A downloadable game for Windows

This is a very simple First Person Shooter game that allows you to simulate any given amount of milliseconds of input lag, as well as framerate caps. It can be used to get a general idea of what it would be like to play streamed games with a certain latency, for example

We have yet to know what the typical network latencies will be like for game streaming platforms, but around 80-120ms would be a good initial guess. So you can start by entering 100 in the "InputLagMs" field and see the difference it makes.

Note: "InputLagMs" is meant to represent only the network latencies. By default, you will still experience regular hardware/display/game code latencies even if the lag milliseconds is set to 0.


  • Press Escape key to toggle mouse cursor activation and game controls activation
  • With mouse cursor activated click on the input fields in the top left to set desired input lag milliseconds value and framerate cap value (0 is unlocked framerate)
  • Press enter to make sure the value you entered is applied
  • When values are set, press Escape again to return to game
  • During the game you can shoot at the red spheres


  • WSAD / LeftStick : move
  • Mouse / RightStick : look
  • Space / BottomButton: jump
  • LeftMouseClick / RightBumper : shoot
  • Escape: toggle cursor activation


InputLagSimulator.zip 25 MB


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thanks SO much for this.. been wanting to show people how bad it is..

Any possibility of simulated ping change? Id love to be able to demonstrate how bad stadia will be when ping is varying between 20ms and 100ms (trying to line up a shot with variable input lag wont be fun)


it'd be awesome if there was a motion blur toggle button - I feel like motion blur absolutely kills any responsiveness


This very handy app would benefit a LOT from an updated version with an "invert Y" mouse input toggle... Couldn't really test thoroughly without it, non-inverted and my cerebellum don't mix and I bet it's the same with a lot of older players who learned inverted.