Radar Scope

Radar Scope is a shoot 'em up in a three-dimensional third-person perspective over a gradient-blue background, often described as a cross between Galaxian and Space Invaders. The player pilots the Sonic Spaceport starship and must defend the space station against enemies called the Gamma Raiders.

Gameplay involves clearing each stage of the Gamma Raiders without colliding with them or their projectiles. Each stage sets 48 Gamma Raiders in a formation, who break away and swoop down toward the player. Some will simply swoop down and fire at the player, and others will try to ram into the space station. The Sonic Spaceport has a damage meter at the bottom of the screen, which depletes with enemy fire. The player can lose a life by either allowing this meter to deplete or by colliding with a Gamma Raider or their projectile. Three types of arcade cabinets were produced: a standard upright, a tabletop version, and a rare sit-down cabinet.