# gamescope > A micro-compositor used as a game layer. > More information: . - Run a program with gamescope on the terminal: `gamescope -- {{program}}` - Run a game with gamescope through Steam: `gamescope -- %command%` - Upscale a 720p game to 1440p with integer scaling: `gamescope {{[-h|--nested-height]}} 720 {{[-H|--output-height]}} 1440 {{[-S|--scaler]}} integer -- %command%` - Limit a vsynced game to 30 FPS: `gamescope {{[-r|--nested-refresh]}} 30 -- %command%` - Launch Steam in Big Picture Mode and integrate with gamescope: `gamescope {{[-e|--steam]}} -- /usr/bin/steam -tenfoot` - Specify which display to prefer: `gamescope {{[-O|--prefer-output]}} {{HDMI-A-1,DP-3,...}} -- {{program}}` - Toggle fullscreen: `` - Display help: `gamescope --help`