Grab 33% off in the first day of the Steam Holiday Sale.
BioShock Infinite also in the deal, but its cut down price of £34.99 begs to differ.
A playable side-story centred on LQ-84i.
Thought to be in the region of only 64,000 units.
First new content coming to Revengeance on March 13.
FIFA 13 climbs to No.2, with Metal Gear Rising slipping to third.
Aliens: Colonial Marines sales drop 84 per cent week on week.
He'll fight against nano machine zombies.
Access the same tools used by renowned Metal Gear lead artist Yoji Shinkawa.
All in aid of promoting Metal Gear Rising: Revengeance.