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In-game Nausea or Motion Sickness

I experience nausea or motion sickness when I play Source games.  What options are there?

Motion Sickness Statement

The Source engine simulates a variety of simulated environments and intense experiences during normal gameplay.

While playing or watching a Source game, the user may begin to experience nausea,  dizziness, motion sickness or eyestrain.

If you or any of your family experience these symptoms, please discontinue use and test the issue at a later time.  You may find that playing in smaller increments is beneficial.

Enable VSync

Enable VSYNC and raise the monitor's refresh rate in the graphics card / monitor settings to see if this affects your gameplay. 60Hz  is a common refersh rate but higher rates may correct the issue with some users.

Lighting near your computer

Incandescent lighting is usually  better than florescent lighting while playing. Point all lights at the roof or wall not directly behind or in front of the computer or monitor. 

A moderately lit room is preferred to a dark room.  Your eyes may have trouble adjusting to the dark room and then to the bright screen.  Continuous adjustments between the two extremes may have adverse affects.  A moderately lit room can help diffuse the issue for some users.

Frames Per Second (FPS)

Check the FPS your game is currently running.  Open the game console with the ~ key. Type "net_graph 1" and a graph should appear in the lower right corner with FPS listing. The graph can later be removed by typing "net_graph 0"

If you are getting below 30FPS on a regular basis, please try lower screen resolution or some of the graphical settings in the advanced video options in the Options menu.

Lowering your mouse sensitivity to slow your turn rates may also help your symptoms.

Here is a link to the Steampowered Forums to further discuss Motion Sickness symptoms:

http://forums.steampowered.com/forums/showthread.php?s=&threadid=176796

Problem with Steam?

Contact Steam Support