Portal 2

First-person puzzle platformer built around portals, physics, and dark humor

Valve · Released Apr 18, 2011

Reviews: Overwhelmingly Positive; 99% of 467K
Recent reviews: Overwhelmingly Positive; 98% of 1,901 in 30 days
Playing now: 790; peak 24h 1,266
Steam Deck: Verified
Last update: 2 months ago; Jun 29, 2026

What is Portal 2?

A first-person puzzle platformer set in Aperture Science laboratories, where you place portals and use physics to navigate test chambers while encountering GLaDOS again. Its two-player co-op mode has a separate campaign, story, characters, and puzzles.

For you if...

+you enjoy clever physics puzzles that feel fair
+you want dark humor alongside a story-driven campaign
+you plan to play a separate two-player co-op campaign

Not for you if...

−you prefer open worlds to structured puzzle chambers
−you quickly tire of repeated room-based puzzle solving

What players say

99% of 467,025 reviews are positive · 98% of 1,901 in the last 30 days

Players most often praise the physics puzzles, humor, writing, voice acting, and co-op campaign. Some players report controller, crash, and co-op progression problems; others find chambers repetitive or spend too much time searching for portal spots.

Screenshots and trailer

Portal 2 system requirements

As published by the developer.

Minimum

OS: Windows 7 / Vista / XP
Processor: 3.0 GHz P4, Dual Core 2.0 (or higher) or AMD64X2 (or higher)
Graphics: Video card must be 128 MB or more and with support for Pixel Shader 2.0b (ATI Radeon X800 or higher / NVIDIA GeForce 7600 or higher / Intel HD Graphics 2000 or higher).
Memory: 2 GB RAM
Storage: 8 GB available space
DirectX: Version 9.0c

PC version details

DRM, required accounts, controller support and Steam features.

DRM: None declared on Steam
Controller: Full controller support
Platforms: Windows, Linux
Achievements: 51
Steam features: Workshop, Cloud saves, Family Sharing, Trading cards

Steam Deck: Verified

All functionality is accessible with the default controller configuration
Shows Steam Deck controller icons
In-game text is legible on Steam Deck
Default graphics settings perform well on Steam Deck

Multiplayer and co-op

Languages

Full audio: English, French, German, Spanish - Spain, Russian. Text only: Czech, Danish, Dutch, Finnish, Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese - Portugal, Romanian, Simplified Chinese, Swedish, Thai, Traditional Chinese, Turkish, Bulgarian, Greek, Portuguese - Brazil, Spanish - Latin America, Ukrainian.