Some games could not be included due to licensing (e.g. "Tron, Lock 'N' Chase, BurgerTime, Loco-Motion, Mission-X, Masters of the Universe, Pac-Man, Dig Dug, Diner, Pole Position, Commando"). Others such as ' and ' are working prototype versions to avoid trademarked names. Licenses such as Major League Baseball, NFL, NBA, NHL, NASL, PGA, US Ski Team, PBA, the Electric Company were simply dropped from the titles. Also included were games never before released and made available for the very first time such as "King of the Mountain, Brickout, and Takeover".