Diplomatic Expansion Series/外交拓展系列 Uploaded · September 21, 2021 If you liked this item, please rate it up on Steam Workshop page. Assembled by: xskiper On Steam Workshop Description: These mods focus on diplomacy of Stellaris, and they makes it much more colorful! 这些mod聚焦于改善群星的外交系统,他们能够将国家间的互动变得更加丰富多彩! View