Collect all posters

Demolish a public toilet on each map

S.K.A.T.E. from the Blisk dome to the base's entrance without interruption

Collect all Alien Artifacts

Destroy the crab behind the curtain

Kill a reincarnated guru with his own body

Destroy an old foe in Tunguskan ship-to-ship battle

S.K.A.T.E. from the landing zone near Tarkovskoye along the tracks to the East without interruption

S.K.A.T.E. from the temple gates through the park to Takoshima City without interruption

Summon Arkvoodle and take hold of his vibrating super-weapon

S.K.A.T.E. up the road to Coit Tower without interruption

Ace all challenges!