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Heart of Crown Online
Main game
By: illuCalab
Technical details
- Platforms
By: illuCalab
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The great emperor's untimely death... Seven princesses are candidates for his succession! Who will save the empire from chaos? An online deck-growing card game where you grow your deck and fight for the Princess.
PC (Microsoft Windows) · Apr 23, 2024
Worldwide · Exact date · Early access · IGDB
Nintendo Switch · Dec 18, 2025
Worldwide · Exact date · Full release · IGDB
PC (Microsoft Windows) · Dec 18, 2025
Worldwide · Exact date · Full release · IGDB
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Main game
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34 achievements available.
Clear the tutorial.
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Win an online match by backing Ohka.
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Remove all three Apprentice Maids from play in an online match.
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Play 15 or more cards in a single turn.
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Generate 20 or more coins in a single turn.
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Win a match with no Territory cards in your Domain.
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Win using only Succession Points from your Princess and Imperial Crown.
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Lose the match by being the only player unable to enter sudden death.
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Be hit by Gossipy Duchess three or more times in a single game.
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During your turn, empty all Attendant Maids, Senators, and Dukes from the Market.
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Clear Scenario Mode once.
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Win your first match online.
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Clear Scenario Mode with every Princess.
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Clear Scenario Mode with the Apprentice Maid.
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Clear Noble Mode while carrying at least 1 Noble Duty.
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Clear Noble Mode while carrying a Level 4 Duty.
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Clear Noble Mode while carrying 60 or more Noble Duty.
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Clear Noble Mode while carrying 120 or more Noble Duty.
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Set an ornament.
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Unlock Extra CPU Supply I (Unlock Condition: Win each supply in CPU Battle on CPU Level 3 or higher)
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Unlock Extra CPU Supply II (Unlock Condition: Win each supply in CPU Battle on CPU Level 3 or higher)
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Unlock Extra CPU Supply III (Unlock Condition: Win each supply in CPU Battle on CPU Level 3 or higher)
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Win an online match with 30 Succession Points.
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Clear 50 CPU Battle supplies on Level 3 or higher.
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Set your player name.
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Purchase 20 or more titles.
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Purchase 10 or more frames.
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Equip 8 emotes.
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Win an online match by backing Lulunasaika.
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Win an online match by backing Laolily.
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Win an online match by backing Flaramaria.
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Win an online match by backing Bergamot.
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Win an online match by backing Klam Klam.
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Win an online match by backing Lain & Shion.
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Community notes
