* bonuses
    * spawn bonus by timer
    * eagle armor bonus for enemy
* tanks and bullets speed balancing
* game series
    * network series
    * save human state in classic game
* map packs
    * create in editor
    * import in game
    * save imported in local storage
    * database
* improve bots
    * A star
* game config macro
* additional weapon
    * mine
    * display count
    * bonus ammo
    * screen gamepad (button enabled, count label)