Dark

The protagonist of DARK is Eric Bane, a guy who was bitten by a vampire and lost his memory. Unfortunately his "benefactor" is unknown and if Eric does not get to drink his blood soon, he'll become a mindless ghoul. So he sets out to search for rescue and his identity - the starting point being to seek out powerful old vampires whose blood could also work. The story is told in cutscenes and multiple-choice dialogues. Despite receiving some vampire powers, Eric is weak and does not stand a chance...