Games like TNTODION
Games like TNTODION include Portal 2, Little Nightmares, Poppy Playtime, Inside the Backrooms, and Little Nightmares II. We matched them by the tags players give TNTODION on Steam (Adventure, Horror, Platformer, FPS, and First-Person): closest matches first, and among equally close ones the better-known games.

Portal 2
Shared: Platformer · First-Person · Puzzle

Little Nightmares
Shared: Horror · Adventure · Puzzle

Poppy Playtime
Shared: Horror · First-Person · Puzzle

Inside the Backrooms
Shared: Horror · Adventure · Puzzle

Little Nightmares II
Shared: Adventure · Horror · Puzzle

LIMBO
Shared: Platformer · Puzzle · Adventure

Portal
Shared: Puzzle · First-Person · Puzzle Platformer

Supraland
Shared: Adventure · Puzzle Platformer · First-Person

Hello Neighbor
Shared: Horror · First-Person · Adventure

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

Atomic Heart
Shared: Adventure · FPS · Horror

Resident Evil Requiem
Shared: Horror · FPS · First-Person

The Room Two
Shared: Puzzle · Horror · Adventure

White Knuckle
Shared: Horror · First-Person · Platformer

Outlast
Shared: Horror · First-Person · Adventure

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

Resident Evil 7 Biohazard
Shared: Horror · First-Person · Puzzle

Ready or Not
Shared: FPS · Horror · First-Person

The Room
Shared: Adventure · Puzzle · Horror

MiSide
Shared: Horror · First-Person · Adventure

A Story About My Uncle
Shared: Adventure · First-Person · Platformer

Bendy and the Ink Machine
Shared: Horror · First-Person · Puzzle

Hello Neighbor 2
Shared: Adventure · Horror · Puzzle

Garten of Banban
Shared: Horror · First-Person · Puzzle