Some of the chassis in the first game have been modified to include these new weapons. New mechs, offensive and defensive weapons are introduced including the new Nova Cat and Star Adder Mechs as well as reactive and reflective armor abilities. Many mechs also come with a defensive system such as cloaking or target jamming. Pilots can collect power ups for each of the three weapon categories that enhance the weapon for a set amount of shots. LIke other Battletech games, weapons come in three categories: energy, ballistic and missile. Like the previous Mechassault, the player cannot customize the mech and each chassis comes with a predetermined armor, heat capacity and weapon sets. Players can choose to pilot light, medium, heavy or assault mechs. Mechassault 2 features the same third person perspective mech gameplay as its predecessor. Completing the campaign unlocks the Nemesis avatar. The player eventually collects all five data cores and uses them to fight the new leader of the Word of Blake: Nemesis. The Word of Blake is attempting to find the lost data cores that contain lost technology in order to build the ultimate mech and it is up to the Mechwarrior to stop them.

The campaign continues the story of the silent Mechwarrior, a Wolf's Dragoon mercenary mech pilot, and his unit as they continue to fight the radical World of Blake. Campaign A Star Adder charging up its mighty Alpha Strike Though primarily focused on mech combat, Mechassault 2 allows players to exit the mech and pilot Power Armors, tanks and VTOLs.

Natalia as they continue their fight against the Word of Blake. Mechassault 2 is a third person shooter developed by Day 1 Studios in conjunction with FASA Studios.

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