Games like Portals: Escape the Infinity
Games like Portals: Escape the Infinity include The Room 4: Old Sins, The House of Da Vinci, Agent A: A puzzle in disguise, The Room, and The Room Three. We matched them by the tags players give Portals: Escape the Infinity on Steam (Escape Room, Exploration, Incremental, Hidden Object, and Puzzle): closest matches first, and among equally close ones the better-known games.

The Room 4: Old Sins
Shared: Puzzle · Escape Room · Point & Click

The House of Da Vinci
Shared: Hidden Object · Exploration · Puzzle

Agent A: A puzzle in disguise
Shared: Escape Room · Exploration · Puzzle

The Room
Shared: Puzzle · Hidden Object · Point & Click

The Room Three
Shared: Puzzle · Hidden Object · Point & Click

Blue Prince
Shared: Exploration · Puzzle · Escape Room

Escape Simulator 2
Shared: Escape Room · Puzzle · 3D

Chants of Sennaar
Shared: Puzzle · Point & Click · Exploration

We Were Here Forever
Shared: Escape Room · Puzzle · Exploration

The Room Two
Shared: Puzzle · Hidden Object · Point & Click

Monument Valley
Shared: Puzzle · Exploration · Strategy

Boxes: Lost Fragments
Shared: Puzzle · Point & Click · Hidden Object

Discolored
Shared: Exploration · Puzzle · Escape Room

The Witness
Shared: Exploration · Puzzle · First-Person

The House of Da Vinci 3
Shared: Hidden Object · Exploration · Puzzle

The House of Da Vinci 2
Shared: Hidden Object · Exploration · Puzzle

The House of Tesla: Definitive Edition
Shared: Hidden Object · Exploration · Puzzle

Antichamber
Shared: Puzzle · Exploration · First-Person

Moncage
Shared: Puzzle · Exploration · Incremental

Maize
Shared: Exploration · Hidden Object · Puzzle

Sizeable
Shared: Hidden Object · Puzzle · Exploration

Morphopolis
Shared: Puzzle · Hidden Object · Point & Click

In Sink: A Co-op Escape Adventure
Shared: Escape Room · Puzzle · Point & Click

Samsara Room
Shared: Puzzle · Escape Room · Point & Click