Item description:

Step 1: "No enemy fire" bug.
There is a bug that makes the enemies unable to fire there missiles. To use it, load this save MEGA and play the game until level 11 this will earn you Stage 10 Reached and possibly Scorpion and Stingray

Step 2: "Stage 11 Perfect"
Get a Perfect Bonus on the Stage 11 Challenging Stage! load this save MEGA and then play to stage 15 and this will earn you Stage 11 Perfect and possibly Dragonfly and Galboss

Step 3: "Stage 15 Perfect" and "Single Perfect"
Get a Perfect Bonus on the Stage 15 Challenging Stage! load this save MEGA and then play to stage 19 and this will earn you Stage 15 Perfect and possibly Mosquito. I also did Stage 15 again to get Single Perfect load this save MEGA

Step 4: "Stage 19 Perfect + Starge 20 Reached"
Get a Perfect Bonus on the Stage 19 Challenging Stage! load this save MEGA and then play to stage 23 and this will earn you Stage 19 Perfect, Stage 20 Reached and possibly Mosquito

Step 5: "Stage 23 Perfect"
Get a Perfect Bonus on the Stage 23 Challenging Stage! load this save MEGA then play to stage 27 and this will earn you Stage 23 Perfect

Step 6: "Stage 27 Perfect"
Get a Perfect Bonus on the Stage 27 Challenging Stage! load this save MEGA and then play to stage 31 and this will earn you Stage 27 Perfect and Stage 30 Reached If you have trouble getting to stage 30 load this save MEGA

Step 7: "Stage 31 Perfect"
Get a Perfect Bonus on the Stage 31 Challenging Stage! load this save MEGA and this will earn you Stage 31 Perfect

Step 8: "Ace Pilot"
Use this save MEGA get Ace Pilot, once loaded just do nothing do NOT fire just die and Ace Pilot will pop.

Step 9: Clean up
Use Stage select to gain the other missing Trophies like Dual Fighter, Enemy Fighter and Escape Artist