Squirt five different people with disappearing ink

Try to mix the decaf and caffeinated coffees

Cook the hamster in Maniac Mansion (Don't try this at home, kids!)

Try to swap the textbook with the stamp album

Try to mix the disappearing ink with Booboo-B-Gone

Turn off the television

Find Fred's basement workshop

Unlock Ascension mode.

Defeated Donu & Deca.

Defeated the Slime Boss.

Win the UEFA Europa League Final

Have 999 Block during combat.