Snipe a grenade on an enemy's webbing from 100m

Kill both bosses with head shots in ‘Hostile Takeover’ Operation.

Get a cumulative sniped kill distance of a marathon

Hold off the Russian advance

Destroy a tank by sniping the fuel supply

Kill 4 enemies with a single grenade in any Operation.

Hold your breath for a cumulative time of half an hour

Destroy the V2 Facility and escape to safety

Stop the convoy

Snipe an enemy through his eye

Use a trip mine to kill an enemy who is trying to assault your position

Complete the campaign on any difficulty.

Play Zork on the terminal.