Marshmallow Marvin: Grimvault
Marshmallow Marvin: Grimvault is a challenging 2D pixel art platformer where you guide Marvin through cursed vaults and haunted tombs, avoiding deadly traps, dodging automated turrets, collecting coins, and mastering precision platforming to uncover ancient secrets and survive the Grimvault.
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About This Game
Marshmallow Marvin: Grimvault is a action/adventure game designed for single-player, developed by Jolly Lobster Interactive LTD and released in 2026. With an estimated 3,000 copies sold, it is considered a niche release on Steam. Community ratings across Steam average 100.0/100 — a exceptional reception overall. Players commonly describe it as Action, Adventure, Casual, Arcade and Platformer.
Media
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User Reviews
100.0
Overall Score / 100
10.0/10
Steam (1 reviews)
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Game Information
Release Date
June 4, 2026
Developer
Jolly Lobster Interactive LTD
Publisher
Jolly Lobster Interactive LTD
Platforms
Windows
Controller
Full Support
Price
$4.99
Analytics & Metrics
Copies Sold (VISE)
Low Data
VRI ScoreLearning
N/A
VRI (Vorythic Recommendation Index) a single number indicating whether the game is worth your time. Built from game data, putting real players' opinions above progressive 'critics'.
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System Requirements
🪟 Windows
Minimum
- OS: Windows 11
- Processor: Dual Core
- Memory: 8 GB RAM
- Graphics: Integrated Graphics
- DirectX: Version 11
- Storage: 1 GB available space
Recommended
- OS: Windows 11
- Processor: i3-8100
- Memory: 8 GB RAM
- Graphics: 1050ti
- DirectX: Version 11
- Storage: 1 GB available space
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