Psycho-Nics Oscar

Psycho-Nics Oscar is a side-scrolling run and gun game where players assume the role of Oscar to fight against invaders in Ordio City. The controls consists of an eight-way joystick and three action buttons for shooting, jumping and selecting a power-up item. The weapon system is similar to Gradius , where the currently selected power-up items appears highlighted at the bottom of the screen. When a power-up item is highlighted by picking up a "N" capsule, players obtain it by pressing the power-up button but the system returns to its initial state.

", which provides additional firepower for Oscar. Making a full rotation of the weapon system changes the "Gun" power-up to "Armor", giving Oscar an armor to sustain enemy hits while making a full rotation twice provides Oscar a "Quick" rapid fire power-up. A checkpoint system is used to respawn a downed player at the start of a reached checkpoint before dying. Sustaining a number of enemy hits results in losing a live, as well as a penalty of lowering Oscar's power to his original state and the game is over once all lives are lost, unless players insert credits into the arcade machine to continue playing.