My tradeable Steam games for TF2 / Dota2 Keys:
1 Key each
2x Adventures of Shuggy
6x Bad Rats: the Rats' Revenge
Booster Trooper
Caster
Commandos 2: Men of Courage
2x Commandos 3: Destination Berlin
Cubemen
2x Defy Gravity Extended
2x Dead Hungry Diner
Dinner Date
English Country Tune
Fowl Space
Greed: Black Border
2x Home
iBomber Attack
2x iBomber Defense
2x iBomber Defense Pacific
2x Insecticide Part 1
4x Iron Warriors: T - 72 Tank Command
29x Just Cause
2x Obulis
5x Penny Arcade's On the Rain-Slick Precipice of Darkness 3
Puzzle Agent
Puzzle Dimension
2x Roogoo
3x Serious Sam: The Random Encounter
Storm in a Teacup
4x The Political Machine 2012
11x The Ship - Complete Pack
2x Tidalis
8x Time Gentlemen, Please! and Ben There, Dan That! Special Edition Double Pack
6x Toki Tori
2x Twin Sector
2 Keys each
3x APOX
Cargo Commander
2x Cogs
Darwinia
Demigod
2x Fireburst
2x FlatOut
FlatOut 2
Half-Life 2
Half-Life 2: Episode One
2x Hamilton's Great Adventure
HOARD
Ironclads: Anglo Russian War 1866
Magicka
Metal Drift
3x NightSky
5x Nuclear Dawn
Portal
2x Razor2: Hidden Skies
2x Renegade Ops
3x Serious Sam 2
Sniper Ghost Warrior Gold Edition
Space Pirates and Zombies
2x Star Wolves
Terraria
Thomas Was Alone
Total War Battles: SHOGUN
2x Trine
3x Tryst
Zeno Clash
3 Keys each
A Valley Without Wind 1 & 2
Alan Wake Franchise
Portal 2
2x Serious Sam HD: The First Encounter
3x Trine 2: Complete Story
Worms Revolution
4 Keys each
Alice: Madness Returns
2x The Elder Scrolls III: Morrowind® Game of the Year Edition
8 Keys each
3x Serious Sam Complete Pack
Total War Mega Pack
Warhammer 40,000: Dawn of War II - Complete Pack
Dead Island: Game of the Year Edition , Left 4 Dead GOTY ,Saints Row: The Third - The Full Package , Portal 2 2 X
How about Red Faction Collection for just 4 keys?
Check it out: http://store.steampowered.com/sub/15630/
The Title says it