Get ready for a heart-pounding night of survival in Zombie Knocks Door 3D, an intense tower defense strategy game inspired by the popular "Haunted Dorm" mechanics! When the lights go out, the terrifying zombies start prowling the corridors. Your only chance of survival is to quickly find an empty room, close the door, and get into bed. Sleeping generates gold coins, which are your lifeline. Use this wealth to continuously upgrade your door's hit points and build a variety of powerful turrets on the empty floor tiles. The zombie will relentlessly knock and smash your door, growing stronger with each passing minute. You must strategically balance your economy: do you upgrade your bed to earn gold faster, or reinforce the door to survive the current attack? With immersive 3D graphics, thrilling suspense, and deep strategic choices, this game will test your nerves and tactical skills. Survive until dawn or defeat the zombie to win!