Tim Drake feels ready to take on the world as Robin, Batman's trusty sidekick.

But the Dark Knight has one more test for his anxious apprentice, and it won't be easy.

Time is ticking away and Gotham City is throwing everything it's got at the young superhero - including muggings, car crashes and fights.

Will Tim be able to help everyone in need and prove himself to his mentor in order to become one half of the dynamic duo?