LEGO MINDSTORMS NXT Dynamic Block Update

LEGO MINDSTORMS NXT Dynamic Block Update screenshots

It allows the MINDSTORMS NXT to import new blocks to the complete palette
LEGO MINDSTORMS NXT Dynamic Block Update 1.0 : Installation Window

Alternative downloads

LEGO MINDSTORMS EV3
1.4.5
FREE
Lets you create movement programs for Lego robots.
NXT Arcade Games Manager
1.0
FREE
The Arcade Game Manager shows a list of available Games.
Monopolist
FREE
Game where you are like a manager.