Hey Reader!

David Kessler here.

​Demon Castle Mononoke is live!​

Congratulations to designers Jane Chartreuse and Tim Lampasona who have recently launched Demon Castle Mononoke on Gamefound.

It’s a cooperative survival game in which 1-4 players struggle to survive in a ruined castle as it is besieged by a powerful Mononoke and Yōkai from Japanese mythology. It can be played solo, co-op, or all vs. one with one player acting as the powerful Mononoke.

During the day, Lost Souls explore the ever-shifting castle, gaining health, weapons, or magical abilities in anticipation of the impending nightly Yōkai attacks. Every night gets harder. The Yōkai are unrelenting, the battlefield is always changing, and there is no safe place.

Enemies in the game literally pop out of the Book of Demons, designed by paper engineer and artist, Dario Cestaro.

The art looks fabulous, to match the intriguing gameplay.

This game would not exist without Protospiel! So many incredibly valuable playtests happened at Protospiel Online events.

The designers had an absolute blast creating this game. It was a true labor of love, pulling from all of their favorite interests. They cannot wait to share it with the world.

In fact, you can try it for yourself right now on Screentop.

Demon Castle Mononoke is brought to you by Cardboard Revolution, a worker owned co-op.

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📣Announcements Announcements Annooouuuncements!

• Voting on The Game Crafter's Fur Feathers & Fun Community Design Challenge is open through April 27, 2026
• The San Diego Historical Games Convention is accepting submissions for SD Hist Con Night Market through May 25, 2026
• ​Button Shy No Shuffling 18 Card Challenge submissions open through May 31, 2026
• ​2026 Deck Hand Game Design Contest, submissions open through June 26, 2026
• ​Bad Comet Design Contest submissions open through Jun 30, 2026

~David

P.S. If you have something you'd like to see featured in our Community Newsletter, you have 3 options -- either submit an official feature request, reply to this message, or, if you're a current attendee or alumni, post in the #🙌share-your-wins channel in the Protospiel Online Discord server to let us know the details. We'd love to celebrate you!