Deadly Dice is available to play from 12 to 1 am Neopian Standard Time (NST). You need to have a pet that is at least level 2 to play. The goal of the game is to beat Count Von Roo by rolling higher than he does. If you win, your pet gains a level, if you lose, your pet loses a level. If youtie with him, you get to roll again for double the level.
To get the avatar, you must tie then win against Von Roo, however, if you play again, tie, then lose, you will lose the avatar.