Complete mission 1: Courier, on Agent difficulty
Complete mission 1: Courier, on Agent difficulty, with at least 12 enemies subdued
Complete mission 1: Courier, on Secret Agent difficulty
Complete mission 1: Courier, on Secret Agent difficulty, with a time of 2:00 or lower
Complete mission 1: Courier, on Secret Agent difficulty, using only the watch dart to deal with enemies
Complete mission 1: Courier, on 00 Agent difficulty
Complete mission 1: Courier, in less than 20 seconds
Complete mission 2: King's Ransom, on Agent difficulty
Complete mission 2: King's Ransom, on Agent difficulty, with a time of 2:20 or lower
Complete mission 2: King's Ransom, on Agent difficulty, without receiving objective F
Complete mission 2: King's Ransom, on Secret Agent difficulty
Complete mission 2: King's Ransom, on Secret Agent difficulty, with a time of 3:45 or lower
Kill 3 enemies at the same time in mission 2: King's Ransom, on Secret Agent difficulty
Complete mission 2: King's Ransom, on Secret Agent difficulty, without picking up any body armor
Complete mission 2: King's Ransom, on 00 Agent difficulty
Complete mission 3: Thames Chase, on Agent difficulty
Collect the body armor in mission 3: Thames Chase, on Agent difficulty
Complete mission 3: Thames Chase, on Secret Agent difficulty
Rescue all of the hostages in mission 3: Thames Chase, on Secret Agent difficulty, within 2 minutes
Complete mission 3: Thames Chase, on 00 Agent difficulty
Complete mission 3: Thames Chase, on 00 Agent difficulty, with a time of 4:25 or lower
Complete mission 4: Underground Uprising, on Agent difficulty
Complete mission 4: Underground Uprising, on Agent difficulty, with no shots fired
Complete mission 4: Underground Uprising, on Agent difficulty, with a time of 2:15 or lower
Complete mission 4: Underground Uprising, on Secret Agent difficulty
Knock all of the big paintings off the wall in mission 4: Underground Uprising, on Secret Agent difficulty
Complete mission 4: Underground Uprising, on 00 Agent difficulty
Complete mission 5: Cold Reception, on Agent difficulty
Kill at least 55 enemies during mission 5: Cold Reception, on Agent difficulty
Complete mission 5: Cold Reception, on Secret Agent difficulty
Complete mission 5: Cold Reception, on Secret Agent difficulty, with a time of 3:15 or lower
Go full speed for the whole of mission 5: Cold Reception, on Secret Agent difficulty
Complete mission 5: Cold Reception, on 00 Agent difficulty
Complete mission 5: Cold Reception, on 00 Agent difficulty, with a time of 3:05 or lower
Complete mission 6: Night Watch, on Agent difficulty
Destroy all 9 cameras and complete mission 6: Night Watch, on Agent difficulty
Complete mission 6: Night Watch, on Secret Agent difficulty
Complete mission 6: Night Watch, on Secret Agent difficulty, without taking any damage
Complete mission 6: Night Watch, on 00 Agent difficulty
Complete mission 6: Night Watch, on 00 Agent difficulty, with a time of 2:20 or lower
Complete mission 7: Midnight Departure, on Agent difficulty
Complete mission 7: Midnight Departure, on Agent difficulty, with a time of 3:05 or lower
Activate the alarm within 30 seconds and keep it active while completing mission 7: Midnight Departure, on Agent difficulty
Complete mission 7: Midnight Departure, on Secret Agent difficulty
Do not allow an alarm to be activated while completing mission 7: Midnight Departure, on Secret Agent difficulty
Complete mission 7: Midnight Departure, on 00 Agent difficulty
Complete mission 8: Masquerade, on Agent difficulty
Complete mission 8: Masquerade, on Agent difficulty, with a time of 3:15 or lower
Kill at least 7 enemies while firing (continuously), a clip of the MB POW90-AUTO in mission 8: Masquerade, on Agent difficulty
Complete mission 8: Masquerade, on Secret Agent difficulty
Complete mission 8: Masquerade, on Secret Agent difficulty, using only the pistol to kill enemies
Complete mission 8: Masquerade, on 00 Agent difficulty
Complete mission 8: Masquerade, on 00 Agent difficulty, with a time of 4:20 or lower
Complete mission 9: City of Walkways I, on Agent difficulty
Complete mission 9: City of Walkways I, on Agent difficulty, with a time of 3:35 or lower
In mission 9: City of Walkways I, on Agent difficulty, activate night vision then kill 13 enemies before the battery goes flat
Complete mission 9: City of Walkways I, on Secret Agent difficulty
Complete mission 9: City of Walkways I, on Secret Agent difficulty, with a time of 3:50 or lower
In mission 9: City of Walkways I, on Secret Agent difficulty, kill 5 enemies simultaneously
Complete mission 9: City of Walkways I, on 00 Agent difficulty
Complete mission 10: City of Walkways II, on Agent difficulty
Complete mission 10: City of Walkways II, on Agent difficulty, with a time of 3:40 or lower
Complete mission 10: City of Walkways II, on Agent difficulty with 5 or fewer kills
Complete mission 10: City of Walkways II, on Secret Agent difficulty
Have body armor active throughout the whole of mission 10: City of Walkways II, on Secret Agent difficulty
Complete mission 10: City of Walkways II, on 00 Agent difficulty
Complete mission 11: Turncoat, on Agent difficulty
Complete mission 11: Turncoat, on Agent difficulty, with 100% accuracy
Complete mission 11: Turncoat, on Secret Agent difficulty
Complete mission 11: Turncoat, on Secret Agent difficulty, with a time of 3:20 or lower
Complete mission 11: Turncoat, on Secret Agent difficulty, without reloading any weapon (Pump action shotgun counts as reload)
Complete mission 11: Turncoat, on 00 Agent difficulty
Complete mission 12: Fallen Angel, on Agent difficulty
Complete mission 12: Fallen Angel, on Agent difficulty, without triggering the poison trap
Complete mission 12: Fallen Angel, on Secret Agent difficulty
Complete mission 12: Fallen Angel, on Secret Agent difficulty, with a time of 2:45 or lower
Complete mission 12: Fallen Angel, on Secret Agent difficulty, while killing every single enemy in the level
Complete mission 12: Fallen Angel, on 00 Agent difficulty
Complete mission 13: A Sinking Feeling, on Agent difficulty
In mission 13: A Sinking Feeling, on Agent difficulty, kill 8 enemies while wearing X-Ray Goggles, then complete the mission
Complete mission 13: A Sinking Feeling, on Secret Agent difficulty
Complete mission 13: A Sinking Feeling, on Secret Agent difficulty, without using the X-Ray goggles
Complete mission 13: A Sinking Feeling, on 00 Agent difficulty
Complete mission 13: A Sinking Feeling, on 00 Agent difficulty, with a time of 2:55 or lower
Complete mission 14: Meltdown, on Agent difficulty
Complete mission 14: Meltdown, on Agent difficulty, without running out of air at any point
Complete mission 14: Meltdown, on Secret Agent difficulty
In mission 14: Meltdown, on Secret Agent difficulty, kill 3 enemies while on the grapple rope
Complete mission 14: Meltdown, on 00 Agent difficulty
Win a game of Arena against 3 bots [ Minimum time: 5 minutes | Minimum score: 20 | Radar: Off ]
Win a 2v2 game of Team Arena [ Minimum time: 5 minutes | Minimum score: 20 | Radar: Off ]
Win a 2v2 game of Capture the Flag [ Minimum time: 5 minutes | Minimum score: 60 | Radar: Specials Only ]
Win a 2v2 game of Capture the Briefcase [ Minimum time: 5 minutes | Minimum score: 60 | Radar: Specials only ]
Win a game of King of the Hill [ Minimum time: 5 minutes | Minimum score: 50 | Radar: Specials only ]
Win a 2v2 game of Team King of the Hill [ Minimum time: 5 minutes | Minimum score: 50 | Radar: Specials Only ]
Win a 2v2 game of Uplink [ Minimum time: 5 minutes | Minimum score: 40 | Radar: Specials Only ]
Win a game of Last Agent Standing against 3 bots [ Minimum time: 5 minutes | Minimum lives: 10 | Radar: Off ]
Win a game of Golden Gun against 3 bots [ Minimum time: 5 minutes | Radar: Off ]
Win a 1v1 game of Arena with a score of 10-0 [ Time: Unlimited | Score: 10 | Radar: Off | Weapon Mode: Explosive]
Win a 1v3 game of Team King of the Hill [ Minimum time: 10 minutes | Minimum score: 100 | Map: MI-6 | Weapon Mode: Standard ]