This game offers a thrilling experience as you engage in a relentless battle against countless enemies, utilizing a variety of weapons such as guns, missiles, drones, and beams to overcome them.One day, a hole opened up in the ground.The gaping hole emitted an eerie, pale blue light, with no visible bottom.Soon, monsters emerged from the hole.You climbed into a combat vehicle and fought to prevent the monsters from escaping the walls.Mission:- Prevent the monsters from escaping the walls.- Upgrade and enhance the weapons of the combat vehicle.Weapons:- Machine gun- Missile- Beam- Close-range attack drone- Electric shock attack droneEffects:- Increase vehicle speed- Expand the range for coin and experience absorption- Boost durabilitySpecial:- Coin acquisition- Wall durability restorationThe battle to keep the monsters contained within the walls begins, all for the sake of humanity.