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My FPS are stuck around 8-12 since a couple days ago, dunno where it comes from.
It goes up to 60fps when everyone is dead, then gets back down around 10fps when another starts.
(Too lazy to upload a picture.)
Windows 10, Firefox, playing on http://forum.curvefever.com/CF_Preloader.swf.
I assume it comes from me, since nobody else complained about it, but it's weird.
No trouble with the same computer (Archlinux, Firefox, same link).