Super Nova is an action game likely a shoot 'em up or run and gun title released for the SNES in the USA.  Players likely control a spaceship or character, fighting waves of enemies and bosses using various weapons and power-ups.  The specific developer and detailed gameplay mechanics of Super Nova would require further investigation. However, it is an example of a fast paced action game typical for the console.

Super Nova (USA)

Super Nobunaga no Yabou - Bushou Fuuunroku (Japan)