It's possible now to play Zombie Parade Defense 4 game in your web browser for free at iyigames.com. Zombie Parade Defense 4 continues with a new defense. Defense this time is more difficult because zombies now attack from both directions. But there are new stronger weapons, bonuses, and the 4th player joining the game. You must stop the zombies coming in waves before your castle falls.
Player 1: Move: "W, A, S, D" Switch Gun: "Q" Go in/out Base: "E" Player 2: Move: "ARROW KEYS" Switch Gun: "." Go in/out Base: "L" Player 3: Move: "Y, G, H, L" Switch Gun: "T" Go in/out Base: "U" Player 4: (from the numeric keypad)