Games like Zeppelin: Escape Room
Games like Zeppelin: Escape Room include Outer Wilds, PEAK, The Room, Inside the Backrooms, and Return of the Obra Dinn. We matched them by the tags players give Zeppelin: Escape Room on Steam (Sci-fi, Mystery, Puzzle, Atmospheric, and Online Co-Op): closest matches first, and among equally close ones the better-known games.

Outer Wilds
Shared: Mystery · Atmospheric · Puzzle

PEAK
Shared: Online Co-Op · Multiplayer · Adventure

The Room
Shared: Mystery · Puzzle · Atmospheric

Inside the Backrooms
Shared: Puzzle · Multiplayer · Online Co-Op

Return of the Obra Dinn
Shared: Mystery · Puzzle · Atmospheric

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

Escape Simulator
Shared: Puzzle · Mystery · First-Person

We Were Here Forever
Shared: Puzzle · Online Co-Op · Mystery

Tick Tock: A Tale for Two
Shared: Puzzle · Online Co-Op · Mystery

We Were Here
Shared: Puzzle · Mystery · Multiplayer

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

Backrooms: Escape Together
Shared: Online Co-Op · Multiplayer · Atmospheric

Lethal Company
Shared: Online Co-Op · First-Person · Sci-fi

No Man's Sky
Shared: Sci-fi · Space · Adventure

We Were Here Expeditions: The FriendShip
Shared: Puzzle · Online Co-Op · Adventure

Machinika Museum
Shared: Mystery · Puzzle · Sci-fi

We Were Here Too
Shared: Puzzle · Online Co-Op · Atmospheric

Big Walk
Shared: Puzzle · Adventure · First-Person

The Room Two
Shared: Mystery · Puzzle · Atmospheric

The Swapper
Shared: Sci-fi · Puzzle · Atmospheric

We Were Here Together
Shared: Puzzle · Online Co-Op · Adventure

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

Firewatch
Shared: Atmospheric · Mystery · Adventure

Operation: Tango
Shared: Puzzle · Online Co-Op · Adventure