Clothe Laverne in the costume

Climb through the chimney with all three kids

Create a cherry tree

Pick up 15 things that don't belong to you

Play Maniac Mansion

Close a door

Win a match as Gator.

Score 3 goals with one player while player or position locked.

Win a match as Makenna.

Score a point off of a serve.

Tie up a player with a net battle while a pass is already on its way to that player.

Try, fail, try again, fail again, eventually succeed.

...but let's be honest, it works the same.