Megaton Musashi W: Wired

Customize the parts and weapons of giant robot Rogues
to take back the Earth from alien invaders in this mecha
action RPG. Defeat enemies with flashy and exhilarating attacks!

■ Engage in exciting robot battles while being immersed in a thrilling story!
As Earth faces invasion by an alien force, a number of young people are chosen to pilot giant robots called Rogues to take back their home in this enthralling mecha action RPG.
Customize your Rogue to make it your own, master flashy attacks in the midst of battle, and enjoy an intricate tale full of rich characters.

■ Hack and slash through missions to obtain legendary items!
Eliminate your enemies with invigorating attacks to clear missions! Win battles and obtain parts to upgrade your Rogue! Collect rare items including custom parts, weapons, and power-up materials! Find legendary items to assemble the ultimate mecha!

■ Fight alongside your friends to defeat powerful enemies, or take them on in head-to-head battles!
Up to three players can either play cooperatively or participate in fiery versus battles against other teams of up to three online!

■ Collab mechs join the action!
The classic super robots, Mazinger Z, Getter Robo, Combattler V, and Voltes V join Megaton Musashi in an epic collaboration! Both the mecha and their weapons are ready for battle! Collect all of the parts to assemble your own personalized battle machine!

*Check the official website for more details.

Source: Steam Store Description