 Freedom Planet is a 2D platform and action game featuring anthropomorphized animal characters and 16 @-@ bit style graphics mimicking the look of games released for the Sega Genesis , particularly the Sonic the Hedgehog series . The game puts players in the role of one of the available playable characters as they traverse each level , fighting through enemies and obstacles before facing a boss at the end . Players have a health meter , which can be replenished by collecting red leaves , and a regenerative energy meter used to perform each character 's unique special moves . Players can earn extra lives by collecting enough blue crystals found throughout the level , or by rescuing creatures trapped in cages . Players can also obtain various types of shields , some of which often bonus attributes such as invulnerabilty to fire or the ability to breathe underwater , and invincibility power @-@ ups . Also hidden through the levels are cards , which unlock bonus content such as music and concept art , and bonus tokens which allows access to a bonus game at the end of the level . 
