Gave a souvenir to the Professor

Restored the first continent

Achieved ★★★ on a stage

Stage 3-4 cleared

Finish the game in Normal Mode

Find 55 treasures

Kill 20 enemies with Mk-NDI grenades

Kill 20 enemies by shooting from the hip (without aiming with the L1 button)

Find 50 treasures

Find 45 treasures

Find 35 treasures

Kill five enemies in a row with a brutal combo

Find 25 treasures