Defeat 1000 enemies

Pull 20 enemies over when hanging from a ledge

Get three dolphins to follow the boat

Just prior to City Chase, stand perfectly still for 30 seconds (stage demo fail)

Find 50 treasures

Knock over all rock cairns in Madagascar

Defeat 50 enemies with headshots

Find a Journal Entry

Perform 10 combo buddy takedowns

Hit all targets in the attic with the toy gun

Defeat the nine Valkyries

Use treasure maps to find all of the dig spots