Just one boss is a fun and challenging arcade game in which you have one aim – to defeat the boss! As the title suggests, you have only one boss to beat, but this boss is demanding and cunning! You control a cute little blue slime ball, and you must move around the playing field, avoiding the boss’s attacks. To damage the boss, you must jump over the white tiles that appear. Keep moving and watch for the attack pattern the boss displays. You must move quickly and return to the white tiles frequently to have any hope of defeating him! This game has fresh retro 8bit graphics, quirky music and exciting gameplay. Jump into the arena and try to beat just the one boss today!