Put the city in some hard to get place...
Here they can add ...
*Of course all these would be modified to fit the games atmosphere
Slot machines(at least a primitive model of one)
Roulette
Poker*
blackjack*
chess*
checkers*
these games dont require rocket science to make, and im sure the brilliant minds that brought us guildwars would have no trouble creating these games for us...
The *ed games would be player vs player, and you bet before hand. No money would be created...infact...it could be used as a moneysink
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