Gamma is a video setting that affects the brightness of the game world. In Minecraft, gamma can be adjusted to make the game world brighter or darker. This can be useful for players who find the default gamma setting to be too bright or too dark.
There are two ways to change gamma in Minecraft. The first way is to use the in-game settings menu. To do this, open the settings menu and select the “Video” tab. Then, use the slider next to “Gamma” to adjust the gamma setting.