First giveaway you entered was...

Mass Effect 2 - 1646 entries

Duke Nukem Forever - 3333 entr.

Fortix
Closed 11 months ago
http://www.steamgifts.com/giveaway/tcvud/fortix
FORTIX IS EVERYWHERE

ARMA II, Closed 7 months ago, 1679 entries, ended 7 months ago
Funfact: winner did not receive the game. Poor guy :(

Super Meat Boy
973 Entries
Ended 1 year ago

Looking at those last few pages, none of the giveaways had over 1k people heh, most under 500

audiosurf (1829 entries) 7 months ago

Terraria
Closed 4 months ago
653 entries.
http://www.steamgifts.com/giveaway/6CdDu/terraria

The Longest Journey + Dreamfall - Closed 7 months ago

From Dust -11m ago

Mafia II: Greaser Pack DLC, closed 11 months ago, 93 entries.

The Binding of Isaac - 2 months ago ! I really wanted it, but ended up buying it, becouse i couldn't wait! XD

Stubbs the Zombie in Rebel Without a Pulse, Closed 1 year ago, 403 entries.

EDGE Closed 2 months ago

I ended up buying it too :P

Stalker - Call of Pripyat ,closed 7 months ago

counter strike global offensive yesterday

The Ship - Complete Pack

Half-Life 2: Episode One
Entries: 863

Oblivion, followed by Portal then a ton of Terraria giveaways. Never won any of those! :P

Left 4 Dead
Closed 7 months ago
1429
7 months ago

Neverwinter Nights 2 Platinum. 6 months ago

Eufloria.

Humble Indie Bundle #2 (2 Copies)
Closed 9 months ago
1239
9 months ago

Serious Sam Classic: First Encounter (Closed 5 months ago) because i missed the Serious Sam Indie Royale bundle..ended up buying the whole SS collection

Humble Indie Bundle #3,10 months ago.