Of course not but there is skins that is only for cosmetics and can be bought from steam amrket or get it from crates bt if you want to open a crate you will need keys. Each crate has their own key. Crates are cheap but keys are not beacuse you can get crate or cheap skins like 3 or 4 cents after a game of deathmatch or casual but you cant get keys :D
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Is this game p2w?