Fireboy Watergirl In Zombies World Adventure.The three brothers once again came to the zombie world to take an adventure, help them avoid the attack of zombies and collect all the diamonds. Fireboy and Watergirl, Zombies World, adventure game, 2 player game, cooperative game, diamond collection, zombie adventure, puzzle game, kids games, family games, mobile game, adventure, puzzle, teamwork, survival, 2 player, online game