Episode One
Shared: Indie · Adventure · Puzzle

Paper Dolls: Original /
Shared: Adventure · Horror · Indie

Antichamber
Shared: Indie · Puzzle · Exploration

Inside the Backrooms
Shared: Horror · Puzzle · Adventure

The Room Two
Shared: Puzzle · Adventure · Indie

Superliminal
Shared: Puzzle · Psychological · Adventure

The Witness
Shared: Puzzle · Exploration · Indie

Killer Frequency
Shared: Adventure · Puzzle · Horror

The Room Three
Shared: Adventure · Puzzle · Indie

The Exit 8
Shared: Puzzle · Exploration · Horror

Chants of Sennaar
Shared: Adventure · Puzzle · Indie

The Forest
Shared: Adventure · Horror · Exploration