Cozy Marbles: Marble Rolling Great Adventure Gets August 21 Release Date
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.