I have been using the various Profiler tools to try and get to the bottom of this, but nothing immediately obvious seems to strike me as the culprit - so I thought I'd ask here in case anybody has any suggestions or insights about what could possibly be causing this issue. Basically, I can play my game and find that the experience is completely smooth, no jitter, no stutter, steady frame rate, etc. However, I can then run an identical test* and find the opposite to be true, lots of lag and stuttering going on (not just the camera / player, the game on the whole). *i.e. launch the game (standalone, not in the editor) - go through the same menu flow - and play the same level with the same character and game settings I'm also currently calling the following in code based on previous recommendations I've read: QualitySettings.vSyncCount = 1; Application.targetFrameRate = -1; But honestly I'm not sure if that's best practice, other than eyeballing the resulting performance. Any tips, advice or nudges in the right direction would be greatly appreciated!