The game needs 128 MB of RAM and about 1.5 GB of hard drive disk space. IGI 2 download comes with 19 missions and a range of side missions. Originally released for Windows XP, it’s currently available for multiple versions of the Windows operating system. Developed by Innerloop Studios, the game was published by Codemasters. In this game, the main character is an agent tasked with putting a stop to the gruesome World War III. IGI 2: Covert Strike is one of the most popular action games for Windows PCs.