Marble Idle Collectionist
A relaxing incremental game focused on sensorial joy of marbles, soothing sound design, and visually calming simulation. Upgrade systems, earn more marbles, and enjoy collecting all kinds of shiny trinkets.
Last Updated: 2/10/2026
About Marble Idle Collectionist
Marble Idle Collectionist is a Casual game developed by Mupet. It was released on the Steam Store by Mupet.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, Marble Idle Collectionist supports the following features:
- Single-player
- Save Anytime
- Steam Achievements
- Custom Volume Controls
- Playable without Timed Input
- Family Sharing
Media & Sceenshots
Watch the featured video for Marble Idle Collectionist and see the latest screenshots from the Steam Store.

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Marble Idle Collectionist data has been sourced from:
- Valve Corporation. (2026, February 10). Marble Idle Collectionist on Steam. Steam Store.
- Valve Corporation. (2026, February 10). Marble Idle Collectionist. Steam Community Hub.