Rival Megagun is an action-packed shooting game with a competitive twist, available on Xbox One. The game allows you to transform into a Mega Gunship boss form to blast your rival head-on in a split-screen vertical shmup. The game features classic shmup action with a competitive twist.

In Rival Megagun, you can play as multiple heroes, each with their own set of special weapons and Mega Gunship boss form. The game offers intense 2-player local and online versus battles. Additionally, players can unlock gear and weapons for customizing their ship. The game also offers a single-player arcade mode for those who prefer to play solo.

Overall, Rival Megagun is an exciting and unique game that offers a fresh take on the classic shmup genre, with its competitive twist and Mega Gunship boss form. It is a perfect game for those who love action-packed games and enjoy competing with friends both online and offline.