Play as Marshal Jarak leading Earth's defense against the Vrarkrix invasion. Manage resources, upgrade defenses, and command troops on Callisto. Complete missions to repel alien attacks and protect remaining human colonies.
by Oathsworn Software Limited★ 0.00 ratingsGamesFreeData updated 2026-09-06
Manage an underground bunker to survive a nuclear apocalypse. Collect resources, craft tools, and defend against threats. Expand your base, develop characters, and explore the surface to find supplies.
Manage defense lanes with unique monsters to repel human attacks. Upgrade lanes to unlock new defenses and expand castle structures. Refit castle layouts to enhance battle strategies and improve defense efficiency.
