Air not required when swimming
At the first "Start" screen, quickly press Down(3), Left, Right, Down, Right, Up, Right(2).
Alternate appearance
At the first "Start" screen, quickly press Up(2), Down, X, Triangle, Circle.
Alternate Costumes
At the main menu, quickly press Up, Up, Down, X, Triangle, Circle.
Blue laser
At the first "Start" screen, quickly press Right, Up, Down, Left, Down, Left, Right, Up, Down, Right.
Do Not Press Buttons
Beware of the DO NOT PRESS button in Episode 1. It will nuke you! But press the DO NOT PRESS button in Episode 2 because it creates powerups!
Extra Lives in Episode 1
Get the Jet-Pac then go back to the covered walkway where you started the level. Grab the Extra-Life above the PORT sign, fly along the top of the covered walkway to grab another, then another atop the dome, another atop the sign to the left, then one more behind the tail of the rocket.
Fire charged shots
At the first "Start" screen, quickly press Left(2), Right, Left, Up, Left, Down(2), Left(2).
Maximum health with every health pill
At the first "Start" screen, quickly press Up, Right(2), Left, Down.
Motion sickness mode
At the first "Start" screen, quickly press Left, Down, Left, Right, Down, Right, Left, Up(2), Right.
Play as Evil Blasto
At the first "Start" screen, quickly press Up, Down, Up, Down, Left, Right, Up, Down, Right, Left.
Secrets
Episode 1: In episode, in the begining you know that babe on the faraway platform, well to get her you have to go throuth the whole stage. When at the end turn around walk back to that brown astroide and will see a jetpack, on the other side three lives. Now go back to your space ship in the beginning and go to the back thruster and there is another life. Go by the sign that says "WELCOME TO URANUS" and fly all along there and there is at least 5 or 6 lives there too.
Episide 2: Eventually you will see a pear head carrying a newspaper in his hand. Follow him. When he goes to the toilet, blast him away and you will get a gun and extra lives.
Episode 3: Somewhere in this level there will be a big gap between platforms. There should be 2 lives floating in mid air. If you look closly the stars form steps to a platform full of lives.
Small Blasto
At the first "Start" screen, quickly press Right(2), Left, Down, Up.
Special weapons
At the first "Start" screen, quickly press Up(2), Down(2), Right, Up, Right, Down, Left(2). Then, every life starts with Rapid Fire guns, followed by a Flame Thrower, Heat Seeker, Ice Gun, and Nukes before repeating.
View Babes
Beat the game after saving all the babes. Then, a new "View Babes" options will be available when the next game is started.