Achievement is your middle name.

Cross the French countryside and get very cross.

Don't fear the reaper. Be the reaper.

Kill 20 enemies while dual wielding double shotguns.

Ride the Popemobile to victory.

Make 20 enemies kill each other using Psychotropic Grenades.

Assist Dr. Vermetti in his war on worms.

Make sure Gabriella is OK.

Party like it's 199.

Sign Secchi's rifle.

Get a weaponized black hole, using science.

Kill 5 enemies in a row while your health is below 10 HP.