Completed "The Power of the Atom"

Took the G.O.A.T.

Complete all story levels without dying, with the exception of those levels that only end when you die

Kill 10 enemies with grenades by aiming while hanging from a ledge

Find all 60 treasures

Find 50 treasures

Find 40 treasures

Find the Strange Relic

Find 35 treasures

Kill 30 enemies with the M79

Kill three enemies with one explosion

Kill five enemies in a row with a single punch, after softening them up with gunfire