Best Lan Party Games?

[Warchief]

So i love to host these lan parties at my place and so far we have played games like
star wars battlefront 2
Minecraft
Diablo 2

But after 6 hours of battlefront and 1 hour of minecraft and maybe like 30 min of wandering around in diablo we watch netflix and eat pizza and all that, so i was wondering what are some great lan party games?

[Squaakz]

Arma 2 Mods, like overpochs and such, very fun with friends, since you can do basically what ever you want.

Company of Heroes if you want to see who rules

[Itsy bitsy Usitka]

Left 4 Dead 1 or 2

[Emilio]

Killing floor.

[Ineffable Anathema]

Killing Floor, Left4Dead2, Murder Miners, Monaco, Worms Armageddon, No More Room In Hell, Borderlands, Borderlands 2, Serious Sam 3 BFE, Castle Crashers, Depth, Hammerwatch, Dino D Day, Plain Sight, Risk of Rain, Quake Live, Terraria, Torchlight 2.

[Riki-Oh]

Brawhalla

[Electric Cupcake]

Skulltag Doom.
Quake

[Xiaopang]

Age of Empires II