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I have played the game with good framerates (at least 85) until I got to the level after the bridge where the framerate SUDDENLY drops to something like 5-10 frames per second!!!! (even after restarting game and computer)
No changes to any hardware or software. No changes to any sound or video settings. I'm using SB Audigy 2ZS sound card and a Nvidia FX5900 XT video card.
Anyone any explanation? What so special with this level? (After the bridge I went through a tunnel and then when entering the Highway the framerate dropped.)