game: fix base game number of followers

game.go

@@ -180,7 +180,7 @@ func tokensByExtension(ext string) map[Token]int {
 	switch ext {
 	case "base":
 		return map[Token]int {
-			tFollower: 8,
+			tFollower: 7,
 		}
 	default:
 		panic(fmt.Sprintf("unknown extension <%s>", ext))