Games like Kitrinos: Inside the Cube
Games like Kitrinos: Inside the Cube include Poppy Playtime, Outer Wilds, The Room, Samsara Room, and Halo Infinite. We matched them by the tags players give Kitrinos: Inside the Cube on Steam (Free to Play, Puzzle, First-Person, 2.5D, and Adventure): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: Free to Play · Puzzle · First-Person

Outer Wilds
Shared: Adventure · Puzzle · Mystery

The Room
Shared: Puzzle · Mystery · Adventure

Samsara Room
Shared: Puzzle · Free to Play · Adventure

Halo Infinite
Shared: Free to Play · First-Person · Sci-fi

The Talos Principle
Shared: Puzzle · First-Person · Sci-fi

The Turing Test
Shared: Puzzle · First-Person · Sci-fi

The Room Three
Shared: Puzzle · Adventure · Mystery

The Room Two
Shared: Puzzle · Mystery · Adventure

We Were Here
Shared: Free to Play · Puzzle · Adventure

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

Amanda the Adventurer
Shared: Puzzle · First-Person · Mystery

Deliver Us The Moon
Shared: Adventure · Indie · Sci-fi

Apex Legends™
Shared: Free to Play · First-Person · Sci-fi

Return of the Obra Dinn
Shared: Puzzle · Mystery · First-Person

Chants of Sennaar
Shared: Puzzle · Adventure · Indie

Portal 2
Shared: Puzzle · First-Person · Singleplayer

Observation
Shared: Adventure · Indie · Puzzle

The Mr. Rabbit Magic Show
Shared: Puzzle · Free to Play · Adventure

Portal
Shared: Puzzle · First-Person · Sci-fi

Blue Prince
Shared: Puzzle · Mystery · First-Person

Antichamber
Shared: Puzzle · First-Person · Indie

Polarity
Shared: Puzzle · First-Person · Adventure

The Witness
Shared: Puzzle · First-Person · Indie