Max out all upgrade items
Own a gilded weapon
Complete a level with 5 Disaster Cards
Reach a total of 10 or more in health and armor combined
Destroy 100 candlesticks in a single battle
Eliminate 100 frogs in a single battle
Expand the Energy Ball to at least twice its size
Achieve 100% evasion
Achieve 100% bullet critical rate
Survive successfully in the "Hell" level
Synthesize the Demon Sword, not easy!
Eliminate at least 5 enemies with a single bullet
Complete a Chaos Challenge
Survive successfully in the "Castle" level
Have 4 drones with at least 30 damage
Complete a normal level without taking any damage
Dodge an attack with health at 1
Survive successfully in the "Graveyard" level
Wake up 10 zombies in a single battle
Unlock at least 5 heroes
Upgrade the shop to 3 stars in one go
Complete a battle
Survive successfully in the "Grassland" level
