Use every Headcase power-up at least once
Clear Headcase's training and earn a (not-so) secret bonus point in the process
Find all four secret digits through the use of basketball
Clear the ninth act on Hard mode
Clear the ninth act
Clear the eigth act on Hard mode
Clear the eigth act
Clear the seventh act on Hard mode
Clear the seventh act
Clear the sixth act on Hard mode
Clear the sixth act
Clear the fifth act on Hard mode
Clear the fifth act
Clear the fourth act on Hard mode
Clear the fourth act
Clear the third act on Hard mode
Clear the third act
Clear the second act on Hard mode
Clear the second act
Clear the first act on Hard mode
Clear the first act
Clear Hangman's training and earn a (not-so) secret bonus point in the process
Clear Beau's training and earn a (not-so) secret bonus point in the process
Turn on Hard mode
Clear the first act after finding every secret bonus point
Clear the second act after finding every secret bonus point
Clear the third act after finding every secret bonus point
Clear the fourth act after finding every secret bonus point
Clear the fifth act after finding every secret bonus point
Clear the sixth act after finding every secret bonus point
Clear the seventh act after finding every secret bonus point
Clear the eigth act after finding every secret bonus point
Clear the ninth act after finding every secret bonus point
Clear the third act after finding the unintended secret bonus point against the boss
Beat the game while collecting every non-glitched secret bonus point
Clear the post-game act on Hard mode
Clear the post-game act
Beat every act (including post-game) while collecting every non-glitched secret bonus point
Acquire enough Keymaster fragments after defeating a boss to earn a continue