https://pcgamingwiki.com/wiki/Manhunt_2
60FPS download can not be open(may be the website was dead)
and the Run the game at screen refresh rate • Link[edit]
Some resolutions are limited to 100 Hz, even if the screen refresh rate is set higher than that.
Set screen refresh rate[citation needed]
Download Special K.
Copy SpecialK32.dll to the installation folder.
Rename SpecialK32.dll to d3d9.dll.
Start the game and exit.
Open d3d9.ini in the installation folder.
Change RefreshRate=-1 to RefreshRate=0 under [Render.FrameRate].
2 issues ,need help!