Prototype unlimited alliance variant

game/terminal-cancellation.ts

@@ -144,7 +144,7 @@ export function validateTerminalCancellation(
       if (!allied && g.coalitionState) {
         try {
           const group = coalitionOf(g.players, g.coalitionState, owner.id);
-          allied = !!group && group.members.length === 3 && !!response.recipient &&
+          allied = !!group && group.members.length >= 3 && !!response.recipient &&
             group.members.includes(response.recipient);
         } catch (error) {
           if (error instanceof CoalitionAllianceError) throw new TerminalCancellationError(error.message);