Bionic Commando was released in March 1987. It is known in Japan as "Top Secret
In addition to the different title, Bionic Commando adds:
- The bonus life information that was not present on the original Japanese version.
- Player number information (not present in Japan)
- Weapon's icon below the player information.
- A new color palette for the second player character.
- The player keeps whatever gun they had in the previous stage (not in Japan)
- The Clear Bonus and Time Bonus are faster to display.
- Scoring changed.
- Many bug and graphics fixes.