This is the classic Nintendo game Metroid. You control Samus who must travel through many different areas on her way to the Mother Brain.
Shoot the incoming waves of aliens from lesser flesh eaters to big alien mother bosses as you protect the beacon and upgrade your weapons and soldier. Also You can buy hologram of your soldier to help.
A great game that makes you responsible for protection the beacon from the allies with your weapon that has several type of shooting: single fire, automatic, burst and grenade.