Covert Strike added multiplayer play and limited save game capability. The original, published by Eidos Interactive, offered only single-player play, and no game saves.
It is the sequel to Innerloop's Project I.G.I. The game is a stealth-based first-person shooter. 2, is a 2003 tactical shooter video game developed by Innerloop Studios and released by Codemasters. I.G.I.-2: Covert Strike, known in the PAL region as Project I.G.I.