What is a good free screen recorder for PC games such as cod world at war I tried the screen recorders that don't require a download but they don't work?

When it comes to a good free screen recorder for PC games, you cannot miss the default Windows Game Bar. It's pre-installed and free on Windows to specially record games. Sure, if you don't mind installing, OBS and VLC can be good options.

To pursue high-quality video recording without frame drops, Joyoshare VidiKit (Screen Recorder and Editor) can be your further choice as well. No lag, no time limit and no watermark.