Gamespot reports on a glitch in the recently-released Shivering Isles expansion to Elder Scrolls IV: Oblivion. It's unclear at this time if the Xbox 360 version of the title also has it, but on the PC side of things a game-breaking snafu can arise after 50-120 hours of gameplay post-Isles installation. "The bug apparently starts affecting the game as soon as the expansion pack is installed for the PC version of Shivering Isles. The problem arises because the game generates a huge number of identification numbers internally for objects, and once the allotted space for those numbers becomes exhausted, newly created objects will disappear from the gameworld and the game could simply crash ... It appears that the more frames per second the game runs at, the faster that space of identification numbers fills up."

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