Games like Benign Land
Games like Benign Land include Mouthwashing, The Beginner's Guide, Summer of '58, Layers of Fear (2016), and nophenia. We matched them by the tags players give Benign Land on Steam (Walking Simulator, Atmospheric, Psychedelic, Nature, and Surreal): closest matches first, and among equally close ones the better-known games.

Mouthwashing
Shared: Atmospheric · Walking Simulator · Psychological

The Beginner's Guide
Shared: Walking Simulator · Atmospheric · Surreal

Summer of '58
Shared: Atmospheric · Walking Simulator · Horror

Layers of Fear (2016)
Shared: Atmospheric · Walking Simulator · Psychedelic

nophenia
Shared: Walking Simulator · Atmospheric · Surreal

INDIKA
Shared: Surreal · Psychedelic · Psychological

BABBDI
Shared: Atmospheric · Walking Simulator · Surreal

Hellblade: Senua's Sacrifice
Shared: Atmospheric · Psychological · Dark

The Cursed Forest
Shared: Walking Simulator · Atmospheric · Nature

Happy Game
Shared: Psychedelic · Atmospheric · Surreal

The Mortuary Assistant
Shared: Atmospheric · Supernatural · Surreal

Layers of Fear 2 (2019)
Shared: Atmospheric · Walking Simulator · Horror

POOLS
Shared: Walking Simulator · Atmospheric · Surreal

September 7th
Shared: Walking Simulator · Psychedelic · Horror

DON'T SCREAM
Shared: Atmospheric · Walking Simulator · Horror

KARMA: The Dark World
Shared: Walking Simulator · Atmospheric · Philosophical

[Chillas Art] The Convenience Store
Shared: Atmospheric · Walking Simulator · Horror

The Exit 8
Shared: Walking Simulator · Surreal · Horror

Lushfoil Photography Sim
Shared: Walking Simulator · Atmospheric · Nature

Firewatch
Shared: Atmospheric · Walking Simulator · Indie

NaissanceE
Shared: Atmospheric · Walking Simulator · Surreal

Eclipsium
Shared: Walking Simulator · Psychedelic · Surreal

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

Keeper
Shared: Walking Simulator · Atmospheric · Surreal