Discomfort controls - when you move, you can suddenly shoot, or when you shooting, you suddenly can start moving. Reloading button on the top of the screen, really? Or maybe you think swiping on the top of the screen is best solution for changing weapons? Balance, devs don't know that word. Medium difficult sometimes is easiest, then hard - bots rush you with powerful SMG and shotguns, you'll die in 1-2 second. Ads - 6 ads on simple case, for 15 card of 300 for next level of weapon is normal?