In this Grand Strategy game, you take control of the Solar System's Great Powers in 2092 and weather the storm of change as you navigate the uncertain waters of the future. Control the greatest military forces in the world and wage wars on an epic scale: outer space is yours to conquer!
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No game lists Solar Nations 2 as one of its co-op favourites yet, so here are the closest matches by Steam tags instead.
MMO Real-time strategy star game.
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《文明征程》是一款以历史文明为背景的策略游戏，让玩家扮演一位伟大的文明开拓者，带领自己的国家蓬勃发展。在游戏中，你将面临各种挑战和决策，需要智慧和策略来发展经济、建设城市、训练军队，同时也要与其他玩家进行外交交流和战争对抗。
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点燃你的战魂，投身乱世掀起惊天风暴！化身铁血诸侯，号令三国名将，统领无敌雄师，在真实还原的三国版图上纵横沙场，血战四方！
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在这款沉浸式三国策略卡牌游戏中，你将化身一方主公，招揽名将、打造无敌军团，体验从乱世枭雄到一统天下的霸业征程！
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Lead any of 221 countries through a living 2026 world in this data-driven grand strategy game. Shape economies, politics and alliances, wage conventional or nuclear war, run covert operations, and rewrite the global order—alone or online with up to seven friends.
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A deep 2D strategy of cosmic trade and faction warfare. Build trading empires, refine asteroids, lead fleets into battle and run faction politics — solo or in four-player co-op
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A persistent, planet-scale real-time strategy MMO on one shared Earth. Forge alliances or betray them, hold your supply lines, and live with every mile of ground you take or lose. Real-time fronts that never pause. No rounds, no resets.
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Build a planetary empire, research game-changing tech, and raid real players across a persistent galaxy. The classic browser space strategy, reborn - and finally fair: no pay-to-win, ever. Team up for 8-fleet combined attacks. Your mines keep working while you sleep.
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AfterWar is a simple yet feature-rich strategy game for everyone.
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In a post-apocalyptic world submerged by the sea, the wake of the enemy is apparent at every turn. From turning the tides of naval warfare to dominating the skies in break-neck aerial combat, every decision you make will change the outcome of the battle.
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