Complete Interval 7 in the Campaign.
Use 50 armor vests in the Campaign or Instant Action.
Use 50 Medkits in the Campaign or Instant Action.
Complete Interval 3 in the Campaign.
Complete Interval 2 in the Campaign.
Complete the Campaign on any difficulty without dying.
Kill every enemy in the Campaign.
Win the Campaign using less than 500 rounds of ammo.
Win every Instant Action map on Extreme difficulty.
Kill 200 enemies with the N6A3, AT-S or M77 in any ranked Multiplayer games.
Kill 150 enemies with Headshots in any ranked Multiplayer games.
Complete Interval 8 in the Campaign.
Complete Interval 10 in the Campaign.
Complete the Campaign on Extreme difficulty.
Gather every phone message and lap top in the Campaign.
Kill 3 or more enemies with a single N6A3, AT-S or M77 in the Campaign or Instant Action.
Kill 10 enemies with barrels, fire extinguishers or fuse boxes in the Campaign or Instant Action.
Kill 5 enemies with one SlowMo use in the Campaign or Instant Action.
Complete every Instant Action map on any difficulty except Low.
Win 5 each of ranked CTF, SlowMo CTF, TDM, SlowMo TDM, and Team Elimination games in Multiplayer.
Participate in 100 rank Multiplayer games of any type.
Kill 50 enemies with the G2A2 in any ranked Multiplayer games.
Complete the Campaign on any difficulty without using any boosters.
Kill 50 enemies with the RPL in any ranked Multiplayer games.
Kill 50 enemies with the SM15 in any ranked Multiplayer games.
Kill 50 enemies with the MP-50 in any ranked Multiplayer games.
Kill 50 enemies with the VK-12 in any ranked Multiplayer games.
Kill 50 enemies with the N6A3 in any ranked Multiplayer games.
Kill 50 enemies with the MOD-3 in any ranked Multiplayer games.
Kill 50 enemies with the 10mm HV Penetrator in any ranked Multiplayer games.
Kill 50 enemies with the AT-14 in any ranked Multiplayer games.
Kill 50 enemies with the Type-7 in any ranked Multiplayer games.
Kill 50 enemies with the AT-S in any ranked Multiplayer games.
Complete the Campaign on any difficulty without using SlowMo.
Kill 50 enemies with the M77 in any ranked Multiplayer games.
Kill 50 enemies with the ASP in any ranked Multiplayer games.
Kill 50 enemies with Punches or Rifle Butts in any ranked Multiplayer games.
Kill 50 enemies with Round House Kicks, Flying Kicks, or Slide Tackles in any ranked MP games.
Kill 50 enemies with the turret in any ranked Multiplayer games.
Continue playing to unlock this secret achievement.
Successfully capture 50 flags in ranked CTF or SlowMo CTF games.
Participate in 1000 ranked Multiplayer games of any type.
Win any ranked Deathmatch, SlowMo Deathmatch, or Elimination Multiplayer game.
Win the Campaign on any difficulty except Low.
Find every Health Booster and Reflex Booster in the single player campaign.
