Pick a name in the header first — a game needs a host.
Shown in the browser. The engine never sees it.
Seats are generic (player1…player2) until players take them, so the game is browsable the moment it exists.
player1…player2
VAR-BG-010
VAR-BG-050
VAR-BW-160
VAR-BW-170
VAR-BW-180
VAR-BW-185
VAR-BW-190
VAR-BW-200
SCEN-BW-010
The same seed and the same commands replay to the same game. Leave it blank for a random one.
Which build of the game server this game runs. Leave it on Latest unless you are reproducing something on an older one — a game keeps the version it was created with for its whole life, so this never changes a game that is already running.