Alone: Zombie (2019)

"After a devastating disease wipes out humanity, John emerges as the last person on Earth. Alone and haunted by the loss of his family, he contemplates suicide. However, as he roams the desolate world, he discovers that it is now overrun by zombies. With only one bullet left, John faces a moral dilemma - whether to use it on himself or confront the nightmarish reality that surrounds him. In this gripping tale of survival, John must decide what to do with his last shot in a world that has succumbed to the undead."