The major cause of differences between the PAL and NTSC versions of Timesplitters: Future Perfect is the fact that players on the PAL version have a choice between playing in 50 hz mode or 60 hz mode. 60 hz mode is identical to the NTSC version. Playing in 50 hz mode results in several significant differences.
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#'''Machine Wars: All difficulties'''
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#: The tank moves faster in 50 hz mode than it does in the NTSC version. NTSC players lose approximately 30 seconds due to this difference.
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#'''You Genius, U-Genix: All difficulties'''
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#: Playing in 50 hz mode results in a better flight pattern of the enemies at the very end of the stage, allowing for consistent fast endings for PAL players. This is offset, however, by the fact that playing in 50 hz mode also results in some of the cutscenes lasting longer than in the NTSC version. It is also possible to kill the four enemies at the end in a timely manner on the NTSC version, but it is more difficult to do.
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#'''Virtual Brutality'''
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#: Playing in 50 hz mode causes the monkey head at the end of the stage to rotate at a different speed, allowing for strategies that cannot be performed on the NTSC version. The current world record strategy for the stage, however, is possible to perform on both versions.