After Hours is an update for GTA Online, released on July 24th, 2018. It adds nightclubs, Business Battles, Client Jobs, 15 new vehicles, the Stone Hatchet, 8 new player actions, one new walking style, and a new radio station to the game.
Grand Theft Auto Online is a multiplayer mode of Grand Theft Auto V which considered a stand-alone title by Rockstar Games. It was released on October 1, 2013, 14 days after the single player mode.
The action takes place before the events of GTA 5 in the same map. However, the gameplay is different, there is no storyline, and players create their own customized characters through the use of a character creation tool.