Developers creating supplemental Facebook games to coincide with major game releases is quickly becoming a popular trend. Crackdown 2 received this treatment with Chuck's Ducks 2, and Ubisoft has created Assassin's Creed Project Legacy for the social network.

If your favorite MMORPG become Facebook game, are you willing to try? Here are the Facebook games which are from MMORPG. Seize the opportunity to validate your choice.

Chocobo's Crystal Tower -- Final Fantasy

Chocobo's Crystal Tower is a free-to-play RPG starring the popular FINAL FANTASY(R) character, Chocobo. Players must raise and breed Chocobo on a ranch, and give their pets plenty of affection with feeding, grooming and snacks.

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In this game, you get to be a bona fide chocobo breeder, raising chocobos on your farm and sending them on adventures in the towers. Chocobos age in real time, so you'll need to revisit the game regularly as they grow and mature.