How can you escape a vampire's lair? Use your wits to outsmart your captors and secure your freedom.

Richard is a modern vampire who prefers to dine in, always keeping a fresh victim confined in his lair. While all his captives have met their end, YOU aim to be the first to break free.

Engage in a perilous battle of wits against Richard, his vampire ally Paul, and their human servant, Charles. Bleeding out is merely the start of your troubles. Discover the grim reality of sharing a terrible common ground with your captors: you, too, must kill to live.

"Donor" is a 139,000-word interactive novel by Elena Hearty. This experience is entirely text-driven—no graphics or sound effects—powered solely by the limitless force of your imagination.

• Assume the role of a young woman with agoraphobia. While not a romance, you can pursue gay, straight, or bi options in specific end-game scenarios.

• Choose to act as a powerless victim or a cunning strategist.

• Decide whether to befriend or betray your vampire captors.

• Keep your heart rate under control to survive when Richard and Paul grow hungry.

• Explore the shadowy corridors of Richard’s lair in a quest for silver weapons.

• No permanent death. If you die, you'll automatically return to your last significant choice.

• Enjoy numerous mini-games, including Blackjack and Tic-Tac-Toe!

• Unlock a total of 14 endings (7 deadly, 7 "happy"), each with its own epilogue. Conclude your journey as a familiar, a vampire, a vampire hunter, or by winning your liberty!

How will you outsmart the vampires holding you captive?