Portal 2
1,571
(1,000)

Portal 2

4.6 from 7619 votes
 

There are a maximum of 50 Portal 2 achievements worth 1,571 (1,000)

72,746 tracked gamers have this game, 9,628 have completed it (13.24%) | 355 want to boost

Achievement Details

Door Prize in Portal 2

Door Prize31 (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 using a single controller.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

AuthorSolution
SwordOfTheAngel
212,022 (138,693)
SwordOfTheAngel
Achievement won on 21 Apr 11
TA Score for this game: 1,571
Posted on 21 April 11 at 01:23, Edited on 18 August 12 at 21:20
This solution has 110 positive votes and 10 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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