Unlock the Mainliner archive page of Clem's Notebook.
Complete Chapter 1.
Complete Chapter 2.
During Chapter 1, gas the guard in the gas chamber.
During Chapter 1, kill the guard you meet outside the bathroom.
During Chapter 1, escort the guard to the electric chair room safely.
Complete Chapter 1 on Impossible difficulty.
Complete Chapter 2 on Impossible difficulty.
Complete Chapter 3.
Complete Chapter 3 on Impossible difficulty.
Complete Chapter 4.
Complete Chapter 4 on Impossible difficulty.
Complete Chapter 5.
Complete Chapter 5 on Impossible difficulty.
Complete Chapter 6.
Complete Chapter 6 on Impossible difficulty.
Complete Chapter 7.
Complete Chapter 7 on Impossible difficulty.
Complete Chapter 8.
Complete Chapter 8 on Impossible difficulty.
Complete Chapter 9.
Complete Chapter 9 on Impossible difficulty.
Complete Chapter 10.
Complete Chapter 10 on Impossible difficulty.
Complete Chapter 11.
Complete Chapter 11 on Impossible difficulty.
Complete Chapter 12.
Complete Chapter 12 on Impossible difficulty.
Complete Chapter 13.
Complete Chapter 13 on Impossible difficulty.
Complete Chapter 14.
Complete Chapter 14 on Impossible difficulty.
Complete Chapter 15.
Complete Chapter 15 on Impossible difficulty.
Complete Chapter 16.
Complete Chapter 16 on Impossible difficulty.
Complete Chapter 17.
Complete Chapter 17 on Impossible difficulty.
Complete Chapter 18.
Complete Chapter 18 on Impossible difficulty.
Complete Chapter 19.
Complete Chapter 19 on Impossible difficulty.
Unlock the Slayer archive page of Clem's Notebook.
Unlock the Marksman archive page of Clem's Notebook.
Unlock the Nooseman archive page of Clem's Notebook.
Unlock the Burrower archive page of Clem's Notebook.
Unlock the Fester archive page of Clem's Notebook.
Unlock the Inferna archive page of Clem's Notebook.
During Chapter 3, kill Dallas.
Beat the game with the good ending.
Beat the game with the neutral ending.
Beat the game with the evil ending.
Obtain the Death House map.
During Chapter 4, help Dallas escape the prison.
During Chapter 5, do a evil action.
During Chapter 5, do a good action.
Obtain the Carnate Island map.
Obtain the Death House Bsmt. map.
Obtain the North Yard map.
Obtain all 8 weapons.
Obtain 9 different files. (Urgent Note and Urgent Tickertape count as the same entry).
Unlock all 15 Clem's Notebook Archives.
Unlock all 18 Consuela's Journal Archives.
During Chapter 11, defeat Dr. Killjoy.
During Chapter 15, defeat Horace.
During Chapter 18, defeat Hermes.
Obtain the East Cellblock North map.
Obtain the East Cellblock Yard map.
Obtain the East Cellblock South map.
Obtain the Recreation Yards map.
Obtain the West Cellblock map.
During Chapter 6, free the inmates trapped in their cells.
During Chapter 7, kill Luther.
Obtain the Quarry map.
Transform into your creature form for the first time.
Fully level up your creature form special attack.
During Chapter 9, use the crane to allow the trapped inmate to cross the quarry.
Obtain the Asylum map.
During Chapter 11, torture the guard in the first room up the stairs by turning the electric device.
During Chapter 11, turn on the power in the basement to allow Sergei to listen to his music, then return to him.
During Chapter 11, shoot the mutilated guard in the padded cell to end his misery.
During Chapter 11, kill Sergei.
Obtain Clem's map.
During Chapter 13, help Clem escape the island.
During Chapter 13, kill Clem.
During Chapter 18, free the trapped inmate and escort him to the lighthouse basement.
Obtain the Flamethrower.
During Chapter 14, obtain the Gonzogun.
During Chapter 20, escort Ernesto to the town.
During Chapter 0, get the cowboy hat.
Complete Chapter 0.
During Chapter 19, unlock the secret room.
Beat the game on Impossible difficulty.
During Chapter 7, help Luther get to the Radio Building.