If you didn't know yet, Steam's giving away 100 games.
Also, I'll try to list all of the objectives so far in this topic:
6th and 7th of December
Self Portrait
Setup an avatar
Got Tanked?
Become a Desert Fox in R.U.S.E.
Up the Ante
Unlock The Iron Curtain in Poker Night at the Inventory
More Cowbell
Set a leaderboard score of at least 1,124,400 in easy (9 minute) mode for the 'Paul Hartnoll' level in Chime
8th and 9th of December
Friends with Benefits
Have 10 friends on your friends list
What Happens in Vegas
Complete Ol' Buddy Ol' Pal achievement in Fallout: New Vegas
Terminal Velocity
Set a leaderbord score of at least 22,600 on the level 'Mash Face Against Mountain' in AaAaAA!!!
Go To Your Happy Place
Play the demo or game The UnderGarden
10th and 11th of December
Join the Club
Join an Official Group
Family-Style
Get Back in Business in Mafia II
Stack the Deck
Be a Devastator in Magic: The Gathering
Just Drop It
Set a leaderboard score of at least 85,370 for 'Classic - Small Wonder' in Droplitz
12th and 13th of December
It's Better to Give
Send a gift to a friend
Take One for the Team
Make a Sacrifice in Call of Duty: Black Ops
Breaker, Breaker
Set a leaderboard score of at least 11,200,000 for 'Bonus Mode' in Shatter
Zombie Zoo
Create a Crass Menagerie in Left 4 Dead 2
14th and 15th of December
Steam Gimme (formerly known as "Sneak Peek")
Turns out this one is kind of hard to track. All eligible Steam accounts are now entered for this objective. Nice work!
Tunnel Vision
Become a Nosalis Hunter in Metro 2033
Cause and Effect
Create a Destruction Frenzy in Just Cause 2
Beat It
Set a leaderboard score of at least 3,770,488 for 'Survival Best Score' in Beat Hazard
Also, I'll try to list all of the objectives so far in this topic:
6th and 7th of December
Self Portrait
Setup an avatar
Got Tanked?
Become a Desert Fox in R.U.S.E.
Up the Ante
Unlock The Iron Curtain in Poker Night at the Inventory
More Cowbell
Set a leaderboard score of at least 1,124,400 in easy (9 minute) mode for the 'Paul Hartnoll' level in Chime
8th and 9th of December
Friends with Benefits
Have 10 friends on your friends list
What Happens in Vegas
Complete Ol' Buddy Ol' Pal achievement in Fallout: New Vegas
Terminal Velocity
Set a leaderbord score of at least 22,600 on the level 'Mash Face Against Mountain' in AaAaAA!!!
Go To Your Happy Place
Play the demo or game The UnderGarden
10th and 11th of December
Join the Club
Join an Official Group
Family-Style
Get Back in Business in Mafia II
Stack the Deck
Be a Devastator in Magic: The Gathering
Just Drop It
Set a leaderboard score of at least 85,370 for 'Classic - Small Wonder' in Droplitz
12th and 13th of December
It's Better to Give
Send a gift to a friend
Take One for the Team
Make a Sacrifice in Call of Duty: Black Ops
Breaker, Breaker
Set a leaderboard score of at least 11,200,000 for 'Bonus Mode' in Shatter
Zombie Zoo
Create a Crass Menagerie in Left 4 Dead 2
14th and 15th of December
Steam Gimme (formerly known as "Sneak Peek")
Turns out this one is kind of hard to track. All eligible Steam accounts are now entered for this objective. Nice work!
Tunnel Vision
Become a Nosalis Hunter in Metro 2033
Cause and Effect
Create a Destruction Frenzy in Just Cause 2
Beat It
Set a leaderboard score of at least 3,770,488 for 'Survival Best Score' in Beat Hazard