- 7 February 2012 – On the Portal 2 Blog, Valve announces the merging of the Skyrim and Portal universes through DLC that puts the Space Core in Skyrim along with the player.
- 28 October 2011 – The Portal 2 team gives us a sneak peek into the upcoming level editor, which will make it easy to create, play, and share your own Portal 2 puzzles.
- 6 October 2011 – Three Portal 2-related contests have been featured on the blog! Dark Horse is hosting a machinima contest, with books to win; J!NX is hosting a MS Paint drawing contest, with a Valve-signed lithograph for 10 winners; and Steel Series' Portal 2 mousepad need your votes in the "Input Device Surface Visual Collaborative Feedback Initiative"!
- 4 October 2011 – Valve has released free DLC for Portal 2, Peer Review, featuring a new co-op adventure and challenge versions of certain test chambers for single player. Portal 2 is also 50% off, so go buy it now if you still haven't. For Science.
- 30 September 2011 – Valve has released the final volume of the Portal 2 soundtrack, and now has an option of downloading all of the tracks into one package. Additional ringtones have also been included.
Documentation
Please keep only the latest 5 "news" within the template. . Move expired news entries below (latest on top):
- 15 September 2011 – Valve announces Learn With Portals (external link), a project planning to utilise the Portal franchise within education to aid in teaching physics and critical-thinking skills. As a promotion of this, Portal is available free until the 20 September, 2011.
- 9 August 2011 – The winners of the Portal 2 Music Video Contest are announced. Go check out the winners!
- 1 July 2011 – The official blog announces Songs to Test By: Volume 2 - the second of 3 volumes for the Portal 2 soundtrack. Additional ringtones have been added to the music mini-site alongside Volume 2.
- 27 June 2011 – The official blog announces thinkingwithportals.com's Summer Mapping Initiative Winners. The winning levels are Patent Pending and Infinifling; Edifice received an honorable mention.
- 16 June 2011 – The Portal 2 Sixense MotionPack DLC has been released. All Razer Hydra (Steam store) owners receive both Portal 2 and the Sixense MotionPack DLC free.
- 15 June 2011 – The official blog announces the Portal 2 Music Video Contest, where fans can create & enter music videos for Exile Vilify by The National. The contests accepts entries until the 15th of July, and prizes include a guitar signed by The National, and box of schwag from Valve & Jinx.
- 25 May 2011 – The official blog announces Songs to Test By - the first volume, of 3, of the Portal 2 soundtrack. The full soundtrack is free-to-download, and there are additional short "ringtone" tracks available on the music mini-site.
- 24 May 2011 – The official blog announces the Summer Mapping Initiative, a contest ran by thinkingwithportals.com in which mappers can create their own test chambers which will be judged on their "puzzle complexity, visual appeal and tonal fidelity (50s design, contemporary design, etc.)".
- 18 May 2011 – The official blog announces that Portal 2 - The Final Hours is now available on Steam.