Activate the secret glitched objects
Finish all the Eighties Era levels (No boss).
Finish all the Office Era levels (No boss).
Beat all of The Boss' levels.
Finish all the Modern Era levels (No boss).
Unlock the Office Era levels.
Beat all Reverend Morris' levels.
Beat all Nicole K.'s levels.
Beat all of Larry Zuchini's levels.
Finish all the Classic Era levels (No boss).
Beat your first level in the game.
Finish the time trial mode in less than 90 minutes.
