Collect the copper shield

Collect the hammer

Collect the crossbow

Find the secret in Dan's Crypt

Defeat the Stained Glass Demon in The Hilltop Mausoleum

Collect a Chalice

Kill all enemies in Return to the Graveyard before fighting the boss

Collect the silver shield

Defeat the Guardians of the Graveyard in Return to the Graveyard

Collect the broadsword

Kill 9 humans in a row with the hammer in The Scarecrow Fields

Destroy all pods using only the arm in The Pumpkin Serpent

Defeat the Pumpkin King in The Pumpkin Serpent

Collect the first dragon gem

Collect the longbow

Kill a poor villager in The Sleeping Village

Kill every villager in The Sleeping Village. Are you proud of yourself?

Obtain the Crucifix

Collect the spear

Solve all 4 of Jack of the Green's riddles

Collect the axe

Collect the second dragon gem without having used the first

Collect the gold shield

Collect 10 Chalices

Free all 6 fairies in The Ant Caves

Collect all 7 amber pieces in The Ant Caves

Defeat the Ant Queen in The Ant Caves

Collect the flaming longbow

Turn an enemy into a roast chicken with the chicken drumstick

Kill 9 demons in a row with the broadsword in The Enchanted Earth

Defeat the Demonettes in The Enchanted Forest

Collect all 8 Soul Helmets in Pools of the Ancient Dead without killing more than 4 enemies - watch for suiciding ones

Collect the magic sword

Kill 2 non-fish enemies in a row with the spear in The Lake

Collect the magic longbow

Defeat the Dragon in The Crystal Caves

Collect the flaming longbow

Collect the lightning

Kill 8 enemies in a row with the crossbow in The Gallows Gauntlet

Kill 10 enemies in a row with the Dragon Armor

Kill 5 enemies in a row with the small sword in The Haunted Ruins

Defeat the Ship Captain in The Ghost Ship

Kill 10 enemies in a row with the arm in The Entrance Hall

Kill 7 enemies in a row with the flaming longbow in The Time Device

Max out your Life Bottles at 9

Collect all 20 Chalices

Kill 15 enemies in a row with the magic sword in Pumpkin Gorge

Defeat Lord Kardok in Zarok's Lair

Beat the game

Beat the game with all 20 Chalices collected and see the true ending