Kill 50 enemies in a co-op mode siege
Continue playing to unlock this secret achievement.
Complete Single player campaign on easy
Break into The Target's Weapons Nexus
Achieve all objectives in Asia
Take out 10 Medics
Kill 10 enemies with mines
Take out 10 Scavengers
Kill 10 enemies through cover
Achieve all objectives in Africa
Kill 3 enemies at once with a single grenade
Upgrade OSB Airstrike
Upgrade OSB Pulse Wave
Kill 10 enemies while health is low
Kill 10 enemies from behind
Kill 10 enemies using melee
Kill 10 enemies with explosives
Upgrade OSB Explosive bullets
Kill 10 enemies with a headshot
Kill 10 enemies with grenades
Upgrade OSB Adrenaline
Complete the Induction mission
Complete Single player campaign on normal
Complete Single player campaign on hard
Collect highest value Intel following multiple skillkills
Take out a Sniper with a grenade
Kill 10 enemies with the last round in your weapon
Surprise kill 10 enemies
Skillkill 10 enemies in a row
Skillkill 25 enemies in a row
Kill 5 enemies at once with an Airstrike
Kill 100 enemies in a co-op mode siege
Survive the Militarised Compound siege
Survive the Pirate Bay siege
Survive the Mine siege
Survive the Street siege
Win a Deathmatch
Win a Team Deathmatch
Win 10 Deathmatches of any type
Score 1000 online kills
