If you remember a scary zombie game from your childhood, it was likely the Flash version. Since Adobe Flash is retired, you can't play it in a standard browser anymore.
Getting a "full version free download" for a game called C.Q.C. - Close Quarters Combat is complicated because there are actually three different games with that name. One was recently removed from stores, and the others are older cult classics or browser-based titles. C.Q.C. - Close Quarters Combat (2018 Top-Down Shooter) If you remember a scary zombie game from
Use the by uncommenting the line ;RenderDevice=D3D9Drv.D3D9RenderDevice in the engine settings. CQC (Classic Flash Zombie Game) - Close Quarters Combat is complicated because there
Download the Flash Player Projector or use a service like Newgrounds (Newgrounds) with their custom player. - Close Quarters Combat (2018 Top-Down Shooter) Use
Up to 4-player local split-screen co-op against hordes of zombies.
The devs removed it because they felt it no longer met their quality standards. Close Quarters Conflict (2007 Tactical Shooter)
Edit the CQC.ini file to change the DesiredRefreshRate if your game is flickering.