Pick a name 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. Any seat still free can be handed to an AI player from the game page, whenever you decide nobody else is coming.
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.