Portal 2 vs S.T.A.L.K.E.R.: Clear Sky

A full spec-by-spec comparison of Portal 2 vs S.T.A.L.K.E.R.: Clear Sky — engine, performance, dimensions, features and price, with the differences highlighted to help you decide.

Specification Portal 2 Portal 2 Electronic Arts, Valve S.T.A.L.K.E.R.: Clear Sky GSC Game World, GSC World Publishing
Overview
Release Date April 18, 2011 August 22, 2008
Availability Released Released
Age Rating Everyone 10+ Adults Only
Developer Valve Software GSC Game World
Publisher Electronic Arts, Valve GSC Game World, GSC World Publishing
Official Site http://www.thinkwithportals.com/ http://www.stalker-game.com/
Gameplay
Genre Shooter, Puzzle Shooter, RPG
Game Modes Single-player, Multiplayer, Co-op, Online Co-op, Local Co-op Single-player, Multiplayer
Perspective First-person First-person
Average Playtime 11 hours 3 hours
Platforms & Pricing
Platforms PC, PlayStation, Xbox, Apple Macintosh, Linux PC, PlayStation, Xbox, Nintendo
Available On Xbox Store, Steam, PlayStation Store, Xbox 360 Store Nintendo eShop, Xbox Store, PlayStation Store, GOG, Steam
Critic & Community Scores
Metacritic 95 / 100 75 / 100
Community Rating 4.6 / 5 (6,108 ratings) 3.9 / 5 (897 ratings)
PC Requirements
Minimum Requirements — Supported OS: Microsoft® Windows® XP(Service Pack 2)/Microsoft® Windows® 2000 SP4 Processor: Intel Pentium 4 2.0 Ghz / AMD XP 2200+ Graphics: 128 MB DirectX® 8.0 compatible card / nVIDIA® GeForce™ 5700 / ATI Radeon® 9600 Memory: 512 MB RAM Sound: DirectX® 9.0 compatible sound card Hard Drive: 10 GB free hard disc space
Recommended Requirements — Supported OS: Microsoft® Windows® XP/Vista (SP1) Processor: Intel Core 2 Duo E6400 / AMD 64 X2 4200+ Graphics: 256 MB DirectX® 9.0c compatible card* / nVIDIA® GeForce™ 8800 GT / ATI Radeon® HD 2900 XT Memory: 2 GB RAM Sound: DirectX® 9.0 compatible sound card Hard Drive: 10 GB free hard disc space