Make it through both minecart sections in the underground tunnel without taking any damage.

Kill 2 parasites inside a Regenerador with a single bullet.

Defeat Osmund Saddler.

Defeat Ramón Salazar.

Kill 10 enemies with one sledgehammer power-up

Make it through the tower to the winch room without being spotted

Kill everyone in the convoy from ground level, except for Kreidl

Kill all the guards in Saint Pierre before getting to the church without being detected

Eliminate all 5 Snipers watching the meeting point on The Landwehr Canal without them spotting you

Kill 6 smoking soldiers on Neudorf Outpost

Find 30 enemy intel items.

Get a kill with each type of handheld gun, explosive and launcher in the single player campaign.

Alert the enemy helicopter in 'All Ghillied Up' and take it down.