Check out the latest news & insights this week from Inside Social Games:

• Top 25 Facebook Games for December 8, 2008 – Inside Social Games is tracking the most popular games on Facebook. Check out the December numbers
• Top 25 MySpace Games for December 8, 2008 – Inside Social Games is also tracking the most popular games on MySpace. Check out the December gaming charts.
• Twofish – Virtual Economy Infrastructure for Virtual Worlds – TwoFish is building “digital resource planning” solutions for virtual economies – check it out.
• PlaySpan Raises $16.8 Million to Build Out its Virtual Goods Payment Platform – PlaySpan plans on using the money to build out its virtual goods payment platform and transaction system for online games.
• SGN Grows on the iPhone – SGN is one of the largest social game developers on both Facebook and the iPhone. Get the latest stats of SGN’s iPhone games.
• Sacred Seasons: Liberty – New MMORPG Coming to Facebook – A deeper MMORPG is coming to Facebook – read all the details.
• Mob Wars – Cheats, Tips, & Tricks – Check out the guide to winning at Mob Wars, one of the most popular games on Facebook.
• Sharendipity Moving from Java to Flash – Sharendipity is migrating its architecture this week – find out why.