There's also Tomb Raider GOTY edition, The Last Remnant, Final Fantasy VIII, Hitman: Absolution and even Urban Chaos. Each use Steamworks to deliver the goods.
It's possible this Easter sale may appear on Steam itself but this is just as good if the discounts remain on par as you still get it for Steam anyway.
All but Hitman: Absolution is 66% off while the others are 50%. Thief: Master Thief Edition tumbles from £23.99 to £16.49, and Tomb Raider GOTY promises an island adventure for just £12.49. Check out the.