The ultimate experience for trigger happy arcade astronauts...

CAPCOM

Side Arms

THE THREAT: the tyrannical Bozon, who aims to exterminate the earth and its people.

THE MISSION: Lieutenant Henry and Sergeant Sanders must save the Blue Globe. Battle your way through the waves of alien attackers, forcing a path into their gigantic underground empire where the attack intensifies from all quarters - the underground sea as well as hidden enemy positions in the cavern wall. Finally, face Bozon's ultimate weapon, "The Mobil Armour Sentipet" in a desperate fight to the death. Classic "shoot 'em up" action combined with brilliant graphics and an outstanding test of reflexes.

Source:

Back of Plastic Case - Spectrum (US)

CAPCOM"PREMIER WORLDWIDE ARCADE GAME DESIGNER".

SIDE ARMS™

It's the 21st century, and somewhere between the stars and Earth a battle rages.

Streaking across the sky, the stars themselves are clashing with bizarre creatures from deep space who have Earth as their ultimate target. Massive alien hordes are descending to invade your home base.

If you can meet the challenge, you will command the brightest stars ALPHA and BETA in a space race like none before. You must intercept the aliens and shoot first or forget about later. Your star force sweeps the heavens loaded with secret advanced weaponry and protective armor. Snake-like creatures flash out from nowhere. Computer guided explosives are on your trail, destroy them.... or you're history.

Team up with ALPHA and BETA for maximum firepower with rapid artillery that can shoot in 6 directions. Be a star challenger in this colossal and demanding space epic.

Source:

Back of Plastic Case - DOS (US)