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Is there a way to enable non-linear mouse acceleration in Deus Ex: Human Revolution?

I'm asking about a non-linear translation of physical mouse movement speed to angular speed of the in-game view. This type of translation feels very natural to me, as it's implemented in many desktop operating systems and in most FPS games I've played.

I don't know if acceleration is the right term for this, but I remember Windows' mouse control panel calling it that way in some older versions of Windows. In Window 7 it's called enhance pointer precision and is enabled by default. It's called pointer ballistics by Microsoft and is described in this article.

I can't find any option controlling this in the game's menu or it's setup utility (launched from Steam by choosing Setup Deus Ex: Human Revolution after double clicking the game in the game library). Without this option, I find aiming very hard because if I configure the mouse sensitivity to get acceptable aiming precision, making a 180-degree-turn is impossible without either moving my wrist or lifting the mouse and moving it in the reverse direction.

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  • I'm going to go ahead and admit I don't fully understand your question, but I do know that toggling VSync (can't remember if I had to turn it on or off) fixed mouse acceleration problems for me in that game.
    – Sterno
    Commented Jan 5, 2012 at 19:50
  • What about just increasing the mouse sensitivity? If you have a high resolution mouse, (mine is 5000 dpi max, but I keep it around 2500) you can easily whip around without having to lift and track.
    – Nick T
    Commented Jan 5, 2012 at 19:52
  • Some players consider that cripple mouse movement simply because the PC version is a port from the console version.
    – Anto
    Commented Jan 5, 2012 at 23:48
  • @Sterno What part of my question is unclear? I will try to improve it!
    – Feuermurmel
    Commented Jan 6, 2012 at 2:44
  • @NickT A more precise mouse would probably do some good, but my main problem is that I'm not used to such precise mouse movement (I'm more of a casual gamer) and that I'm very accustomed to the behavior of other games.
    – Feuermurmel
    Commented Jan 6, 2012 at 2:56

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It does indeed seem to be impossible to have any kind of nonlinear acceleration in Deus Ex: Human Revolution. Yet I was surprised how well I could adjust to the difference in conversion from mouse to camera movement between this game and what I'm used to from other games (using any of the games based on the Source engine from Valve as a reference).

But I still notice that I need to move the mouse much farther and/or faster while being less precise at targeting, so I still consider this a deficiency of Deus Ex: Human Revolution's engine.

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