You watched the intro
Get the wide Gun
Get the Bazooka
Get the 3-Way Gun
Get Joe's Machinegun
Get the Hyper Bazooka
Get the Medicine
Get the Flare Bomb
Get the Pendant
Get the Iron Boots
Get the Rapid-Fire Device
Get the Permit
Get the Bulletproof Vest
Get the Helmet
Get Beta communicator
Get Gamma communicator
Get Delta Communicator
The censorship forgot something
Destroy the Albatross without getting hit
Oh I don't want to see that again!
Escape the base in 20 seconds or less
Finish the game
Kill the boss in area 4 (don't shoot the Machine before and don't die)
Kill the boss in area 10 (don't shoot the Machine before)
Kill the Boss in area 7 ( (don't shoot the Machine before and don't die)
Shoot in a Neutral Area
Clear Area 4 without light
Use Light in Area 4
Get 9 lives
Have the maximum health points
Take a POW
Clear area 6 without hitting the boss
You have been spotted!
Take the medicine while at 0 health
Kill 50 enemies with your iron boots
Be saved by the pendant
Reach the boss in Area 5 without shooting
Fall during upper view phase
Clear and visit every area
Finish the game with a maximum of 4 health point (less than 100 bullets)