The game Counter-Strike 1.6 was released by Valve Corporation back in 2000. Despite its rather considerable age, it still has a large fan base. The number of players using official CS 1.6 clients reaches an average of 20,000 people online, while the overall number of game servers registered on Steam exceeds 5,000. Selling, renting, and promoting game servers is now deemed an actual business, and these services can be purchased on various websites.

https://news.drweb.com/show/?i=13135&lng=en