Here is the full list of all 8 Space Ace trophies - there are 3 bronze, 3 silver and 2 gold.
Energize in the First scene
Complete the game in Cadet mode, with Infinite Lives
Watch the entire game
Complete the game in Captain mode, in 5 Lives mode
Complete the game in Ace mode, in 5 Lives mode
Complete the game without Energizing in all but the final level
Complete the game Energizing in all scenes - (Ace mode, with 5 Lives)
Complete the game in Ace mode, with no Move Guide, in 3 Lives mode