Games like BOXNIGMA
Games like BOXNIGMA include Celeste, Super Meat Boy, LIMBO, Geometry Dash, and VVVVVV. We matched them by the tags players give BOXNIGMA on Steam (Puzzle Platformer, Minimalist, Precision Platformer, Arcade, and Difficult): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Precision Platformer · Difficult · 2D Platformer

Super Meat Boy
Shared: Precision Platformer · Difficult · Platformer

LIMBO
Shared: Puzzle Platformer · Puzzle · Platformer

Geometry Dash
Shared: Difficult · Precision Platformer · Platformer

VVVVVV
Shared: Precision Platformer · Platformer · Difficult

Downwell
Shared: Precision Platformer · Arcade · Platformer

Braid
Shared: Puzzle Platformer · Puzzle · 2D Platformer

Moonleap
Shared: Puzzle Platformer · Minimalist · Puzzle

Defy Gravity Extended
Shared: Puzzle Platformer · Puzzle · Platformer

Webbed
Shared: Puzzle Platformer · 2D Platformer · Physics

Trine 2: Complete Story
Shared: Puzzle Platformer · 2D Platformer · Platformer

Zuma Deluxe
Shared: Arcade · Puzzle · Strategy

Thomas Was Alone
Shared: Puzzle Platformer · Precision Platformer · Platformer

Portal 2
Shared: Puzzle Platformer · Puzzle · Platformer

Öoo
Shared: Puzzle Platformer · Puzzle · 2D Platformer

Jump King
Shared: Precision Platformer · Difficult · Platformer

Baba Is You
Shared: Puzzle · Difficult · Minimalist

Zup!
Shared: Puzzle · Minimalist · Puzzle Platformer

ElecHead
Shared: Puzzle Platformer · Puzzle · Platformer

Level Devil
Shared: Minimalist · 2D Platformer · Retro

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

N++ (NPLUSPLUS)
Shared: Precision Platformer · Difficult · 2D Platformer

Portal
Shared: Puzzle Platformer · Puzzle · Physics

Trine Enchanted Edition
Shared: Puzzle Platformer · 2D Platformer · Physics