Worms™: Ultimate Mayhem is the definitive 3D "Worms™" game! Load your weapons and experience a whole new dimension in destructive turn-based cartoon action! Taking the game into 3D creates all-new strategic and gameplay possibilities. With over 70 single-player missions and challenges, online and local multi-player for up to 4 players, 5 multi-player modes, Steam Achievements, unprecedented customization of both worms and weapons, and fully destructible environments, it's bursting with anarchic mayhem. Battle and puzzle your way through all of the missions from both "Worms™ 3D" and "Worms™ 4: Mayhem" - it's essentially two games in one. With the addition of HD visuals, gameplay enhancements and new extra content, it is the ultimate 3D "Worms™" collection!