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Create a new text file called unlock_all.reg (or download it from a trusted abandonware archive). Paste the following code exactly: igi 1 all mission unlock key fixed
To unlock all missions in Project IGI 1 (I'm Going In), you can use a combination of cheat codes, manual file replacements, or specific in-game "shortcuts" that bypass mission objectives. While IGI 1 does not have a single "unlock all" key like its sequel, the following methods are widely used to achieve similar results. In-Game Cheat Codes Happy gaming