An old Left 4 Dead prototype was inadvertently put into a recent Counter-Strike 1.6 update November 26, 2023 by admin Tweet Valve updated its long-running Counter-Strike 1.6 game with a new patch earlier this week. However, that patch also put in code for a very early prototype of its zombie shooter Left 4 Dead. Read more… Neowin Related Posts:Counter-Strike: Global Offensive reaches a new…Counter-Strike 2 has officially launched, while…Counter-Strike 2 among over 20 new games added to…Valve might be teasing us with a Counter-Strike 2…Don't use this feature if you play Counter-Strike 2…