Liberate all districts in Boston OR New York.

Complete Present - Abstergo.

Kill 15 guards with a single cannon shot.

Complete Present - Stadium.

Complete Sequence 7.

Recruit any of the Artisans and see them settled on the Homestead.

Complete Sequence 5.

Complete Sequence 4.

You defeated the Boss Hall Monitor while wearing freckles.

You accepted your fate and chose the name Douchebag yourself.

You defeated 20 enemies using Cartman's Ass.

You defeated Princess Kenny and recovered the Stick of Truth.