Velan Studios released Knockout City as a free to play game. This means that players no longer need game subscriptions, such as PlayStation Plus, Xbox Live Gold, or Nintendo Switch Online, to play the game online.

Players who purchased the game before June 1, and logged in at least once, will receive a special bundle. This contains a special makeupitems that grant XP boosts, 2000 Holobucks, Knockout City in-game currency.

In addition to, The sixth season of the game has been available since Wednesday† This includes a new ball: the Boomerang Ball. This ball can be returned to the hand of the player who threw it. Moreover, new arenas are available and there is the possibility to play basketball and football in the bunker.

Knockout City is a multiplayer game in which players compete against each other as a team. The game is about throwing, catching, passing and dribbling the ball. Characters who do not have a ball in their hands can turn into a ball. Developed by Mario Kart Live: home rink creator Velan Studios. Knockout City was released on May 21, 2021 for Windows, Nintendo Switch, PlayStation consoles, and Xbox consoles. It was also available on EA Play until June 1, 2022.