Symbiont 0 is a captivating text quest game for iPhone that takes you on a suspenseful journey through a secret laboratory filled with zombies. In this gamebook, you play as a neurobiologist who finds themselves locked up in the laboratory, facing the undead. Just when things seem dire, an operator contacts you, offering a helping hand.

This game serves as a prequel to the events of Symbiont 1, shedding light on the tragedy that occurred at "Shelter M-2". It delves into the reasons why the scientists were abandoned among the walking dead and how Shepard, the protagonist, got infected. 'Zero' holds all the answers you seek.

With its concise storyline, Symbiont 0 acts as a crucial link between all the parts of the original 'Symbiont' zombie universe. The game delivers pure action at the most dangerous and intense moment, leaving no room for expectations. The original musical and audio score enhance the immersive experience, creating an atmosphere of adventure and horror that is truly unmatched.