As of now, there is no officially declared supplementary installment of the "Project IGI" series. The native Project IGI: I'm Going In was released in 2000, followed by its sequel IGI 2: Covert Strike in 2003. Both games are well-regarded for their tactical first-person shooter gameplay, emphasizing stealth and strategic planning exceeding easy to use action.
There have been rumors and occasional unofficial reports exceeding the years not quite a potential further "Project IGI" game. For instance, in 2019, Toadman Interactive, a Swedish video game developer, announced that they were full of zip on a further edit in the IGI series titled IGI: Origins, meant to be a prequel to the native game. This advertisement generated considerable excitement among fans of the series.
I.G.I.: Origins is set during the cold court case and promises to retain the tactical, stealth-based gameplay that defined the earlier games. The improvement has been relatively quiet, next periodic updates hinting at ongoing progress. Fans are eagerly awaiting more concrete information, such as a pardon date or detailed gameplay footage.
For the latest and most accurate information, it's advisable to follow certified announcements from the game's developers and publishers. They will provide verified updates vis--vis the onslaught status, freedom dates, and further valuable details.