Games like Lovely Traps Dungeon
Games like Lovely Traps Dungeon include Portal, Portal 2, Trine 3: The Artifacts of Power, LIMBO, and SEUM: Speedrunners from Hell. We matched them by the tags players give Lovely Traps Dungeon on Steam (Precision Platformer, Puzzle Platformer, 3D Platformer, Hidden Object, and Puzzle): closest matches first, and among equally close ones the better-known games.

Portal
Shared: Puzzle Platformer · Puzzle · 3D Platformer

Portal 2
Shared: Puzzle · Puzzle Platformer · Platformer

Trine 3: The Artifacts of Power
Shared: Puzzle Platformer · 3D Platformer · Puzzle

LIMBO
Shared: Puzzle Platformer · Puzzle · Platformer

SEUM: Speedrunners from Hell
Shared: Precision Platformer · 3D Platformer · Racing

Tomb Raider IV-VI Remastered
Shared: 3D Platformer · Puzzle · Precision Platformer

Papo & Yo
Shared: Puzzle Platformer · 3D Platformer · Puzzle

Rolled Out!
Shared: Precision Platformer · 3D Platformer · Puzzle Platformer

Only Climb: Better Together
Shared: Precision Platformer · 3D Platformer · Platformer

Toree 3D
Shared: 3D Platformer · Precision Platformer · Platformer

The Gardens Between
Shared: Puzzle Platformer · Hidden Object · Puzzle

Viewfinder
Shared: Puzzle Platformer · Puzzle · 3D Platformer

Hot Lava
Shared: Precision Platformer · 3D Platformer · Racing

Celeste
Shared: Precision Platformer · Platformer · Indie

EDGE
Shared: Puzzle Platformer · Puzzle · 3D Platformer

Defy Gravity Extended
Shared: Puzzle Platformer · Puzzle · Platformer

The Pedestrian
Shared: Puzzle Platformer · Puzzle · Platformer

Leap Year
Shared: Precision Platformer · Puzzle Platformer · Puzzle

Kneedle Knight
Shared: 3D Platformer · Puzzle · Puzzle Platformer

Öoo
Shared: Puzzle Platformer · Puzzle · Tutorial

ANIMAL WELL
Shared: Puzzle Platformer · Puzzle · Platformer

Chained Together
Shared: Puzzle Platformer · 3D Platformer · Platformer

The Talos Principle 2
Shared: Puzzle · Puzzle Platformer · 3D Platformer

Get To Work
Shared: Precision Platformer · 3D Platformer · Platformer