Games like 失踪トンネル
Games like 失踪トンネル include No, I'm not a Human, That's not my Neighbor, Five Nights at Freddy's: Security Breach, Cookie Clicker, and Buckshot Roulette. We matched them by the tags players give 失踪トンネル on Steam (Horror, Casual, 3D, Choices Matter, and Singleplayer): closest matches first, and among equally close ones the better-known games.

No, I'm not a Human
Shared: Horror · Choices Matter · Singleplayer

That's not my Neighbor
Shared: Casual · Horror · Choices Matter

Five Nights at Freddy's: Security Breach
Shared: Horror · Singleplayer · 3D

Cookie Clicker
Shared: Horror · Casual · Indie

Buckshot Roulette
Shared: Horror · Singleplayer · 3D

Getting Over It with Bennett Foddy
Shared: Horror · Singleplayer · Casual

Escape the Backrooms
Shared: Horror · 3D · Singleplayer

MiSide
Shared: Horror · 3D · Singleplayer

Garten of Banban
Shared: Horror · Singleplayer · 3D

Little Misfortune
Shared: Indie · Horror · Choices Matter

Poppy Playtime
Shared: Horror · Singleplayer · Indie

Five Nights at Freddy's
Shared: Horror · Singleplayer · Indie

Choo-Choo Charles
Shared: Horror · Singleplayer · 3D

The Death | Thần Trùng
Shared: Horror · Casual · Indie

Emily is Away <3
Shared: Choices Matter · Casual · Indie

Liars Bar
Shared: Casual · Indie · 3D

Mirror 2: Project X
Shared: 3D · Singleplayer · Casual

[Chillas Art] Parasocial
Shared: Horror · Choices Matter · Indie

911 Operator
Shared: Singleplayer · Casual · Indie

Static Dread: The Lighthouse
Shared: Horror · Indie · Choices Matter

Firework
Shared: Horror · Indie · Singleplayer

Emily is Away Too
Shared: Choices Matter · Casual · Indie

Slay the Princess — The Pristine Cut
Shared: Choices Matter · Horror · Singleplayer

Little Nightmares
Shared: Horror · Singleplayer · Indie