Civilization IV: Beyond the Sword vs Portal 2

A full spec-by-spec comparison of Civilization IV: Beyond the Sword vs Portal 2 — engine, performance, dimensions, features and price, with the differences highlighted to help you decide.

Specification Civilization IV: Beyond the Sword 2K Games, Aspyr Portal 2 Portal 2 Electronic Arts, Valve
Overview
Release Date June 24, 2007 April 18, 2011
Availability Released Released
Developer Firaxis Valve Software
Publisher 2K Games, Aspyr Electronic Arts, Valve
Official Site http://www.2kgames.com/civ4/beyondthesword/ http://www.thinkwithportals.com/
Age Rating Everyone 10+
Gameplay
Genre Strategy Shooter, Puzzle
Game Modes Single-player, Multiplayer Single-player, Multiplayer, Co-op, Online Co-op, Local Co-op
Average Playtime 3 hours 11 hours
Perspective First-person
Platforms & Pricing
Platforms PC, Apple Macintosh PC, PlayStation, Xbox, Apple Macintosh, Linux
Available On Steam Xbox Store, Steam, PlayStation Store, Xbox 360 Store
PC Requirements
Minimum Requirements Windows 2000 (plus Service Pack 1 or higher), Windows XP Home or Professional (plus Service Pack 1 or higher), or Windows Vista; 1.2GHz Intel Pentium 4 or AMD Athlon processor, 256 MB RAM, 64 MB video card with hardware T&L (GeForce 2, Radeon 7500 or better), DirectX 7 compatible sound card, 1.7 GB of free hard drive space, DirectX 9.0c (included) Recommended: 1.8GHz Intel Pentium 4 or AMD Athlon processor or equivalent (or better), 512 MB RAM, 128 MB video card with DirectX 8 support (pixel and vertex shaders), DirectX 7 compatible sound card, 1.7 GB of free hard drive space, DirectX 9.0c (included)
Critic & Community Scores
Metacritic 86 / 100 95 / 100
Community Rating 3.8 / 5 (162 ratings) 4.6 / 5 (6,108 ratings)