Collect the Cane Stick

Get the Pistol.

Collect the Hammer

Collect the Crossbow

Collect the Axe

Collect the Bombs

Collect the Broadsword

Collect the Lightning

Collect the Blunderbuss

Collect the Magic Sword

Collect the Gatling Gun

Collect the Dinosaur Key in The Museum while only killing mandatory enemies

Use all 3 of the Egyptian artifacts in Kensington, the Tomb

Hit a bell with the Hammer in The Freakshow... somehow

Collect the Chicken Drumstick

Defeat a Standard Elephant-Bot and obtain Elephant Key 1

Defeat a Standard Elephant-Bot and obtain Elephant Key 2

Lower the bridge in The Greenwich Observatory

Defeat Tyrannosaurus Wrecks

Defeat Tyrannosaurus Wrecks without picking up the Small Sword or the Pistol

Defeat the Deluxe Elephant-Bot

Collect all 6 of the body parts in Dankenstein

Collect all 6 of the body parts in Dankenstein in under 3 minutes

Defeat the Iron Slugger

Defeat the Iron Slugger with at least 100 HP remaining

Defeat the Count

Complete the color puzzle and obtain the item in Whitechapel

Collect the Flaming Crossbow

Obtain the Membership Card

Save all of the girls in The Sewers

Use all 3 of the Time Machine Pieces

Collect the Good Lightning

Defeat Jack the Ripper.

Collect all 12 of the Lost Souls

Obtain the Spell Page

Defeat Dogman & Mander in The Demon

Defeat Lord Palethorn & The Demon

Collect 999 bullets for the Gatling Gun in any level

Max out your Life Bottles at 11

Save all of the hands in Kew Gardens

Kill 3 monsters in a row with the Chicken Drumstick in any level

Kill 5 monsters in a row with the Cane Stick in Kensington

Kill 20 monsters in a row with the Hammer in The Freakshow

Kill 10 monsters in a row with the Pistol in The Greenwich Observatory

Kill 9 monsters in a row with the Crossbow in The Greenwich Naval Academy without climbing any ladders

Kill 10 monsters in a row with the Axe in Kew Gardens without climbing any ladders

Kill 6 monsters in a row with the Torch in The Wulfrum Hall

Kill 5 monsters in a row with the Arm in Dankenstein

Kill 15 monsters in a row with the Flaming Crossbow in Whitechapel without climbing any ladders

Kill 2 monsters in a row with the Magic Sword in The Time Machine without climbing any ladders or using Dan's head

Kill 7 monsters in a row with the Blunderbuss in Cathedral Spires without climbing any ladders or using Dan's head

Kill 20 monsters in a row with the Gatling Gun in any level without climbing any ladders or using Dan's head

Kill 10 monsters in a row with the Lightning in any level without climbing any ladders or using Dan's head

Kill a monster with Bombs in any level

Defeat Tyrannosaurus Wrecks without taking damage

Beat the game with all 10 Chalices collected