- Portal
- Portal/cs
- Portal/de
- Portal/es
- Portal/fi
- Portal/fr
- Portal/ja
- Portal/ko
- Portal/pl
- Portal/ru
- Portal/zh-hans
- Portal: Companion Collection
- Portal: Outside Influence
- Portal: Outside Influence/fr
- Portal: Outside Influence/pt-br
- Portal: Prelude
- Portal: Prelude/fr
- Portal: Prelude/ru
- Portal: Prelude Complex's Visit
- Portal: Prelude Complex's Visit/fr
- Portal: Prelude Final Battle
- Portal: Prelude Final Battle/fr
- Portal: Prelude GLaDOS' Boot
- Portal: Prelude GLaDOS' Boot/fr
- Portal: Prelude Morality Core's Quest
- Portal: Prelude Morality Core's Quest/fr
- Portal: Prelude Test Chamber 00
- Portal: Prelude Test Chamber 00/fr
- Portal: Prelude Test Chamber 00/pl
- Portal: Prelude Test Chamber 01
- Portal: Prelude Test Chamber 01/fr
- Portal: Prelude Test Chamber 02
- Portal: Prelude Test Chamber 02/fr
- Portal: Prelude Test Chamber 03
- Portal: Prelude Test Chamber 03/fr
- Portal: Prelude Test Chamber 03 (Bonus)
- Portal: Prelude Test Chamber 03 (Bonus)/fr
- Portal: Prelude Test Chamber 04
- Portal: Prelude Test Chamber 04/fr
- Portal: Prelude Test Chamber 04 (Bonus)
- Portal: Prelude Test Chamber 04 (Bonus)/fr
- Portal: Prelude Test Chamber 05
- Portal: Prelude Test Chamber 05/fr
- Portal: Prelude Test Chamber 05 (Advanced)
- Portal: Prelude Test Chamber 05 (Advanced)/fr
- Portal: Prelude Test Chamber 05 (Bonus)
- Portal: Prelude Test Chamber 05 (Bonus)/fr
- Portal: Prelude Test Chamber 06
- Portal: Prelude Test Chamber 06/fr
- Portal: Prelude Test Chamber 07
- Portal: Prelude Test Chamber 07/fr
- Portal: Prelude Test Chamber 07 (Bonus)
- Portal: Prelude Test Chamber 07 (Bonus)/fr
- Portal: Prelude Test Chamber 08
- Portal: Prelude Test Chamber 08/fr
- Portal: Prelude Test Chamber 08 (Bonus)
- Portal: Prelude Test Chamber 08 (Bonus)/fr
- Portal: Prelude Test Chamber 09
- Portal: Prelude Test Chamber 09/fr
- Portal: Prelude Test Chamber 09 (Advanced)
- Portal: Prelude Test Chamber 09 (Advanced)/fr
- Portal: Prelude Test Chamber 09 (Bonus)
- Portal: Prelude Test Chamber 09 (Bonus)/fr
- Portal: Prelude Test Chamber 10
- Portal: Prelude Test Chamber 10/fr
- Portal: Prelude Test Chamber 10 (Bonus)
- Portal: Prelude Test Chamber 10 (Bonus)/fr
- Portal: Prelude Test Chamber 11
- Portal: Prelude Test Chamber 11/fr
- Portal: Prelude Test Chamber 11 (Bonus)
- Portal: Prelude Test Chamber 11 (Bonus)/fr
- Portal: Prelude Test Chamber 12
- Portal: Prelude Test Chamber 12/fr
- Portal: Prelude Test Chamber 12 (Advanced)
- Portal: Prelude Test Chamber 12 (Advanced)/fr
- Portal: Prelude Test Chamber 12 (Bonus)
- Portal: Prelude Test Chamber 12 (Bonus)/fr
- Portal: Prelude Test Chamber 13
- Portal: Prelude Test Chamber 13/fr
- Portal: Prelude Test Chamber 13 (Bonus)
- Portal: Prelude Test Chamber 13 (Bonus)/fr
- Portal: Prelude Test Chamber 14
- Portal: Prelude Test Chamber 14/fr
- Portal: Prelude Test Chamber 14 (Advanced)
- Portal: Prelude Test Chamber 14 (Advanced)/fr
- Portal: Prelude Test Chamber 14 (Bonus)
- Portal: Prelude Test Chamber 14 (Bonus)/fr
- Portal: Prelude Test Chamber 15
- Portal: Prelude Test Chamber 15/fr
- Portal: Prelude Test Chamber 15 (Bonus)
- Portal: Prelude Test Chamber 15 (Bonus)/fr
- Portal: Prelude Test Chamber 16
- Portal: Prelude Test Chamber 16/fr
- Portal: Prelude Test Chamber 16 (Bonus)
- Portal: Prelude Test Chamber 16 (Bonus)/fr
- Portal: Prelude Test Chamber 17
- Portal: Prelude Test Chamber 17/fr
- Portal: Prelude Test Chamber 17 (Advanced)
- Portal: Prelude Test Chamber 17 (Advanced)/fr
- Portal: Prelude Test Chamber 17 (Bonus)
- Portal: Prelude Test Chamber 17 (Bonus)/fr
- Portal: Prelude Test Chamber 18
- Portal: Prelude Test Chamber 18/fr
- Portal: Prelude Test Chamber 18 (Bonus)
- Portal: Prelude Test Chamber 18 (Bonus)/fr
- Portal: Prelude Test Chamber 19
- Portal: Prelude Test Chamber 19/fr
- Portal: Prelude Test Chamber 19 (Advanced)
- Portal: Prelude Test Chamber 19 (Advanced)/fr
- Portal: Prelude Test Chamber 19 (Bonus)
- Portal: Prelude Test Chamber 19 (Bonus)/fr
- Portal: Reloaded
- Portal: Reloaded Introduction
- Portal: Reloaded Test Chamber 01
- Portal: Reloaded Test Chamber 25
- Portal: Revolution
- Portal: Still Alive
- Portal: Still Alive/cs
- Portal: Still Alive/es
- Portal: Still Alive/fi
- Portal: Still Alive/fr
- Portal: Still Alive/pl
- Portal: Still Alive/pt-br
- Portal: Still Alive/ru
- Portal: Still Alive/zh-hant
- Portal: Still Alive Test Chamber 10 (Bonus)
- Portal: Still Alive Test Chamber 10 (Bonus)/fr
- Portal: Still Alive Test Chamber 11 (Bonus)
- Portal: Still Alive Test Chamber 11 (Bonus)/fr
- Portal: Still Alive Test Chamber 12 (Bonus)
- Portal: Still Alive Test Chamber 12 (Bonus)/fr
- Portal: Still Alive Test Chamber 13 (Bonus)
- Portal: Still Alive Test Chamber 13 (Bonus)/fr
- Portal: Still Alive Test Chamber 14 (Bonus)
- Portal: Still Alive Test Chamber 14 (Bonus)/fr
- Portal: Still Alive Test Chamber 1 (Bonus)
- Portal: Still Alive Test Chamber 1 (Bonus)/fr
- Portal: Still Alive Test Chamber 1 (Bonus)/ru
- Portal: Still Alive Test Chamber 2 (Bonus)
- Portal: Still Alive Test Chamber 2 (Bonus)/fr
- Portal: Still Alive Test Chamber 3 (Bonus)
- Portal: Still Alive Test Chamber 3 (Bonus)/fr
- Portal: Still Alive Test Chamber 4 (Bonus)
- Portal: Still Alive Test Chamber 4 (Bonus)/fr
- Portal: Still Alive Test Chamber 5 (Bonus)
- Portal: Still Alive Test Chamber 5 (Bonus)/fr
- Portal: Still Alive Test Chamber 6 (Bonus)
- Portal: Still Alive Test Chamber 6 (Bonus)/fr
- Portal: Still Alive Test Chamber 7 (Bonus)
- Portal: Still Alive Test Chamber 7 (Bonus)/fr
- Portal: Still Alive Test Chamber 8 (Bonus)
- Portal: Still Alive Test Chamber 8 (Bonus)/fr
- Portal: Still Alive Test Chamber 9 (Bonus)
- Portal: Still Alive Test Chamber 9 (Bonus)/fr
- Portal: The First Slice
- Portal: The First Slice/es
- Portal: The First Slice/fi
- Portal: The First Slice/pt-br
- Portal: The First Slice/ru
- Portal: The Flash Version
- Portal: The Flash Version/pl
- Portal: The Flash Version/ru
- Portal: The Flash Version MapPack
- Portal: The Flash Version MapPack/fr
- Portal: The Flash Version MapPack/pt-br
- Portal: The Flash Version MapPack/ru
- Portal: The Flash version/es
- Portal: The Uncooperative Cake Acquisition Game
- Portal: The Uncooperative Cake Acquisition Game/pt-br
- Portal 2
- Portal 2/cs
- Portal 2/es
- Portal 2/fi
- Portal 2/fr
- Portal 2/ko
- Portal 2/pl
- Portal 2/ru
- Portal 2: Lab Rat
- Portal 2: Lab Rat/cs
- Portal 2: Lab Rat/es
- Portal 2: Lab Rat/fi
- Portal 2: Lab Rat/fr
- Portal 2: Lab Rat/ko
- Portal 2: Lab Rat/pl
- Portal 2: Lab Rat/pt-br
- Portal 2: Lab Rat/ru
- Portal 2: Perfect 10 (video)
- Portal 2: Perfect 10 (video)/fi
- Portal 2: Perfect 10 (video)/fr
- Portal 2: Perfect 10 (video)/pt-br
- Portal 2 - Educational Version
- Portal 2 - Educational Version/es
- Portal 2 - Educational Version/ru
- Portal 2 - The Final Hours
- Portal 2 - The Final Hours/es
- Portal 2 - The Final Hours/pt-br
- Portal 2 ARG
- Portal 2 ARG/fr
- Portal 2 ARG/pl
- Portal 2 ARG/pt-br
- Portal 2 ARG/ru
- Portal 2 Authoring Tools
- Portal 2 Authoring Tools/es
- Portal 2 Authoring Tools/fi
- Portal 2 Authoring Tools/fr
- Portal 2 Authoring Tools/ja
- Portal 2 Authoring Tools/ko
- Portal 2 Authoring Tools/pt-br
- Portal 2 Authoring Tools/ru
- Portal 2 Chapter 1 Her Chamber
- Portal 2 Chapter 1 Her Chamber/fi
- Portal 2 Chapter 1 Her Chamber/fr
- Portal 2 Chapter 1 Her Chamber/ru
- Portal 2 Chapter 1 Her Chamber/zh-hans
- Portal 2 Chapter 1 Her Chamber/zh-hant
- Portal 2 Chapter 1 Incinerator
- Portal 2 Chapter 1 Incinerator/fr
- Portal 2 Chapter 1 Incinerator/ru
- Portal 2 Chapter 1 Incinerator/zh-hant
- Portal 2 Chapter 1 Introduction
- Portal 2 Chapter 1 Introduction/fi
- Portal 2 Chapter 1 Introduction/fr
- Portal 2 Chapter 1 Introduction/pl
- Portal 2 Chapter 1 Introduction/ru
- Portal 2 Chapter 1 Introduction/zh-hant
- Portal 2 Chapter 1 Test Chamber 1
- Portal 2 Chapter 1 Test Chamber 1/fi
- Portal 2 Chapter 1 Test Chamber 1/fr
- Portal 2 Chapter 1 Test Chamber 1/pl
- Portal 2 Chapter 1 Test Chamber 1/ru
- Portal 2 Chapter 1 Test Chamber 1/zh-hant
- Portal 2 Chapter 1 Test Chamber 2
- Portal 2 Chapter 1 Test Chamber 2/fi
- Portal 2 Chapter 1 Test Chamber 2/fr
- Portal 2 Chapter 1 Test Chamber 2/pl
- Portal 2 Chapter 1 Test Chamber 2/ru
- Portal 2 Chapter 1 Test Chamber 2/zh-hant
- Portal 2 Chapter 1 Test Chamber 5
- Portal 2 Chapter 1 Test Chamber 5/fi
- Portal 2 Chapter 1 Test Chamber 5/fr
- Portal 2 Chapter 1 Test Chamber 5/ru
- Portal 2 Chapter 1 Test Chamber 5/zh-hant
- Portal 2 Chapter 1 Test Chamber 6
- Portal 2 Chapter 1 Test Chamber 6/fi
- Portal 2 Chapter 1 Test Chamber 6/fr
- Portal 2 Chapter 1 Test Chamber 6/ru
- Portal 2 Chapter 1 Test Chamber 6/zh-hant
- Portal 2 Chapter 1 Test Chambers 3 & 4
- Portal 2 Chapter 1 Test Chambers 3 & 4/fi
- Portal 2 Chapter 1 Test Chambers 3 & 4/fr
- Portal 2 Chapter 1 Test Chambers 3 & 4/ru
- Portal 2 Chapter 1 Test Chambers 3 & 4/zh-hant
- Portal 2 Chapter 1 Test Chambers 7 & 8
- Portal 2 Chapter 1 Test Chambers 7 & 8/de
- Portal 2 Chapter 1 Test Chambers 7 & 8/fr
- Portal 2 Chapter 1 Test Chambers 7 & 8/ru