Games like Suixun 01: The Last Customer
Games like Suixun 01: The Last Customer include Firewatch, Dagon: by H. P. Lovecraft, Tiny Bunny, Lay a Beauty to Rest: The Darkness Peach Blossom Spring, and Firework. We matched them by the tags players give Suixun 01: The Last Customer on Steam (Visual Novel, Interactive Fiction, Mystery, Dialogue Heavy, and Story Rich): closest matches first, and among equally close ones the better-known games.

Firewatch
Shared: Mystery · Story Rich · Adventure

Dagon: by H. P. Lovecraft
Shared: Visual Novel · Horror · Story Rich

Tiny Bunny
Shared: Visual Novel · Story Rich · Horror

Lay a Beauty to Rest: The Darkness Peach Blossom Spring
Shared: Visual Novel · Mystery · Interactive Fiction

Firework
Shared: Horror · Mystery · Visual Novel

Sally Face - Episode One
Shared: Story Rich · Horror · Mystery

What Remains of Edith Finch
Shared: Story Rich · Mystery · Atmospheric

The Hungry Lamb: Traveling in the Late Ming Dynasty
Shared: Visual Novel · Interactive Fiction · Story Rich

Raging Loop
Shared: Visual Novel · Mystery · Story Rich

Until Then
Shared: Visual Novel · Interactive Fiction · Story Rich

Amnesia: A Machine For Pigs
Shared: Horror · Story Rich · Mystery

Homicipher
Shared: Visual Novel · Horror · Interactive Fiction

Coffee Talk
Shared: Visual Novel · Dialogue Heavy · Interactive Fiction

Danganronpa 2: Goodbye Despair
Shared: Visual Novel · Mystery · Story Rich

Milk inside a bag of milk inside a bag of milk
Shared: Visual Novel · Horror · Interactive Fiction

Danganronpa: Trigger Happy Havoc
Shared: Visual Novel · Mystery · Story Rich

PARANORMASIGHT: The Seven Mysteries of Honjo
Shared: Visual Novel · Horror · Adventure

Outer Wilds
Shared: Mystery · Story Rich · Adventure

MiSide
Shared: Story Rich · Horror · Dialogue Heavy

Urban Myth Dissolution Center
Shared: Visual Novel · Mystery · Adventure

Oxenfree
Shared: Story Rich · Mystery · Supernatural

Return to Shironagasu Island
Shared: Visual Novel · Mystery · Adventure

Slay the Princess — The Pristine Cut
Shared: Visual Novel · Story Rich · Horror

Higurashi When They Cry Hou - Ch.1 Onikakushi
Shared: Visual Novel · Mystery · Story Rich