from StarWars.com:
The full game LEGO Star Wars: The Quest for R2-D2 is now available for play at StarWars.com.
Loyal droid lost! In the thick of the Clone Wars, faithful astromech droid R2-D2 is lost in space, and broadcasting a distress signal that draws the attention of both the Separatists and the Republic. Forces scramble to find the little droid: Jedi heroes Anakin Skywalker and Obi-Wan Kenobi, and dark side villains Asajj Ventress and Count Dooku!
You can join the quest by playing LEGO Star Wars: The Quest for R2-D2, a free web game now available for play on StarWars.com. A preview version of this game was available before, but now the full 15 levels of awesome LEGO Star Wars action is unlocked for you to explore! Get playing now at StarWars.com by following this link: