Update 1.2.0

Changed color of reflected bullets to green. - Changed BGM. - Changed the Red's 4th skill. - Increased the Red's 1st skill cooltime from 0.7s to 0.8s. - Reduced the Red's 1st skill attack power from 35 to 25 - Increased the Red's 3rd skill attack power from 10 to 20 - Changed the Red's 3rd skill to heal a player 5% of the damage. - Made that Each difficulty enemies have different bullet number and cooltime, etc. - Reduced player characters basic attack power from 20 to 15 in easy mode. - Reduced player characters basic attack power from 10 to 9 in hard mode. - Reduced player characters basic attack power from 10 to 8 in hell mode. - Reduced enemy basic attack power from 30 to 20 in hard mode. - Reduced enemy basic attack power from 200 to 30 in hell mode. - Added information texts when a player goes down to a next level. - Added keyboard settings and controller settings. Have a nice day!