Complete Episode 5 with a "Perfect" rank to unlock an Alien.
Complete Episode 1 with a "Perfect" rank to unlock Cousin Grimm.
Complete Episode 2 with a "Perfect" rank to unlock Frankenstein.
Complete Episode 6 with a "Perfect" rank to unlock Gladiator Nick Dimond.
Complete Episode 3 with a "Perfect" rank to unlock a Mummy.
Complete Episode 6 with a "Perfect" rank to unlock Wizard Johnny Gomez.
Complete Episode 4 with a "Perfect" rank to unlock Wolfman.
Complete Episode 4 with a "Perfect" rank to unlock the Graveyard ring.
Complete Episode 5 with a "Perfect" rank to unlock the Spaceship ring.
Complete Episode 3 with a "Perfect" rank to unlock the Tomb ring.