The game combines horizontal shooting with strategic mecha management and platforming.
: You play as Rex, a commander of an Assault Suit wing.
: It is eventually revealed that the Chron are descendants of a failed human space expedition from a century prior.
: Players have six equipment slots. Weapons, shields, armor, and mobility upgrades (like thrusters) all occupy these limited slots, forcing players to choose between offensive power and survival.
(released as Target Earth in North America) is a classic 2D side-scrolling mecha action game. Originally developed by NCS (Masaya) for the Sega Genesis/Mega Drive in 1990, it is the first entry in the Assault Suits series, which later included Assault Suit Valken (Cybernator). Core Gameplay Mechanics