Final level:
Successfully complete all other levels in the game to unlock the last level.

Bonus mode:
Successfully complete the final level, then replay any level to play an alternate version where you have to catch enemies in the various locations.

Tigger's level: Unlimited time:
In Tigger's dream, when you have to catch his stripes, run out of the haunted house when the clock is still ticking. Go back in and you will have unlimited time to catch the stripes