FPS STARTS HERE
First FPS before COD and Medal of Honor Arguably the grounds and foundations for Both franchises to come after Counter Strike Still widely played today around the world. New FPS got most of their ideas and weapons at one time or another from the Counterstrike franchise. Some what outdated but still widely popular. Source being a bit different from the original version of Counterstrike had updated graphics and sound for guns and maps. Originally designed as a mod your are able to change the color of guns and player models to your liking there are plenty of maps to choose from and if you are so inclined there are ways to make your own maps for the game.