Konami's XBLA titles will be halved in a weekend-long sale.
From today until Monday you can pick up Castlevania: Harmony of Despair or Hard Corps for 600 Microsoft Points.
Dropping to 400 Microsoft Points from 800 are X-Men Arcade, Zombie Apocalypse, sequel Zombie Apocalypse: Never Die Alone, Castlevania: Symphony of the Night, Battle: Los Angeles, BurgerTime World Tour, Puddle and the Kinect title Leedmees.
Konami also note that Castlevania: Lords of Shadow's two DLC packs -Reverie and Resurrection - are also included in the sale, both retailing for 400 Microsoft Points.
If you haven't tried Symphony of the Night yet - now's your chance.