About Marshmallow Marvin

Marshmallow Marvin is an Adventure, Casual, Indie, and Action game developed by Jolly Lobster Interactive LTD. It was released on the Steam Store by Jolly Lobster Interactive LTD.

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, Marshmallow Marvin supports the following features:

• Custom Volume Controls
• Family Sharing
• Keyboard Only Option
• Single-player
• Full controller support
• Steam Cloud
• Steam Achievements
• Save Anytime
• Playable without Timed Input

Media & Sceenshots

Watch the featured video for Marshmallow Marvin and see the latest screenshots from the Steam Store.

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Soures & References

Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in real-time to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.

Marshmallow Marvin data has been sourced from:

• Valve Corporation. (2026, March 17). Marshmallow Marvin on Steam. Steam Store.
• Valve Corporation. (2026, March 17). Marshmallow Marvin. Steam Community Hub.
• Jolly Lobster Interactive LTD. (2026, March 13). Marshmallow Marvin. Marshmallow Marvin.