The promised Doodle Jump movie tie-in game for Universal's movie Hop has hit the App Store, and it's completely free. The game plays just like the very popular Doodle Jump, though the graphics have been updated slightly, and of course they're all branded to fit the Hop characters. There are 25 levels to play through, but the catch is that one is unlocked every single day up to the movie's release on April 1st (in similar fashion to the Angry Birds Seasons' Advent calendar).
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