Level 10: Apocalyptic Amateur - Successfully operated the Doomsday Machine for 10 minutes without causing a global catastrophe.
Level 20: Nuclear Novice - Demonstrated basic understanding of radiation poisoning's effects on human biology.
Level 30: Doomsday Dynamo - Achieved a 50% success rate in Doomsday Machine simulations, despite frequent malfunctions.
Level 50: Apocalypse Ace - Successfully implemented a Doomsday Machine patch that increased efficiency by 10%.