This game was updated to version 2.00! The player's aircraft has been changed to the XF-97 prototype. Four levels have been added. The mobility of the player's aircraft has been upgraded. The following aircrafts were added. MQ - 9 (drone), F - 16, F - 15, Su - 27, AC - 130 (transport), and F - 15 Ace. The previous game is now version 1.00, but you can play it. Right click the game name from the STEAM application and press Properties, Beta. You can now play 7 levels in all.