Find all the collectibles

Complete all sidequests in the game

Kill 4 enemies with Storm, using single SMG "Lightning" burst

Complete all challenges in Chapter I

Find all collectibles in Chapter I

Complete Chapter I on Hard difficulty or in Challenge Mode

Finish all quests before meeting with the partisans

Complete all Challenges in Chapter II

Find all collectibles in Chapter II

Complete Chapter II on Hard difficulty or in Challenge Mode

Complete all challenges in Chapter III

Find all collectibles in Chapter III

Complete Chapter III on Hard difficulty or in Challenge Mode

Complete all challenges in Chapter IV

Find all collectibles in Chapter IV

Complete Chapter IV on Hard difficulty or in Challenge Mode

Save the children from flamethrower squad

Complete all challenges in Chapter V

Find all collectibles in Chapter V

Complete Chapter V on Hard difficulty or in Challenge Mode

Complete all challenges in Chapter VI

Find all collectibles in Chapter VI

Complete Chapter VI on Hard difficulty or in Challenge Mode

Finish a co-op mission (other than Prologue)

Destroy 5 vehicles

Finish all missions on Hard difficulty level or in Challenge Mode

Kill 20 enemies, using Helga as a decoy

Heal any hero with Helga

Use Heniu's bat 25 times

Make 30 bodies vanish

Get an enemy killed by an unfortunate accident

Kill 20 enemies during an airstrike

Kill 100 enemies

Kill 200 enemies

Kill 500 enemies

Kill 30 officers

Kill 10 enemies by pushing them from a high place

Kill 5 snipers

Kill 20 enemies using sniper rifle

Kill 25 enemies using Youngster's throwing knife

Use Lynx's Strangle to kill 50 enemies

Complete one challenge

Find a collectible

Kill 5 enemies with one grenade

Find 10 collectibles

Watch the credits

Complete Prologue

Start a co-op map