: Alex eventually learns he was a Gentek researcher who stole a vial of the virus as "insurance". When cornered by Blackwatch at Penn Station, he smashed the vial, releasing the virus and dying in the process.
: The "Alex" you play as is not actually human. When the original Mercer died, the Blacklight virus entered his body and reconstructed it, becoming a sentient copy that believed it was Mercer. : Alex eventually learns he was a Gentek
: A ruthless special forces unit dedicated to containing biological threats through any means necessary. When the original Mercer died, the Blacklight virus
: Alex infiltrates the USS Ronald Reagan with the help of a mysterious contact, who is revealed to be a Supreme Hunter —a monster that had consumed and replaced a Blackwatch officer named Captain Cross. The Ending The Ending : Victims of the Blacklight virus
: Victims of the Blacklight virus who have mutated into violent monsters. Major Story Beats
Alex defeats the Supreme Hunter and flies the nuclear device into the Atlantic Ocean. Though caught in the blast, a small piece of his biomass survives and regenerates after consuming a crow. He remains in the city, reflecting that while he is "something less than human," he is also "something more". Prototype Wiki | Fandom
As Alex hunts for the truth behind his existence, he navigates a Manhattan overrun by a viral outbreak and two primary factions: