A free online video game tie-in to the 2009 short film Lego Star Wars: The Quest for R2-D2. Features four playable characters - two to start (Anakin Skywalker, Asajj Ventress), two unlockable (Obi-Wan Kenobi, Count Dooku) - and the ability to save the player's progress. Each character the player wins with gets them another quarter of instructions for a Lego Trade Federation Cruiser. The game was created using the Unity engine. Source: Wikipedia, "Lego Star Wars: The Quest for R2-D2", available under the CC-BY-SA License.