The difference is that in stead of deeds, players acquire building permits. Players can instantly build on a property they've acquired, regardless of whether they own the rest of that color or not. They choose which building type to put up, and generate revenue accordingly. The main goal of the game is to own Monopoly tower. Monopoly City has newly named properties, new monetary values, futuristic buildings, and new playing cards. Currency has new monetary values ranging up to five million dollars. An electronic trading unit makes it possible to hold "public" or "private" auctions for the players properties and districts in a fair and fun manner.