G4 TV – TheFeed It’s taken a little longer than usual for the NPD Group to deliver the sales data for May, but the numbers aren’t too surprising. Both Red Dead Redemption and Super Mario Galaxy 2, expected to be the leaders for the software side in May, sold very well. Take-Two shares climb after game sales report shows solid showing  - Simple Thoughts – Java and Web Blog May NPD: Red Dead rustles up top spots, Super Mario Galaxy 2 takes third  - Joystiq NPD: Red Dead Redemption Dominates May Chart  - Edge Magazine – Videogames, Game News and Gaming Jobs See all 15 blogs.