This game mode comes with PySnip/pyspades by default, so simply set game_mode to tow in your config.txt to enable it:
Code: Select allOptionally adjust cap_limit in config.txt to change how many wins trigger a map change:
"game_mode" : "tow",
Code: Select allI suggest setting cap_limit from 1 to 3 because a single round can go on for over an hour when the teams are balanced.
"cap_limit" : 10,