It has been 4 or 5 times that I redo a savegame because after 1 and 1/2 hours of game, my base is attacked by 6 tech in the same time !!! even with the turret mission ( in early game ) 4 enemys were close to the mission ! I re-made a savegame and I cannot spot less than 3 enemys in the radar ! even with a little tech without defense ! So please, make a system with difficulty... Please !