checked-yes =>Sound Test: Beat the game to enable the Sound Test mode at the menu. =>Boss Mode/Cinema: Once you collect all the crystals and complete 100% of the game, you will unlock the Boss Battle and the Movie View modes. =>Extra Lives: After you complete a level, the shards of crystal turn blue and can be collected for extra lives. You can enter a level, grab the blue star, exit and repeat to build up your lives.