Games like Temlegen: System Breakdown
Games like Temlegen: System Breakdown include Master Detective Archives: RAIN CODE Plus, Firewatch, PEAK, Five Nights at Freddy's: Secret of the Mimic, and A Plague Tale: Requiem. We matched them by the tags players give Temlegen: System Breakdown on Steam (Adventure, Action-Adventure, Visual Novel, Choose Your Own Adventure, and Exploration): closest matches first, and among equally close ones the better-known games.

Master Detective Archives: RAIN CODE Plus
Shared: Adventure · Action-Adventure · Exploration

Firewatch
Shared: Adventure · Exploration · Atmospheric

PEAK
Shared: Adventure · Exploration · 3D

Five Nights at Freddy's: Secret of the Mimic
Shared: Adventure · Exploration · Action-Adventure

A Plague Tale: Requiem
Shared: Adventure · Action-Adventure · Exploration

Road 96
Shared: Adventure · Colorful · First-Person

What Remains of Edith Finch
Shared: Adventure · Exploration · Atmospheric

Amnesia: Rebirth
Shared: Action-Adventure · Adventure · First-Person

Five Nights at Freddy's: Security Breach
Shared: Adventure · Exploration · First-Person

Urban Myth Dissolution Center
Shared: Visual Novel · Adventure · 2D

Outer Wilds
Shared: Adventure · Exploration · Atmospheric

Dagon: by H. P. Lovecraft
Shared: Visual Novel · Atmospheric · First-Person

Tiny Bunny
Shared: Visual Novel · Atmospheric · 2D

Escape the Backrooms
Shared: Adventure · Exploration · First-Person

SILENT HILL: Townfall
Shared: Adventure · Action-Adventure · Exploration

Slime Rancher
Shared: Adventure · Exploration · Colorful

Mirror 2: Project X
Shared: Visual Novel · 3D · Anime

OPUS: Echo of Starsong - Full Bloom Edition
Shared: Visual Novel · Anime · 2D

Made in Abyss: Binary Star Falling into Darkness
Shared: Adventure · Action-Adventure · Exploration

Mad Father
Shared: Adventure · Exploration · 2D

WITCH ON THE HOLY NIGHT
Shared: Visual Novel · Adventure · Anime

Hello Neighbor 2
Shared: Adventure · Action-Adventure · First-Person

Sanfu
Shared: Adventure · 2D · Visual Novel

Demon Slayer -Kimetsu no Yaiba- The Hinokami Chronicles
Shared: Adventure · Action-Adventure · Anime