67ms isn't too bad. First person shooter games feel pretty much fine at 67ms. Once you get to 100+ does it get very noticeable, and past 150 is when it gets u

67ms isn't too bad. First person shooter games feel pretty much fine at 67ms. Once you get to 100+ does it get very noticeable, and past 150 is when it gets unplayable. However, it's important to note that FPS games use a lot of tricks with client-side estimations to infer the game state. But depending on the application, you could probably use similar tricks to make things feel responsive.