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Prepare for intense, arcade-style combat in Serious Head! Defend yourself against relentless waves of monsters, strategically building defensive structures to survive. Recharge your energy and unleash powerful weapons as you fight your way through challenging levels. Battle colossal bosses and upgrade your arsenal to overcome increasingly difficult challenges. Can you complete the final day and close the portals? Experience thrilling arena-style shooting with no blood – a unique and engaging experience for fans of arcade shooters. Master the WASD controls for movement, the left mouse to shoot, and the right mouse for iron-sight accuracy. Utilize the mouse wheel or keys 1-6 to switch weapons, and the spacebar for strategic jumps. Get ready for a dynamic and addictive shooter experience! Arena gameplay with no blood makes it suitable for a wide audience. Serious Head, shooter, arcade, monster, weapons, boss, arena, no blood, defense, battle, upgrade, portals, strategy, action, WASD, iron sight, mouse wheel, mobile, handheld, intense, engaging, unique, online shooter, free shooter