Portal 1

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SECRET Boss Dialogue - Portal 2

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Portal softlock speedrun

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Portal 1 Cut Content - Xen Ending / Chell in Xen

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OYNAMADIĞIM İÇİN UTANDIĞIM EFSANE OYUN SERİSİNİ SONUNDA BİTİRDİM!

1:04:51

Portal Is Perfect

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Portal - GLaDOS Originally Sang Happy Birthday In The Game

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The Plot of 'Portal 2' in One Minute

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portal radio but changes every time

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Portal’s ending song BROKE me

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The Solution to the Portal Paradox #shorts

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Portal - GLaDOs Boss fight + Credits song

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The Portal Speedrun That Gets Every Cube

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OQUE ACONTECE ENTRE PORTAL 1 & 2??

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Portal's Weird Beta Maps

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Секретная реплика в Portal | Совместно с @Dddoshh #portal #valve #skibiditoilet #игры

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All GLaDOS Versions - Portal

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Mini Portal Gun

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Portal 2 second ending you didn't know about!

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The Robot That Lied About Cake | GLaDOS | Full Portal Lore

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New VS Old Ending - Comparison | Portal with RTX

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Portal M4R10 - If Mario was in...Portal

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Portal's Rarest Dialogue | Camera Shy

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The Quest to Beat Portal Glitchless in Under 15 Minutes

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107 Portal 1 Facts YOU Should Know | The Leaderboard