LEGO Universe Mode

LEGO Universe Mode or LU Mode was a mode in LDD based around the massively-multiplayer online game LEGO Universe. It is no longer available due to the game's closure in 2012.

Description
LEGO Universe Mode was a mode in LDD that allowed users to build similarly to the way they could in LEGO Universe. However, with the closure of the game, the mode was eventually removed.

Origins
This mode was originally discovered as a hack, in an an attempt to discover the pieces available in LEGO Universe. People began to catch on, as it had been posted on the Eurobricks forums. Eventually, it was set as a public mode, however it was downgraded considerably.