Unlockables 
     Successfully   complete   the   indicated   task  to  unlock  the
corresponding bonus:

Unlockable:                      How to Unlock:

Cpt. Devin Ross                  Kill 50 enemies using melee attacks 

Lt. Abigail Black                Kill 50 enemies using Ghost Bullet 

Sgt. Frank Delgado               Pop 50 heads 

Sgt. Wilhelmina "Billie" Church  Successfully complete "Al Khali" 
                                 on the Hard difficulty setting 
                                 
Cpt. Xavier Jones                Successfully complete "Man Down" 
                                 on the Hard difficulty setting 

Cpl. Simone Cole                 Successfully complete "The Tomb" 
                                 on the Hard difficulty setting 

Fr. Paul Rawlings                Pop 100 heads 

Agent Muriel Green               Successfully complete "The Den of Souls"
                                 on the Hard difficulty setting 

Arnold Leech                     Successfully complete "Al Khali" 
                                 on the Easy or Normal difficulty setting

Deceased Devin Ross              Successfully complete "Still With You" 
                                 on the Hard difficulty setting 

Cultist                          Kill 100 enemies using melee attacks 

Exlposive Cultist                Disintegrate 50 enemies 

Corpses Behemoth                 Successfully complete "River of Blood" 
                                 on the Hard difficulty setting 

Psychic Commander                Successfully complete "World War 2" 
                                 on the Easy or Normal difficulty 
                                 setting

Flamethrower                     Disintegrate 100 enemies 

Grenadier                        Kill 100 enemies using Ghost Bullet 

Sir Richard de Gray              Successfully complete "Out of the Frying
                                 Pan" on the Hard difficulty setting 

Brother William of Auxere        Successfully complete "Motley Crew" 
                                 on the Hard difficulty setting 

Warrior Crusader                 Successfully complete "Sewers" 
                                 on the Hard difficulty setting 

Crossbowman Crusader             Successfully complete "Tortured Souls" 
                                 on the Hard difficulty setting 

Child Crusader                   Successfully complete "Crusades" 
                                 on the Easy or Normal difficulty 
                                 setting

Bishop Malthus St. Claire        Successfully complete "Crusades" 
                                 on the Easy or Normal difficulty 
                                 setting

Centurion Textius Longinus       Successfully complete "Decadence" 
                                 on the Hard difficulty setting 
                                 without being incapacitated 

Governor Cassus Vicus            Successfully complete "Rome" 
                                 on the Easy or Normal difficulty 
                                 setting 

Legionary                        Successfully complete "The Low Road" 
                                 on the Hard difficulty setting 

Blind Behemoth                   Successfully complete "Morituri 
                                 te salutant" on the Hard difficulty 
                                 setting without being incapacitated 

Gladiator                        Successfully complete "Temple of Pain" 
                                 on the Hard difficulty setting 

Antadurunnu                      Successfully complete "The God Seal" 
                                 on the Hard difficulty setting 

Enlil                            Successfully complete "Spiritual Guide"
                                 on the Hard difficulty setting 

Inanna                           Successfully complete "Skin" 
                                 on the Hard difficulty setting 

Ki                               Successfully complete "Flesh" 
                                 on the Hard difficulty setting 

Ninlil                           Successfully complete "Skin" 
                                 on the Hard difficulty setting 
                                 without being incapacitated 

Nanna                            Successfully complete "Blood" 
                                 on the Hard difficulty setting 

Utu                              Successfully complete "Blood" 
                                 on the Hard difficulty setting 
                                 without being incapacitated 

Sumerian Puppet                  Successfully complete "Flesh" 
                                 on the Hard difficulty setting 
                                 without being incapacitated 

Pyxis Prima                      Successfully complete "Sumeria" 
                                 on the Easy or Normal difficulty 
                                 setting

The Jericho Team                 Successfully complete "Rivers of Blood" 
                                 on the Hard difficulty setting 
                                 without being incapacitated 

Operation: Godseal               Successfully complete "Exorcism" 
                                 on the Hard difficulty setting