THUNDER FORCE IV (Technosoft - Mega Drive - 1992) LONGPLAY
In the last two years the Federation collected information about the existence of the subsystem "Vios". Considering this, the Galactic Federation mobilizes all of its power and embarks on a search for this new menace.
I loved this game, bought a PlayStation when I found out that Thunder Force V was coming to it. I searched for years to get a good deal on Thunder Force III back in the day (it was a long quest but I finally got one and loved every minute of it).
I have to confess I've never played the other games in the series, apart from testing a few minutes in some emus. Maybe it's time to give them another try.