Listen to the tale of King Arthur

Kill 2 enemies by detonating a fuel tank

Complete the level "Tokyo – Meeting with Takamoto"

Complete the level "Peru – Return to Paraíso"

Kill 2 enemies during the same Aerial Attack

Complete the level "Bolivia – Tiwanaku"

Complete chapter 3 in the Single Player Campaign

Reach Central Park

Single Player: Kill two enemies with a single bullet

Defend Central Station

Reach the Hargreave-Rasch building

Complete 'Baked' as Mash.