Games like ITRP _ Volatile Vertex
Games like ITRP _ Volatile Vertex include Portal, Portal 2, The Ball, The Talos Principle 2, and Viewfinder. We matched them by the tags players give ITRP _ Volatile Vertex on Steam (Puzzle, 3D Platformer, First-Person, Puzzle Platformer, and Action): closest matches first, and among equally close ones the better-known games.

Portal
Shared: Puzzle · First-Person · 3D Platformer

Portal 2
Shared: Puzzle · First-Person · Puzzle Platformer

The Ball
Shared: 3D Platformer · Puzzle · First-Person

The Talos Principle 2
Shared: Puzzle · First-Person · Puzzle Platformer

Viewfinder
Shared: Puzzle · Puzzle Platformer · First-Person

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

Supraland
Shared: Puzzle Platformer · First-Person · Puzzle

Human Fall Flat
Shared: Puzzle · Puzzle Platformer · Physics

Defy Gravity Extended
Shared: Puzzle · Puzzle Platformer · Action

Superliminal
Shared: Puzzle · First-Person · Physics

Mirror's Edge™
Shared: First-Person · 3D Platformer · Puzzle

Clustertruck
Shared: First-Person · 3D Platformer · Action

LIMBO
Shared: Puzzle · Puzzle Platformer · Indie

Poppy Playtime
Shared: Puzzle · First-Person · Free to Play

The Talos Principle
Shared: Puzzle · First-Person · Sci-fi

Q.U.B.E: Director's Cut
Shared: Puzzle · First-Person · Action

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

Polarity
Shared: Puzzle · First-Person · Action

DeadCore
Shared: Action · First-Person · 3D Platformer

Half-Life 2
Shared: Action · First-Person · Sci-fi

Apex Legends™
Shared: First-Person · Action · Free to Play

Halo Infinite
Shared: First-Person · Action · Free to Play

Hardspace: Shipbreaker
Shared: Puzzle · Sci-fi · First-Person

BONEWORKS
Shared: Action · Puzzle · Physics