An open world awaits you. Choose your play style: stealth or combat. Face various threats and earn rewards. Upgrade your skills and equipment to overcome increasingly difficult challenges. Cooperate with friends or play alone! - Find four crystals and take them to the temple! - Limited life time: Each crystal you bring will increase the time! Use the teleport to the temple after finding the crystal! - Can be exchanged for more powerful weapons, shields and medical kits!