Portal 2 (Oct 19, 2010 prototype)

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Portal 2 (Oct 19, 2010 prototype)
Build date Oct 19, 2010 Dump status Released File release date August 29, 2026 Origin Steam Lot Steam2 Content Server Ownership Valve Game Portal 2 System PC Genre Puzzle Release date WW Apr 18, 2011

Do not upload

Please do not upload this prototype.

A prototype of Portal 2 for the PC.

Notes

• To run the game, you need to run hl2.exe with the arguments -game portal2 -tempcontent
• Depot ID is 852 and version is 4, and also 5 since the latter doesn't change anything the data file is blank.