Some of our favorite optional House Rules.
No Proof : sharing of screenshots is disallowed (cannot demand proof for shared information)
Head Start : On first turn, all other players build 1 scout, do not move it, and scrap it the following turn.
Surrender : Weaker player becomes ally of stronger. Only stronger player can cancel alliance.
Does NOT prevent sharing of ally information such as fleet locations.
Swear Fealty : Permanent alliance, ally information cannot be shared.
Teams : Permanent alliances.
6 Player Overlap : Each player is permanently allied to the color on each side of them (the 4 point colors).