Mythwright is a publisher with two announced PC titles: Cozy Marbles: Marble Rolling Great Adventure, which launched on Steam on August 21, 2026, and Main Sequence, which enters early access on November 12 (November 13 in Japan).
Mythwright's two announced titles are both PC games from small teams. Cozy Marbles: Marble Rolling Great Adventure comes from solo developer Pixel Pea Games, based in Berlin. The publisher put a release date of August 21, 2026 on it, priced at 1,200 yen with a 10% launch discount, and a demo was already available at announcement. The marble run sandbox includes slopes, spirals, cannons, portals, laser tunnels, anti-gravity fields, xylophone blocks, boosters, and marble customization, with challenges unlocking more parts and environments such as a fairy tale world and a space station. Courses can be shared through Steam Workshop, and Twitch integration lets viewers drop marbles into courses during streams.
Main Sequence, developed by Tumbling Dumpling Studio, is a space automation sim that starts with one mining ship and grows into a galaxy-scale production network, with online co-op planned. Mythwright said on October 2 that it enters early access on November 12, November 13 in Japan. It is planned for PC via Steam, with an Epic Games Store version planned but undated.
The two games differ in scope and release model. Cozy Marbles is a sandbox with a fixed launch date and a demo already out. Main Sequence is an automation sim going to early access, with its Steam rating already Very Positive and more than 100,000 wishlist registrations. Both come from small development teams, one a debut title from a solo developer.
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Publisher Mythwright said on October 2 that Main Sequence, developed by Tumbling Dumpling Studio, will enter early access on November 12, which is November 13 in Japan. It is planned for PC via Steam, with an Epic Games Store version planned but undated. The space automation sim starts with one mining ship and grows into a galaxy-scale production network, with online co-op planned.
Publisher Mythwright and solo developer Pixel Pea Games announced on July 17 that the PC sandbox game Cozy Marbles: Marble Rolling Great Adventure will launch on Steam on August 21, 2026. The game is priced at 1,200 yen with a 10% launch discount. It is a marble run simulator where players build courses using a variety of parts including slopes, spirals, cannons, portals, laser tunnels, and anti-gravity fields. Players can also add xylophone blocks that play melodies, boosters for speed, and customize marbles with colors, expressions, and hats. The game includes a workbench with limited starting parts; completing challenges unlocks more parts and environments such as a fairy tale world and a space station. A demo is available now. Created courses can be shared via Steam Workshop, and the game supports Twitch integration, allowing viewers to drop marbles into courses during streams. The developer, Tim, is a solo developer based in Berlin and a co-founder of Kolibri Games, known for Idle Miner Tycoon. This is Pixel Pea Games' debut title.