Your top 10 most played games on Steam?

Team Fortress 2 - 1,305 hrs
PAYDAY 2 - 240 hrs
Borderlands 2 - 124 hrs
The Elder Scrolls V: Skyrim - 69 hrs
Left 4 Dead 2 - 58 hrs
Portal 2 - 47 hrs
Saints Row: The Third - 43 hrs
Garry's Mod - 43 hrs
Dragon's Prophet (EU) - 39 hrs
Sonic & All-Stars Racing Transformed - 39 hrs

Actually I have over 1000 hrs on Counter-Strike Source but it's on my brother's account.

Let's see here

1. Crusader Kings II - 461 hours
2. EU IV - 227 hours
3. CS GO - 208 hours
4. Skyrim - 150 hours
5. GTA V - 145 hours
6. Space Engineers - 76 hours
7. PAYDAY 2 - 71 hours
8. Just Cause 2 - 69 hours
9. Tropico 4 - 64 hours
10. Rome Total War II - 58 hours

I only play CS GO for idling, though I don't do it anymore. I just realize that I played Tropico 4 more than most of my other games.

1. Counter-Strike: Global Offensive 1282 hrs
2. Team Fortress 2 722 hrs
3. Counter-Strike: Source 562 hrs
4. Left 4 Dead 2 375 hrs
5. Grand Theft Auto: Episodes from Liberty City 370 hrs
6. Battlefield: Bad Company 2 200 hrs
7. Grand Theft Auto V 190 hrs
8. Call of Duty: Black Ops - Multiplayer 189 hrs
9. Left 4 Dead 108 hrs
10. Garry's Mod 74 hrs

Dark Souls: Prepare to Die Edition 137h
Dark Souls 2:SotFS 49h
Dota2 32h
POE 22h
TF2 18.6h
Pixel Piracy 13h (xD)

1. Counter Strike: Global Offensive - 276 hrs
2. Football Manager 2014 - 240 hrs
3. NBA 2k14 - 144 hrs
4. Football Manager 2015 - 125 hrs
5. NBA 2k13 - 107 hrs (should be around 1000 i played pirated version until june 2013)
6. The Elder Scrolls: Skyrim - 51 hrs
7. Assassins Creed II - 33 hrs
8. Batman: Arkham City - 30 hrs
9. Counter - Strike - 22 hrs (idk how many hours on non-steam version)
10. Grand Theft Auto IV - 22 hrs

Dota 2 - 2,089 hrs on record
Skullgirls - 406 hrs on record
Counter-Strike: Global Offensive - 346 hrs on record
The Elder Scrolls V: Skyrim - 309 hrs on record
Hyperdimension Neptunia Re;Birth1 - 192 hrs on record
Fallout: New Vegas - 187 hrs on record
Sakura Spirit - 181 hrs on record
Everlasting Summer - 168 hrs on record
eXceed 3rd - Jade Penetrate Black Package - 123 hrs on record
Danmaku Unlimited 2 - 113 hrs on record
I have no life c:

Without the idling game, I guess :

1. Skyrim - 176h
2. The Binding of Isaac (first version) - 153h
3. Garry's mod (=TTT) - 133h
4. Fall Out : New Vegas - 92h
5. Civilization V - 79h
6. The Binding of Isaac : Rebirth :- 60h
7. Dark Souls - 44h
   8-9 : GTA VI and V - 41h
8. Dark Souls 2 - 38h

1. Payday 2 - 229 hrs
2. Killing Floor - 189 hrs
3. Age of Empires II - 96 hrs (This would be #1 if I took into account the number of hours I spent playing the non-Steam version.)
4. Dead Island Riptide - 73 hrs
5. Dungeon Defenders - 71 hrs
6. Left 4 Dead 2 - 68 hrs
7. Team Fortress 2 - 51 hrs
8. Resident Evil 5 - 42 hrs
9. Garry's Mod - 39 hrs
10. Killing Floor 2 - 38 hrs

It is pretty sad to see that some games you just forgot running(not even playing, just getting the cards) take place in top 10. Oh well, if you forgot the game for 4+ days then.. ok :D