Portal 2 vs Half-Life 2: Episode One comparison

Show Only Differences Highlight Differences	Portal 2	Half-Life 2: Episode One
key specs
Genre	Puzzle	Shooter
Platform	Nintendo Switch, PlayStation 3 (PS3), Xbox 360, PC: Windows, PC: macOS, PC: Linux	PlayStation 3 (PS3), Xbox 360, PC: Windows
Modes	Single-player, Multiplayer	Single-player
Series	Portal	Half-Life
PEGI Rating	7+	18+
general
Brand	Valve	Valve
Model	Portal 2	Half-Life 2: Episode One
Release date	April 22, 2011	October 19, 2007
Publisher	Valve	Valve
Developer	Valve	Valve
Director	Joshua Weier	Robin Walker
Producer	Gabe Newell	Bill Van Buren
Writer	Erik Wolpaw, Jay Pinkerton, Chet Faliszek	Erik Wolpaw, Chet Faliszek
Composer	Mike Morasky	Kelly Bailey
Genre	Puzzle	Shooter
Series	Portal	Half-Life
Age Rating (PEGI)	7+	18+
Platform	Nintendo Switch, PlayStation 3 (PS3), Xbox 360, PC: Windows, PC: macOS, PC: Linux	PlayStation 3 (PS3), Xbox 360, PC: Windows
Game Modes	Single-player, Multiplayer	Single-player
DLC	-	Yes
Always online	-	No

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