To login to Genocide, you must telnet to the machine "geno.org", port 2222. You will need a telnet client application.
Under systems like UNIX or Linux, this is usually as simple as using the command "telnet geno.org 2222".
For systems such as Windows or macOS, you will need to download a telnet client program. Below is a list of some telnet software that works especially well with Genocide, and configuration details specific for each program (where necessary). The configuration information assumes you will be connecting directly to Genocide from the program.