Unlock Pumpkin Game:
Clear the game with Joachim once and save that game. Start a new game on another slot and enter the name @PUMPKIN.
The Pumpkin game starts the character off with all skills and the Vampire Killer, as well as increased stats. However, there are no subweapons available other than the initial subweapon.
Unlock Boss Rush Mode:
Clear the game with any character and save that game. That game's character may head back to the stage select room and opt to try Boss Rush Mode, that is a time attack mode against all the bosses in the game in the order they appear in the Encyclopedia.
Unlock Crazy Mode:
Clear the game with Leon once and save that game. Start a new game on another slot and enter the name @CRAZY.
Crazy mode is much harder than the normal game, and Leon starts with a defence of zee-ro (0).
Unlock Joachim's Game:
Clear the game with Leon once and save that game. Start a new game on another slot and enter the name @JOACHIM.
Joachim's game is played differently, and the character has no access to any weapons, armour, or health restoration items.
Unlock All Skills:
Beat the game as Leon, then start a New Game using the name @LLSKILL
Unlock Jade Mask:
Beat the game with Leon. It will then appear in Rinaldo's shop list for 999 Gold
Unlock Mobius' Brooch:
Beat the game on @Crazy mode and it will appear in Rinaldo's item list for 200,000 gold
Unlock Music Box:
After you beat the game, save the file. When you go to Rinaldo's cottage, you can buy the Music Box and play all the music at the main menu.
