Solar Eclipse 
Saturn


Cloaking Device:

 
Pause the game, select Chase Plain View and press Right, Down, Down, Left,
Down, Right, A, C, Up, Left, A.
 

Energy Sponge:

 
Pause the game and press Right, Down, Down, Left, B, Up, Start, Y. 


9 Lives:

 
For nine lives, pause the game, select Chase Plain View and press Right, Down, Down, Left, B, Up, Down, Down, Y.
 

9 Missiles:

 
To gain 9 missiles, pause the game and press Right, Down, Down, Left, Start, C, Up, Down.


Invulnerability:

 
Pause the game and press Right, Down, Down, Left, Right, A, Start, C, A, Left. 


Level Warps:

 
Enter while the game is pause...


Underwater Level:


Right, Down, Down, Left, Start, Up, B



Programmer's Level:


Right, Down, Down, Left, C, Right, A, Z, Y



Somethin' Trippin':


Right, Down, Down, Left, B, A, Right, Start



Fade to Black:


Right, Down, Down, Left, X, Y, Z, Z, Y



House Hunt:


Right, Down, Down, Left, Y, A, Right, Down



Frost Byte:


Right, Down, Down Left, B, Up, Right, Right



Chowder:


Right, Down, Down, Left, Y, Down, Down, Up, Right, C



The Horde: Kill Cows:


Right, Down, Down, Left, C, Up, Down



Trench:



Right, Down, Down, Left, Right, Right, Down, Down



Offworld:


Right, Down, Down, Left, Right, A, C, Y, C, A, Right



Corkscrew:


Right, Down, Down, Left, Start, C, Right, Up







Thanks to Revolution readers Robert Lang and Maximum Rock!