Frank Horrigan, walking tank and super soldier of the Enclave, ends up in Equestria of all places when he is defeated by the Chosen One. At the end of each chapter, you make the decision for what Frank does in the next chapter!
A young filly in present day Ponyville is cursed with nightmares of post-apocalyptic Equestria. She finds herself influencing the course of future history in ways that she cannot understand.