If you use "no framerate limit" OFF (to apply the in-game framerate limiter), note that the 441.87 GeForce driver limits your fps to 100. This is too low for subspace to be playable, so either don't update your driver, or expect to have to turn "no framerate limit" ON and have increased GPU load.
More detail: https://forums.trenchwars.com/forum/...03#post1332803
More detail: https://forums.trenchwars.com/forum/...03#post1332803