The original Project I.G.I. (2000) and its sequel I.G.I.-2: Covert Strike (2003) were developed exclusively for .

Because of the game's cult popularity, several unofficial versions exist on third-party sites. These are typically:

Announced in 2019 by Toadman Interactive as a prequel, it was intended for PC, PS4, and Xbox One. Development ceased in 2023.

Neither Innerloop Studios nor subsequent rights holders have released an official mobile port of the original games or a third sequel. Common "IGI 3" APKs Found Online

Users searching for an APK will often encounter posing as the real game. The Status of the I.G.I. Series