High Quality Content by WIKIPEDIA articles! Winback (known as Operation: Winback in Australia and Europe) is a third-person shooter video game developed by Koei`s Omega Force studio for the Nintendo 64 in 1999 and PlayStation 2 in 2001. A sequel, WinBack 2: Project Poseidon, produced by Cavia for the PlayStation 2 and Xbox game consoles, was released on April 25, 2006.