Karos Онлайн is an independent, noncommercial game server inspired by Karos Genesis, offering players a way to revisit the online role-playing game with a Russian-language client. The project says it operates its own server infrastructure and provides free account registration, with no paid-item shop or scheduled world resets. Players can create an account, confirm their email address, download the client, and log in to begin playing.

The site also provides gameplay guides, a wiki, player rankings, server status updates, and information about the game’s history and current availability. An account cabinet includes character information, a KGP balance, a shop, and options to change account details such as a password or email address. The site reports live player and world statistics, including current online players and monsters.

It notes that the server was restored at a different address after a reported large-scale attack, and that its promotional video had previously been removed from YouTube