Portal themed content updates: The Ball, Amnesia, AaaAA!!, Audiosurf and more...

I only just noticed a bunch of games on my steam list downloading (sizeable) updates, checked the updates listed, low and behold:

http://store.steampowered.com/news/

Toki Tori Update Released Product Update - Valve Updates to Toki Tori have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

• SOS

12:40 Amnesia: The Dark Descent Update Released Product Update - Valve Amnesia: The Dark Descent gets a free expansion!

Now with 20% more horror and 10% less cake. Enjoy this brand new flavor of canned horror - manufactured with license by Aperture Science.
(might contain traces of potatoes)

12:40 AudioSurf Update Released Product Update - Valve Updates to AudioSurf have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

12:40 AaAaAA!!! - A Reckless Disregard for Gravity Update Released Product Update - Valve

• We couldn't stop her.
  
• Please help us. Please help us. Please help us. Please help us. Please help us. Please help us.
• You would hate me if I insulted your skill by making it too easy. I certainly would Hate you.

2:39 BIT.TRIP BEAT Update Released Product Update - Valve Updates to BIT.TRIP BEAT have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

• Temporary GLaDOS integration activated
• level implementation complete
• level accolades implemented
• Cryptographic clues cleverly disguised
• Evaluation of perfection within human test subjects imminent -- outcome not expected to be positive

2:39 The Ball Update Released Product Update - Valve Updates to The Ball have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

• Major new content added - 7 locally optimized test chambers made available
• Includes Edgeless Artifact Cube
• Any appearance of computerized objects is not part of the official testing protocols, but is an unintended side effect of the Aperture Science facilities

12:38 RUSH Update Released Product Update - Valve Updates to RUSH have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

• Fixed update in Spanish localization
• Added Stochastic Level Enrichment Process

12:38 Defense Grid Update Released Product Update - Valve Updates to Defense Grid have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

• Tesla towers fixed and updated
• Console fixed and updated
• Recruits fixed and updated
• CHAS levels fixed and updated

12:38 Cogs Update Released Product Update - Valve Updates to Cogs have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

• Fixed an install bug for non-English localizations.
• Stripped away the thin veneer of politeness by removing any requirements to speak magic words... But don't think I didn't consider "abracadabra."

12:35 Wonderful End of the World Update Released Product Update - Valve

• IT'S NOT FINE.
  
• WHATEVER YOU DO, DO NOT USE ANY SUGAR.
• Don't worry. Changes are here.

-

More if anyone can find them?

I've seen posts for the new Amnesia chapter: Justine, and I'm tempted to give The Ball update a shot..

TF2 has some

CSS had one i believe

1 2 3 kick it had one

i also believe that bioshock 1 or 2 had one

Only the potato sack games are relevant.


Killing Floor received a Portal 2 themed level.

It's just for the games in the Potato Sack thing

I tried the Bit.Trip Beat bonus level... and it's quite insane.

What was added into amnesia? SAGE_OF_FIRE

What was added into amnesia? SAGE_OF_FIRE