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