Extract all files from the downloaded .zip or .rar archive directly into the main game folder, replacing existing files if prompted.

The "Project IGI no CD" crack was one such solution. By patching the game's executable file, players could bypass the CD-ROM check, allowing them to play the game without the disc. This innovation had a significant impact on the gaming community, as it provided a convenient and cost-effective way for players to access their favorite games.

Locate the specific byte offset responsible for the CD check.