Heart of Crown Online
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…
Heart of Crown Online is an adventure developed by illuCalab, released 18 December 2025 on Nintendo Switch and PC (Microsoft Windows).
What Heart of Crown Online is
Heart of Crown Online is an adventure game developed by illuCalab and released in 2025. It is available on Nintendo Switch and PC (Microsoft Windows). It runs on Unity.
The premise, in the publisher's words
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.
How it plays
It is a single-player game with no multiplayer component. Available modes: Multiplayer and Single player.
What it launched against
Heart of Crown Online launched on 18 December 2025, within three weeks of Metroid Prime 4: Beyond, Routine, Marvel Cosmic Invasion and Rhythm Doctor. It arrived 8 years into the Nintendo Switch's life, so it was built for hardware developers already knew well.
Released around the same time: Metroid Prime 4: Beyond, Routine, Marvel Cosmic Invasion, Rhythm Doctor.
Official trailer
Sourced from the publisher’s YouTube channel.
Screenshots
All media
Quick answers
Heart of Crown Online — frequently asked questions
When did Heart of Crown Online come out?
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