Games like Mini Mania
Games like Mini Mania include Portal 2, Portal, Chained Together, Climb The Backrooms, and Refunct. We matched them by the tags players give Mini Mania on Steam (Casual, Platformer, Puzzle, 3D Platformer, and Mystery Dungeon): closest matches first, and among equally close ones the better-known games.

Portal 2
Shared: Platformer · Puzzle · Puzzle Platformer

Portal
Shared: Puzzle · 3D Platformer · Puzzle Platformer

Chained Together
Shared: Platformer · Casual · Puzzle Platformer

Climb The Backrooms
Shared: Casual · Platformer · Puzzle

Refunct
Shared: 3D Platformer · Casual · Platformer

Quantum Conundrum
Shared: Puzzle · 3D Platformer · Puzzle Platformer

Climber Animals: Together
Shared: Platformer · Casual · 3D Platformer

LIMBO
Shared: Puzzle · Platformer · Puzzle Platformer

A Story About My Uncle
Shared: Platformer · First-Person · 3D Platformer

FEZ
Shared: Platformer · Puzzle · Casual

Viewfinder
Shared: Puzzle · Puzzle Platformer · First-Person

Laughing to Die
Shared: Casual · Puzzle · Platformer

Supraland
Shared: Puzzle Platformer · Puzzle · First-Person

POPUCOM
Shared: Platformer · Casual · Puzzle

Pikuniku
Shared: Casual · Puzzle · Platformer

Defy Gravity Extended
Shared: Platformer · Puzzle · Puzzle Platformer

Human Fall Flat
Shared: Puzzle · Puzzle Platformer · Funny

Squishy the Suicidal Pig
Shared: Platformer · Puzzle · Puzzle Platformer

Life Goes On: Done to Death
Shared: Platformer · Puzzle · Casual

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

Donut County
Shared: Casual · Puzzle · Indie

Moncage
Shared: Casual · Puzzle · Indie

Biped
Shared: Puzzle · 3D Platformer · Casual

Nihilumbra
Shared: Platformer · Casual · Puzzle