See Indiana Jones and the Temple of Doom HEX-code here!

 For infinate lives in this game, use the DOS utility DEBUG.
 First backup your game to be edited, then type the following
 from the dos prompt:
                                        
 ren indy.exe cheater.cht
 debug cheater.cht
 e 113a 90 90 90 90
 w
 q

 Then rename CHEATER.CHT back to its previous name.