Equip a pistol with a suppressor and subsonic ammo.

Finish a level as Sean without having used Slo-mo.

Drink soda.

Meet Steve.

Get a throwable object from a dumpster.

Use Slo-mo for the first time.

Finish a level without having been detected.

Finish a level without killing anyone.

Install an infrared laser pointer on any weapon.

Train with Steve for the first time.

Get an additional soda can out of a vending machine.

Kill 1 enemy with fire.

Fully upgrade any weapon.

Knock out an enemy with a Gas Grenade.

Knock out 3 enemies with a single Gas Grenade.

Save Sean's father.

Kill 3 enemies with a single fire source.

Unlock the AS VAL.

Finish the game.

Install the suppressor on the MK4.

Get the best ending.

Finish the game with 100% Trust.

Reach $25,000

Knock out 7 enemies with a single Gas Grenade.

Finish the game without Sean having killed any innocents.

Unlock the MP5SD.

Knock out 5 lights with a single charge of the PKC-EMP.

Finish the game without using Slo-mo.

Install the drum magazine on the Saiga-12K.

Finish the game on the 'True' difficulty.

Install the drum magazine on the Glock-18.

Install any trigger group mod on any pistol.

Finish 'Police Precinct' with all the compromising material pickups.

Install the drum magazine on the Scorpion EVO.

Receive Steve's first training session for free.

Knock everyone out in a level without having been detected.

Kill every enemy while saving Sean.

Reach $65,000

Kill every enemy while saving Sean's dad.

Kill 7 enemies with a single fire source.

Install the full-auto trigger group mod on the Auto-5.

Finish 'Night Club' without knocking anyone out or being sighted.

Fully exhaust the uses on Slo-mo in a single level.

Finish 'Apartment Alleyways' without knocking anyone out or being sighted.

Get the neutral ending.

Reach $120,000

Install the burst-fire trigger group mod on the M1014.

Fail to save Sean's father.

Get the worst ending.

Unlock every single weapon.

Finish the game having killed no one as Sean, but having killed everyone as Steve.

Finish the game on the 'Throwback' difficulty.

Unlock all ammo types.

Get the bad ending.

Unlock all upgrades for every single moddable weapon.