Sonic X Freedom Planet or Sonic Cross Freedom Planet is a cross-universe arcade game by Freedom Planet and Sonic the Hedgehog. The game plays very similarly to Sonic the Arcade Runner, but features characters and environments from Freedom Planet instead of the Sonic universe. In Sonic X Freedom Planet, you can begin your journey anew by surfing through the Midnight Hills with Sonic and Lilac. You can keep your shards by avoiding monsters, spikes, and other danger