[BETA] Viral Tower Defense

A nano-medical corporation has developed nano-bots and injected them into human hosts to eliminate disease and help humans live forever. The future looks bright, but something has gone wrong. The nano-bots inside the hosts are being corrupted by malware, turning life-saving technology into a danger. Biological viruses are invading the body too, making things worse by the second. You are a defender deployed inside the human body itself. Fight off every threat before the damage becomes irreversible. One failure could cost a life and destroy everything the company has worked for. Welcome to Viral Tower Defense.