S.P.A.T. 0.22 — S.P.A.T. Steam update #540221

We listened to player feedback and added some updates to the game. Changelog: New menu design. Brightness settings. Weapon rate of fire increased. For a more dynamic battle. Boss monsters no longer run up at close range, so they block the entire view. Boss monsters can no longer approach houses and get stuck in them. Added footstep sound for infernal dogs. Added footstep sound for Yeti. Added footstep sound for Werewolf. The overall difficulty of enemies has been reduced for single player. We look forward to your feedback on improving balances and the game in general.