Left 4 Dead 2.

Portal and Half Life were on 75% sale yesterday!

All of them!!

Left 4 Dead 2

PORTAL 2

left 4 dead 2, practically get the first game with as you get all the first games maps plus the new dlc is coming out soon:)

LEFT FOR DEAD 2 all the way, like they said before the other two had their chance let get us some zombie action!!!

ANAN

Already have the 3 games, and they will all be 75% off during summer sale. Voted for portal 2 though.

Portal 2, more people, more new maps, more people to play in cooperative.

Left 4 Dead 2 FTW

Left 4 dead 2.

I voted for HL2 cause I missed buying it earlier and still need those

Half Life 2

L4D2!!

yesterday portal 2 was 75% discount so got it then for 5€ so my vote goes to L4D2

Half-Life 2 because I want to see a lot of giveaways for this game. :)

Portal 2 Because This Game IS RAINBOW PONNY POWA :D

how about, life 4 portal 2

Half for Portal 3 TFWWWWWWWWWWWWWW!!!!

Left 4 dead 2 - finally gonna buy it :D (hope it will be chosen)

Portal 2 imo (I haven't played l4d though).

L4D2!

Half Life and Portal already had sales, Left for Dead has not.

I'd say Portal 2, it's awesome.