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

Complete "Alduin's Wall"

Defeat a Legendary Dragon

Complete "The Eye of Magnus"

Collect 15 Daedric Artifacts

Complete "At the Summit of Apocrypha"

Successfully persuade, bribe, and intimidate

Join the Thieves Guild