Jump into an intense ZOMBIE SURVIVAL adventure! Survive 100 days in a PRISON overrun by UNDEAD HORDEs. Slay ZOMBIEs to earn CURRENCY and buy powerful WEAPONS for your ESCAPE. Team up with friends in thrilling CO-OP ACTION, scavenging resources to outlast the chaos. Test your TEAMWORK and SHOOTER skills in this PVE CHALLENGE. Can you conquer the HORDE and break free from the post-apocalyptic PRISON? Join the fight and claim victory!