Half-Life: Opposing Force vs Portal 2

A full spec-by-spec comparison of Half-Life: Opposing Force vs Portal 2 — engine, performance, dimensions, features and price, with the differences highlighted to help you decide.

Specification Half-Life: Opposing Force Valve Portal 2 Portal 2 Electronic Arts, Valve
Overview
Release Date November 19, 1999 April 18, 2011
Availability Released Released
Age Rating Mature Everyone 10+
Developer Gearbox Software Valve Software
Publisher Valve Electronic Arts, Valve
Official Site http://www.thinkwithportals.com/
Gameplay
Genre Action, Shooter Shooter, Puzzle
Game Modes Single-player, Multiplayer, Co-op Single-player, Multiplayer, Co-op, Online Co-op, Local Co-op
Perspective First-person First-person
Average Playtime 3 hours 11 hours
Platforms & Pricing
Platforms PC, Apple Macintosh, Linux PC, PlayStation, Xbox, Apple Macintosh, Linux
Available On Steam Xbox Store, Steam, PlayStation Store, Xbox 360 Store
PC Requirements
Minimum Requirements 500 mhz processor, 96mb ram, 16mb video card, Windows XP, Mouse, Keyboard, Internet Connection Recommended: 800 mhz processor, 128mb ram, 32mb+ video card, Windows XP, Mouse, Keyboard, Internet Connection
Critic & Community Scores
Community Rating 3.9 / 5 (750 ratings) 4.6 / 5 (6,108 ratings)
Metacritic 95 / 100