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RollerCoaster Tycoon seriesRCT1 and 2 max out 1 CPU core - is there a fix?(5 posts)solved(5 posts)solved
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Posted April 23, 2018
Hi,

I've noticed that both RCT1 and RCT2 both max out 1 CPU core on my Windows 7 system (even while the game is at the main menu or paused etc.). (i.e. constant 13% CPU usage.) Does anyone know why this is happening and/or how to fix it please? Maybe the framerate is uncapped or something, and somebody knows a tweak to cap it to 60 fps?

Thanks :)
Post edited April 23, 2018 by kingkeith
This question / problem has been solved by Plokite_Wolfimage
Posted April 23, 2018
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kingkeith: Hi,

I've noticed that both RCT1 and RCT2 both max out 1 CPU core on my Windows 7 system (even while the game is at the main menu or paused etc.). (i.e. constant 13% CPU usage.) Does anyone know why this is happening and/or how to fix it please? Maybe the framerate is uncapped or something, and somebody knows a tweak to cap it to 60 fps?

Thanks :)
OpenRCT2 can manipulate the framerate.
Posted April 25, 2018

OpenRCT2 can manipulate the framerate.
thanks, it took me a while to find the option (top right Options button in this image), and it defaults to capped (at 40, with no way that I can see to change it, but its fine) which is nice. Uncapping shows the same CPU usage as "closed"-RCT(2), which proves/confirms that it is indeed an FPS problem there. It'd be nice if GOG could fix it, so I don't need to install third party software to fully enjoy the games I bought, but hey, I'm happy I have a workaround. Thanks again!
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openrct2.png (257 Kb)
Posted April 25, 2018
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kingkeith: It'd be nice if GOG could fix it
They'd need permission from Chris Sawyer and/or Atari, if that's even the source of the problem.

OpenRCT2 is code-independent from RCT2 anyway, so the authors might optimize it at some point.
Posted March 06, 2019
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kingkeith: Hi,

I've noticed that both RCT1 and RCT2 both max out 1 CPU core on my Windows 7 system (even while the game is at the main menu or paused etc.). (i.e. constant 13% CPU usage.) Does anyone know why this is happening and/or how to fix it please? Maybe the framerate is uncapped or something, and somebody knows a tweak to cap it to 60 fps?

Thanks :)
While I recommend using OpenRTC2 as the other posters mentioned, you could also try forcing on V-Sync using your video control panel. This will cap the frame rate to your monitor's refresh rate. This is a common hack that works well.

If you don't have the option in your video card's panel you can go look around the web for the other utility options out there.
Post edited March 06, 2019 by Ruedii
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RollerCoaster Tycoon seriesRCT1 and 2 max out 1 CPU core - is there a fix?(5 posts)solved(5 posts)solved
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