- Challenges are unlocked the first time you beat Hell, the last Area.
- Instead of a normal retirement, you can start a challenge on the Pupil tab, which will impose some new rules on you.
- There are currently 2 challenges in the game.
Pupil Pupil's Challenge.
- Basically you reset all your modifiers to 0% and climb from the bottom once more. when you complete it unlocks an autofight for challenger battles each challenge complete gives 10% of the rewards of a regular battle. maxing at 10 challenges for 100% rewards.
- Beat a challenger with every theme (13 themes) the level required is equal to challengers challenge completed + 1. Each challenge you beat gives you a 10% chance to earn a bonus medal from challengers. capping at 20 challenges for a guaranteed 2 bonus medals. the order is the same as the order on the theme research tab