Social network gaming became a billion dollar-a-year business in 2010 and helped further revolutionize how people interact with their friends while on the Internet. Over the past year, the industry has seen Zynga to continue to experience significant growth, Kabam and CrowdStar become major players in thee industry, and the acquisition of Playdom by Disney. Entering 2011, many of the well-known games such as CityVille, Mafia Wars, and Farmville have been launched in excess of one year. 2011 has already seen a new batch of Facebook games that are experiencing significant growth and becoming the destination of choice for Facebook game players. Our list projecting the 6 most addictive Facebook games of 2011 includes Monster Galaxy, Mall World, and Bubble Island.

6 Most Addictive Facebook Games of 2011

#1 Most Addictive Facebook Game of 2011 – Monster Galaxy

Monster Galaxy was released in December of 2010 and is one of the first attempts to make a clone of one of the Nintendo Pokemon RPGs that are designed to promote social play amongst users. Monster Galaxy focuses on the user training monsters and collecting in a free game with more than 120 distinctive monsters at the time of this writing that can do battle or capture additional monsters for the player to use in searching for items or building experience points.

#2 Most Addictive Facebook Game of 2011 – Mall World

Mall World is not the first “Girls Only” game title on Facebook, however, it is one of the few on the top 25 most played Facebook games in 2011 at the time of this writing. The game is focused on women’s fashion and suggest inviting female friends only when you play it. Mall World features a large inventory of fashions that can be bought and sold with a large number of social integration features. It is gender based, however, and requires the player has more than one or two friends that also play Mall World in order to leverage all of the game play features. Bads with the game are that it is pretty “Girl” or “Female” focused, however, with the popularity of girls games on stand-alone arcades, look for Mall World to continue to gain in popularity.

#3 Most Addictive Facebook Game of 2011 – Bubble Island

Bubble Island is another emerging game for 2011 that allows the user to combine colors on a bubble to proceed to the next level of the game while playing the role of a young raccoon. Players have to earn money in order to buy decorations or items as they proceed through the game. The game can be played with friends but can only be played through Facebook apps.

#4 Most Addictive Facebook Game of 2011 – Ranch Town

Ranch Town is a western themed time management game that lets the user farm, mine, and conduct other activities. The user starts with a plot of land in the game that can then be farmed, a cow, and an apple tree. Players are then permitted to plant crops and take them through the harvest in order to feed the cow and to buy products needed for the farm.

#5 Most Addictive Facebook Game of 2011 – Millionaire City

Millionaire City was released in 2010 and has already adopted a significant player base. The game lets the player build a dream city and become a millionaire. The game lets you design and the decorate a metropolitan area from scratch as well as to go into business with other Facebook friends while strategizing investments.

#6 Most Addictive Facebook Game of 2011 – City of Wonder

City of Wonder is similar to play a Sims game that has social features built into the game play. It combines both city and empire building into the game play starting in the Stone Age. The game has developed a significant base of game players on Facebook over the past six months and continues to be one of the most addictive Facebook games heading into 2011.