Operation Thunderbolt

OPERATION Get a score of at least 50,000 and enter THUNDERBOLT WIGAN NINJA on high score table.

                   F7 - Completes level, but remember: you must 
                   rescue at least 1 hostage from both of the 
                   enemy bases to finish the game successfully!
                   

Also, entering SPECCY MODE on the high-score

                   list brings on twice the amount of enemies.
                   Meanwhile, entering EDOM TAEHC (CHEAT MODE 
                   backwards) gives you infinite lives, but not 
                   infinite health, so you can still die.