Games like UNNAMED
Games like UNNAMED include The Stanley Parable, Stray, Firewatch, Hellblade: Senua's Sacrifice, and Chants of Sennaar. We matched them by the tags players give UNNAMED on Steam (Indie, Adventure, Violent, Arcade, and Psychological): closest matches first, and among equally close ones the better-known games.

The Stanley Parable
Shared: Indie · Psychological · Adventure

Stray
Shared: Adventure · Singleplayer · Exploration

Firewatch
Shared: Adventure · Indie · Singleplayer

Hellblade: Senua's Sacrifice
Shared: Psychological · Adventure · Singleplayer

Chants of Sennaar
Shared: Adventure · Indie · Puzzle

FEZ
Shared: Indie · Puzzle · Adventure

There Is No Game: Wrong Dimension
Shared: Indie · Adventure · Puzzle

CARRION
Shared: Indie · Violent · Adventure

The Witness
Shared: Indie · Puzzle · Exploration

Little Nightmares
Shared: Adventure · Indie · Singleplayer

Outer Wilds
Shared: Adventure · Exploration · Indie

Little Nightmares II
Shared: Adventure · Singleplayer · Puzzle

DISTRAINT: Deluxe Edition
Shared: Indie · Adventure · Singleplayer

OneShot
Shared: Indie · Adventure · Puzzle

Antichamber
Shared: Indie · Puzzle · Adventure

Twelve Minutes
Shared: Indie · Adventure · Puzzle

Blair Witch
Shared: Adventure · Indie · Violent

Kindergarten 2
Shared: Adventure · Indie · Violent

FAR: Lone Sails
Shared: Adventure · Indie · Singleplayer

A Short Hike
Shared: Adventure · Indie · Exploration

What Remains of Edith Finch
Shared: Adventure · Indie · Walking Simulator

Poppy Playtime
Shared: Singleplayer · Puzzle · Indie

The Exit 8
Shared: Puzzle · Exploration · Walking Simulator

INMOST
Shared: Indie · Adventure · Exploration