Portal 2 achievements

Portal 2

4.6 from 8535 votes

There are a maximum of 50 Portal 2 achievements worth 1,626 (1,000)

93,973 tracked gamers have this game, 10,874 have completed it (11.57%) | 361 want to boost

Achievement Details

Door Prize in Portal 2

Door Prize32 (20)

Offline Game Mode - These achievements require play in game modes that do not require a connection to any live services, such as Xbox Live.Single Player - These achievements can be obtained by a single player.Collectable - These achievements are obtained by exploring the game environment to find a set of unique objects. Examine all the vitrified test chamber doors

Achievement Guide for Door Prize

246,674 (155,188)
Achievement won on 21 Apr 11
TA Score for this game: 1,626
Posted on 21 April 11 at 01:23, Edited on 18 August 12 at 21:20
This solution has 113 positive votes and 11 negative votes. Please log in to vote.
This is in chapter 6 titled "The Fall"
This viedo by IGN will show u a step by step guides to getting the door prize achievement. i have also been informed that u can also get this achievement through the challenges modes Cave Johnson and PatatOS. i hope this helps u in your quest to a thousand in portal 2
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