2v2 alliance, 1v1 handling both factions
@ornate falcon ?
that or the trade wars variant: https://boardgamegeek.com/thread/2114639/trade-wars-2-player-variant
BoardGameGeek
Trade Wars” 2-Player Variant (Updated 12/6/23)
Introduction
This variant allows for 2 players to play Twilight Imperium, with trade systems accounting for some of the missing elements of multiplayer, namely, the trading of commodities, the unpredictability of the agenda phase, and the gaining of Support for the