We’ve all heard of, played with or used the most popular Facebook applications — Scrabulous, Owned! and (Lil) Green Patch come to mind. But what about the not-as-popular Facebook applications? With more than 27,000 apps to choose from, and the number growing daily, there are plenty of diamonds in the rough that may be unknown, but still stand out because they are particularly interesting, unique, viral or just darn fun.

Here are 10 Facebook applications that you probably have never heard of — but should.

1) Traveler IQ Challenge — This game tests players to find Read more...