Valve has announced that for this weekend only the THQ Collector Pack will be available on Steam for 25 per cent off its regular price. This means that for under £40 you get 13 games including Relic's Dawn of War II.

In addition to Relic's latest in the Warhammer franchise, your money will also get you:

Company of Heroes

Company of Heroes: Opposing Fronts

Frontlines: Fuel of War

Juiced 2: Hot Import Nights

S.T.A.L.K.E.R.: Shadow of Chernobyl

Titan Quest

Titan Quest - Immortal Throne

Warhammer 40,000: Dawn of War - Dark Crusade

Warhammer 40,000: Dawn of War - Gold Edition

Warhammer 40K: Dawn of War - Soulstorm

Full Spectrum Warrior* and

Full Spectrum Warrior: Ten Hammers

That's a lot of gaming for £40.