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Heartreasure: Stellar Journey × OU Collaboration bundle

OU · Community Announcements · September 01, 2026

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To celebrate the 3rd anniversary of OU’s release, a special collaboration bundle featuring OU and Heartreasure: Stellar Journey has been announced!

Both titles share the charm of a hand-drawn art style and music composed by Daisuke Shiiba.

Take this opportunity to experience the warm, handcrafted worlds of both games!

◆ Heartreasure: Stellar Journey × OU bundle

[dynamiclink href="https://store.steampowered.com/bundle/85254/Heartreasure_Stellar_Journey_x_OU/"]

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This announcement was written and published by the developers/publisher of OU on Steam; it is mirrored here unedited for readability, with full credit and a link to the original above. © the respective rights holders. Rights holder and want it removed? Email us — we take it down promptly.