Setting -nofbo automatically implies -nomsaa , which turns off multi-sample anti-aliasing. This can lead to a significant FPS boost on older or low-end hardware.
The parameter stands for "No Frame Buffer Object". Added during a major Steam update to improve compatibility with modern operating systems (like better Alt-Tab functionality), the new Frame Buffer Object (FBO) method often introduced unwanted side effects for hardcore players, such as: cs 1.6 nofbo
On modern widescreen monitors, the game might force a stretched view. Using -nofbo (which also implies -stretchaspect depending on your setup) allows for better control over how the game scales, often helping players who prefer black bars or specific scaling modes. Side Effects to Watch For Setting -nofbo automatically implies -nomsaa , which turns