Collect 10 Golden Spatulas

Complete Squidward's Mission in Jellyfish Fields.

Complete the single player campaign on any difficulty.

Assault Makarov's safehouse.

Execute the plan to help the Americans.

Defend Burger Town.

Kill 6 enemies in a row using a thermal weapon.

Kill at least 3 enemies with a single shot from a grenade launcher.

Get hand picked for Shepherd's elite squad.

Help train the local militia.

Complete Mesmeralda's Show on any difficulty

Complete Winter Keep on any difficulty

Completed the Prologue.