Make some cloth using the loom

Spent 10 consecutive days without eating meat

Visited an island other than the first

Craft a stone tool

Complete the tutorial

Skin a crab

Destroy 6 enemy bombers before they reach the Wake in the mission "Japanese Raid".

Rearm on the airfield between attacks on hostile ships in the mission "American Counterattack".

ACHIEVE ALL GOLD TIME TRIAL TROPHIES

BEAT SEBASTIAN VETTEL IN THE CHALLENGE MODE HEAD TO HEAD RACE

Collect all trophies

Kill all penguins stationed on the zeppelin in Chapter 3 (Single Player)

Kill 30 Penguins as they step out of a door (Single Player)