Sonic Mystic Machine

• Press the (9) key to skip a level (Complete Version).
• Press the (shift) key to restart a level (All Versions, Including Parts and Demos).
• Press the (s) key at the title screen to unlock the incomplete sound test (Complete Version).
• Press the (f) key to gain 1 life (Complete Version).
• Press the (g) key to gain 50 rings (Complete Version).
• On any level, before an enemy hits you just hold down and the enemy will die. Also, you can perform a spindash that doesn't move by holding down and then pressing over. You should not move, and you will perform a spindash(All Versions, Including Parts and Demos).