one of the best half-life mods available. inspired by action movies, most notably the matrix, kill bill, face-off, and others. you can even do inhuman acrobatic stunts.
unfortunately, it's marred by people who complain and whine all the time about certain weapons, elitists who hold others' fighting styles with contempt, elitists who refuse to use certain weapons because they feel those weapons are too "cheap", and the only map the servers run is ts_lobby, something like counter-strike's de_dust.
i used to play the specialists a lot. but then, idiots ruined the game.