Nearly two weeks ago, Playfish -- the maker of popular Facebook titles such as Pet Society and Restaurant City -- offered Hotel City players the opportunity to earn up to 10 free Playfish Cash by leveling up in the game. This is the first time Playfish is allowing players to earn PFC in-game.

PFC is a type of premium virtual currency used to buy exclusive items, and normally costs real world money to obtain. So Playfish is giving away the equivalent of $2 USD to players. Here's what you need to do to earn your free 10 PFC:

1) Install Hotel City and complete the tutorial to earn 2 Playfish Cash!
2) Play Hotel City and reach level 10 to earn another 4 Playfish Cash!
3) Play Hotel City and reach level 25 to earn yet another 4 Playfish Cash!

On top of that, PFC earned in Hotel City can be used in other Playfish games!

Click here to see all the official rules of this offer.