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Obtaining Portal 2 achievements – Portal Wiki
https://theportalwiki.com/wiki/Obtaining_Portal_2_achievements
Obtaining Portal 2 achievements ; Wake Up Call Survive the manual override ; You Monster Reunite with GLaDOS ; Undiscouraged Complete the first …
Obtenir les Succès de Portal 2 – Portal Wiki
https://theportalwiki.com/wiki/Obtaining_Portal_2_achievements/fr
Obtenir les Succès de Portal 2. From the Portal Wiki. < Obtaining Portal 2 achievements.
Portal 2 Achievements – TrueAchievements
https://www.trueachievements.com/game/Portal-2/achievements
Full list of all 50 Portal 2 achievements worth 1000 gamerscore. It takes around 15-20 hours to unlock all of the achievements on Xbox 360.
Portal 2 all Achievements (sorted by types and by chapters)
https://steamcommunity.com/sharedfiles/filedetails/?id=142674839
SPOILERS!!! All achievements are sorted by types (single, co-op, story) and by chapters. Many YouTube videos were added.
Portal 2 Achievements and Trophies | Half-Life Wiki – Fandom
https://half-life.fandom.com/wiki/Portal_2_Achievements_and_Trophies
Portal 2 has 51 achievements on Steam, with 49 of them being worth a total of 1000 Gamerscore points on Xbox, and 52 trophies on PlayStation, …
Portal 2 Achievements and Trophies – Combine OverWiki
https://combineoverwiki.net/wiki/Portal_2_Achievements_and_Trophies
Co-operative – Achievements Guide | Portal 2
https://www.gamerguides.com/portal-2/guide/achievements-guide/co-operative/guide
Guide · Air Show · Narbacular Drop · Iron Grip · Triple Crown · Rock Portal Scissors · Empty Gesture · Portal Conservation Society · GamerGuides Vault.
Achievements / Trophies – Portal 2 Wiki Guide – IGN
https://www.ign.com/wikis/portal-2/Achievements_/_Trophies
Achievements / Trophies ; Air Show. Perform 2 aerial gestures before touching the ground in co-op ; Asking for Trouble. Taunt GLaDOS in front of a camera in each …