Please note the availability of two new Live Arcade Marketplace: while the first is the sci-fi action game from Team 17 Alien Breed 3: Descent ( web ), the second is a modern classic Pac-Man Championship Edition DX ( web link ), the latter part of the Namco Generations, an interesting collection of titles produced by Namco dedicated to the nostalgia that will be offered regularly on Live Arcade. The games cost 800 Microsoft Points each.