The updated US version censored the game's text to remove all mentions of real world countries and organizations. The initial US version is identical to the World and Japanese version, save for the aforementioned region value at 0x3FFFE. Licensed Revision Differences Intro Old US Version Place the following code in any of the Operation Thunderbolt xml cheat files to switch between publishers: Taito self-published the game in all regions, so this string was never used. The unused value 04 sets the publisher to a placeholder 'Licensed To' message. This is either 01 in the Japanese version, 02 in the US version, or 03 in the World version. The word at address 0x3FFFE in the sub-CPU controls the game's region and copyright text. Press 1P Start to select a mission, and 2P Start to start that mission. Then, press 1P Start (x3), Service Coin, 1P Start. This game uses the Taito Code: Hold the Service Coin button until a 'SERVICE SWITCH ERROR' message pops up on the screen.
