Super Meat Boy - Valve
Fixes:
-Added keyboard controls for the replays menu
-Fixed a bug where Meat Ninja disappeared when a game was reloaded with him unlocked
-Fixed a bug where percentages would add up to 107%...the max is 106%.

Greed Corp - Valve
Greed Corp is now available on Steam!

This turn-based strategy game challenges you to find the delicate balance between harvesting the land for resources and preserving it to stay alive. Destroy your enemies, or destroy the very land they stand on, before they do it to you!

Enjoy 10% off for the first weeks. Ends December 17th, 10 am Pacific Time.

Booster Trooper - Valve
Updates to Booster Trooper have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Booster Trooper
  • Added: new map - Hidden Caves
  • Fixed: rare crash
Puzzle Dimension - Valve
Updates to Puzzle Dimension have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:
  • Fixed bug with game taking forever to start when Steam is offline.
  • Improved threaded loading of save data.
  • Preload all static sounds; less CPU intense playback.
  • Added glowing particles in wood theme teleporter.
  • CPU optimized sound system.
  • Various rendering optimizations in water theme.
Global Agenda: Free Agent - Valve
Updates to Global Agenda have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

New Merc PvP Maps
  • Himalayan Point: Breach-style map. Scenes from this map can be seen in the original Global Agenda “talking heads” trailer.
AvA Strike Forces bidding on hexes are now required to have at least 6 members of the bidding agency on the Strike Force.
  • There is still no minimum required number of agency members in order to defend an AvA hex.
Bugs Fixed in Version 1.39.1
  • Some BoE weapons could not be added to the Auction House.
  • The AvA Defence Facility Map had a Beacon glitch which has been fixed
Known Issues
  • Ranged stats on robotics devices are not functioning.
  • Some players are receiving error messages when attempting to whisper a friend.
  • Flame turrets get overly excited when placed in certain areas and will bounce, then destroy themselves.
Team Fortress 2 - Valve
Updates to Team Fortress 2 have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Team Fortress 2
  • Fixed the coin particles effect on the Treasure Hat
  • Fixed some of the deathnotice icons using the wrong colors
Nation Red - Valve
Updates to Nation Red have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Nation Red
  • Introducing new player class system with 4 new types: Special Weapons, Gunner, Medic and Scout. Use the Player Profiles to select your class.
  • New interface, including the option to disable the video background
  • New bronze, silver and gold star based mission rating system
  • New Perks:
    • Bomb Threat: All explosions (including enemy detonations) are 25 percent more powerful
    • Living The Moment:During Bullet Time, get 25 percent faster reload speed and 25 percent more XP
    • Apparition: Doubles the chance of a ghost powerup appearing
    • Strike Team: Combines with the ghost pickup to equip them with AA-12 automatic shotguns (Requires Fire Team)
    • Heavy Sentries: Increases damage done by sentry guns and NPC soldiers by 25 percent
    • Mercenary: Extends combo streak by 50 percent for increased XP
  • New Achievements:
    • Gunslinger: Complete any mission on 3 silver-star level using only the default Glock
    • 2x9mm: In one game kill 2 bosses using the Dual Glocks
    • Walker: Complete the Walker mission on any silver or gold star level
    • DOA: Enable DOA mode in Free Play and kill 50 zombies during one DOA ghost pickup
  • New Powerup:
    • Incendiary: Sets any zombie target on fire when shot
  • New .50 Cal Sniper Rifle weapon
  • New 3D positional sound option
  • 7 Perk slots are available to pick instead of previous 5
  • Perks can be picked from list by hitting 1-7 number keys
  • Several bug fixes and additions
Super Meat Boy - Valve
Fixes:
-Fixed a bug with achievements not awarding on load if the user does not have them
-Fixed a bug where The Kid was not selectable
-Fixed a bug where certain bandage characters were not selectable

Supreme Commander 2 - Valve
Updates to Supreme Commander 2 have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Supreme Commander 2
  • Removed a resource generation exploit
  • Updated Mac version compatibility
Amnesia: The Dark Descent - Valve
Take advantage of the Weekend Deal and save 50% on Amnesia!

The last remaining memories fade away into darkness. Your mind is a mess and only a feeling of being hunted remains. You must escape.

...