Games like Newtonian Inversion
Games like Newtonian Inversion include Portal, Portal 2, LIMBO, Viewfinder, and Defy Gravity Extended. We matched them by the tags players give Newtonian Inversion on Steam (Puzzle Platformer, 3D Platformer, Physics, Sci-fi, and Puzzle): closest matches first, and among equally close ones the better-known games.

Portal
Shared: Puzzle Platformer · 3D Platformer · Puzzle

Portal 2
Shared: Puzzle · Platformer · Puzzle Platformer

LIMBO
Shared: Puzzle Platformer · Puzzle · Platformer

Viewfinder
Shared: Puzzle Platformer · Puzzle · Physics

Defy Gravity Extended
Shared: Puzzle Platformer · Platformer · Puzzle

Supraland
Shared: Puzzle Platformer · Physics · Puzzle

Shady Part of Me
Shared: Puzzle · Female Protagonist · Platformer

A Hat in Time
Shared: 3D Platformer · Female Protagonist · Platformer

Human Fall Flat
Shared: Physics · Puzzle · Puzzle Platformer

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

Contrast
Shared: Female Protagonist · Puzzle · Platformer

Tiny and Big: Grandpas Leftovers
Shared: Physics · 3D Platformer · Puzzle

GRIS
Shared: Female Protagonist · Platformer · Indie

Little Nightmares
Shared: Puzzle Platformer · Puzzle · Adventure

Planet of Lana
Shared: Puzzle Platformer · Female Protagonist · Puzzle

COCOON
Shared: Puzzle Platformer · Puzzle · Adventure

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

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

Neva
Shared: Platformer · Adventure · Puzzle

Pseudoregalia
Shared: 3D Platformer · Female Protagonist · Platformer

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

The Ball
Shared: Puzzle Platformer · 3D Platformer · Puzzle

The Spirit and the Mouse
Shared: Puzzle Platformer · Puzzle · Platformer

The Talos Principle 2
Shared: Puzzle · Puzzle Platformer · Sci-fi