The history of open-world gaming is filled with ambitious games that collapsed under the weight of their own ideas. Released in 2005 by Ukrainian developer Deep Shadows, remains the ultimate example of this "Eurojank" phenomenon. It combined the deep systems of an immersive sim with a massive, seamless 25x25 kilometer map—years before Far Cry 2 or S.T.A.L.K.E.R. popularized the genre.