0 abbreviation for frames per second: the rate at which different frames (= single pictures that together form a film or video game) appear on a screen:
The size of the video clip at 1,200 fps gets shrunk to a small square in the middle of the screen.
One person might think 10 fps is perfectly fine to play a game like Tomb Raider 2, while someone else will think 20 fps is barely playable.
The only thing you have to worry about with game speed is when the FPS drops below the refresh rate of the player's monitor.