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| Portal | |
|---|---|
| Basic Information | |
Type(s) |
Series |
| Valve Software | |
| Action, Puzzle | |
| PlayStation 3, Xbox 360, Microsoft Windows, macOS and GNU/Linux | |
The Portal series is a series developed by Valve Software. It currently contains two games, Portal and Portal 2, although the demo of the first game, Portal: The First Slice and the first game's Xbox 360 port, Portal: Still Alive, should also be considered part of this series.
| Half-Life series | Half-Life [Blue Shift · Deathmatch: Source · Counter-Strike · Opposing Force · Source] · Half-Life 2 [Deathmatch · Episode One · Episode Two · Lost Coast · Survivor] |
|---|---|
| Portal series | |
| Counter-Strike series | Counter-Strike · Counter-Strike: Source · Counter-Strike: Condition Zero [Deleted Scenes] · Counter-Strike: Global Offensive |
| Day of Defeat series | |
| Left 4 Dead series | |
| Team Fortress series | |
| Other video games | |
| Bundles & Special Editions | |
| Other Hardware & Software | SteamOS · Steam Controller · Steam Controller Carrying Case · Steam Controller Battery Door · Steam Controller Wireless Receiver · Steam Link · Steam Machine |