From gameloft (iDP):
What's new in this version:
Shark Dash is now completely FREE and comes with a new challenge-streak level progression! Beat as many levels as possible in one streak and climb the Leaderboard! - Our faithful Shark Dash players will get a gift of 10,000 Coins to help them rise in the rankings! - Game engine and user interface optimized. - Revive or earn Coins by watching videos. - PLEASE NOTE: With the new challenge-streak level progression in this update, players can no longer select from any level.