Find the Obsidian Eye.

Destroy the VX-99.

Master the hoverboots.

Defeat the Hypersonic Brainwave Scrambler

Retrieve Chief Zahn's Zoni Vessel.

Clear the Arcade Battle in Offline Mode.

Clear all the waves on any single map.

Finish the game in Normal Mode

Find 40 treasures

Defeat five enemies in a row with headshots

Defeat 50 enemies with the 92FS - 9mm

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