- The system of procedural level generation, - The detection system, - Weapon system - Several types of weapons, ammunition, grenades, recharge, boxes with ammunition. - Health system - first-aid kits, receiving damage, knocking back when taking damage. - The points system is the purchase of cartridges for points. Points are given for killing robots, with a successful passing level. - The experience system is the unlocking of new weapons for experience points. Experience is given with a successf