with bots you can do it in custom game if you want to play online just go multiplayer and find a deathmatch server which is like all of them. Most popular would be De_dust maps thats where you will find most players and most servers.
The recommended age to play Counter-Strike is typically around 16 years old, as the game features intense competition and may involve mature themes. However, the game has a rating of M for Mature by the ESRB, suggesting it's suitable for players aged 17 and older. Ultimately, parental discretion is advised, considering the individual maturity level of the player.
The Hunger Strike was created on 2008-03-16.
Da Strike was created on 1994-12-16.
Strike It Rich - 1951 1954-02-16 was released on: USA: 16 February 1954
Crime Strike - 1999 2012-03-16 was released on: USA: 16 March 2012
Crime Strike - 1999 2012-04-16 was released on: USA: 16 April 2012
Crime Strike - 1999 2012-07-16 was released on: USA: 16 July 2012
Crime Strike - 1999 2011-12-16 was released on: USA: 16 December 2011
Crime Strike - 1999 2013-09-16 was released on: USA: 16 September 2013
Crime Strike - 1999 2013-12-16 was released on: USA: 16 December 2013
Air Strike - 2004 V is rated/received certificates of: Germany:16 (cut) Iceland:16 Netherlands:16 Singapore:NC-16 USA:R
The Strike - 1912 was released on: USA: 16 August 1912