Here is the full list of all 11 1993 Shenandoah (JP) trophies - there are 6 bronze, 4 silver and 1 gold.
Finish a planetary level without losing a life. You have 1 try on each planet.
Defeat Nestor in less than 3 minutes.
Defeat the malfunctioning Space Machine.
Own 4 fully upgraded weapons.
Kill no enemies except bosses.
Defeat Nestor without using the Megablast weapon.
Die exactly 42 times during the whole game.
Absorb 1000 bullets with your shield.
Take no hits on any level.
Be careful when playing with fire.
Your mission has started.