Welcome to Project Marblearth!
Project Marblearth is a community-organized initiative to expand the fictional narrative universe of Jelle’s Marble Runs, embodying a creative safe space for marble sports fans.
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Blizzard Blaster: The Snowmaster
With its steep peaks, ski resorts, ice lakes, and native Iron Birds hockey team, Winterpeg is a paradise for marbles in the winter. It’s also the home of Marble Rally competitor Blizzard Blaster, who has raced down the hills and mountains of Winterpeg…
Let's roll!The Narrow Road To Rosaka
Ringo’s diagnostics—via Berry—were clear; a four out of five—or eight out of ten, Diego reasoned—chance to win, and a one-in-fifty-five-thousand chance to lose their grip on the podium completely. They were under strict instructions to not even consider that as an option, though…
Let's roll!Partial Bloom
Rosaka was a city with a lot to offer, and it had the habit of splitting the Racers apart. Razzy, Rizzy, and Ruzzy had won the Stone Toss together—truly together, with an under-anticipated system of utilising turn order to bait any given opponent…
Let's roll!262K
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What is Project Marblearth?
New to the JMR Expanded Universe? Read about us and our goals through Project Marblearth here.
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© Project Marblearth, 2026. Unauthorized use and/or duplication of this material without express and written permission from the contributing authors and/or site owner is strictly prohibited. Excerpts and links may be used, provided that full and clear credit is given to Project Marblearth with appropriate and specific direction to the original content.
This website is unassociated and unaffiliated with Jelle’s Marble Runs.
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