你扮演帝国中最有权势的人物之一，用领地赚来的钱购买新土地和行动卡，不断扩充自己的牌组。拉拢元老、公爵等权贵，招募七位公主中的一位，当你的继任分数达到20分时即可登基。四人回合制对战支持在线跨平台联机，排位赛和自由赛都能和朋友一起玩，还有单人剧情模式可以体验。
HEART of CROWN Online 是一款基于 2022 年重新发售的实体桌游《HEART of CROWN 第二版》改编的卡组构筑卡牌游戏。故事从老皇帝突然驾崩、帝国陷入混乱开始，七位公主成为继承人选。你是帝国中最有权势的人之一，必须尽快确立皇位，保住大陆的统一与和平。游戏采用回合制，画风为 2D 动漫风格，整体氛围围绕中世纪的剑与魔法展开。
这是一场四人回合制对局。你通过领地产生金钱，用这些钱购买新的领地和各种行动卡来扩充自己的牌组。当资源足够时，就可以招募公主。每位公主都有强大的效果，但先到先得，别人抢先一步就会把人选走。除了公主，你还要把元老、公爵等有影响力的人物拉拢到自己这边。当你的"继位分数"达到 20 分，就能完成加冕，拿下王座。
游戏支持在线跨平台对战，包含排位赛和自由赛两种在线模式。喜欢单人流程的玩家可以玩完整的"剧情模式"单人战役。开始前建议先熟悉卡组构筑的节奏：前期靠领地攒钱，中期补行动卡和人物，攒够资源就尽早锁定公主，因为她的效果会直接影响后续的打法。
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