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Marshmallow Marvin: Grimvault

Marshmallow Marvin: Grimvault

Jolly Lobster Interactive LTD · Jolly Lobster Interactive LTD · Jun 4, 2026
Action Adventure Casual Indie
Fresh observation Observed
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Players now
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All-time peak
— 0.0%
Δ 24h
Player count updated

Marshmallow Marvin: Grimvault - Steam Analytics & Details

Marshmallow Marvin: Grimvault maintains a green-rated player base.

Total Players
0
Price
$4.99
Genre
Action
Developer
Jolly Lobster Interactive LTD

Marshmallow Marvin: Grimvault player count and price summary

Current players
0
All-time peak
Unavailable
24-hour player change
0%
Current US price
$4.99

Player count observed . Values marked unavailable are not estimated.

Game Insights

Buy Verdict

Wait — $4.99.

Wait for upcoming sale in ~3 days for potentially better pricing.

▬ ~3 days until next sale

Player Health

Healthy — 0 daily average.

Stable player base with low churn risk.

▬ +0% trend
Player count

Activity Heatmap

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Active Hours
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Price History

Lowest Price
$3.99
Sep 2026 across all regions
Current Price
$4.99
US region
Price history across regions (last 30 days)

System Requirements

Platform Support
Windows
Windows Requirements
Minimum:
Minimum:
  • OS: Windows 11
  • Processor: Dual Core
  • Memory: 8 GB RAM
  • Graphics: Integrated Graphics
  • DirectX: Version 11
  • Storage: 1 GB available space
Recommended:
Recommended:
  • OS: Windows 11
  • Processor: i3-8100
  • Memory: 8 GB RAM
  • Graphics: 1050ti
  • DirectX: Version 11
  • Storage: 1 GB available space
Controller Support
full
Pricing
Paid Game
$4.99 (USD)

Additional Information

Categories
Single-player Steam Achievements Full controller support Custom Volume Controls Keyboard Only Option #category_playable_at_your_own_pace Playable without Timed Input DualShock Controller Support DualSense Controller Support DualSense Controller Support Save Anytime Steam Cloud Family Sharing
Supported Languages
English

Current Pricing

💰
$4.99
Regular Price
Historical low: $3.99 (Sep 2026)

Additional Information

🏆 Achievements
100
total achievements
Featured:
Level 1
Level 2
🇧🇷 DEJUS Rating
l
Brazilian rating
🇩🇪 Steam Germany
0
German classification
🆘 Support
🎁 Purchase Options
1
package options

Developer Analytics

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About This Game

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.

Detailed Description

Guide Marvin Through the Grimvault

Enter the cursed depths of Marshmallow Marvin: Grimvault and help Marvin survive a haunted underground vault filled with ancient traps, deadly turrets, shifting passages, and perilous platforms. In this 2D pixel art platformer, you guide Marvin through increasingly dangerous chambers while collecting coins, restoring health with hearts, solving platforming challenges, and uncovering the secrets hidden within the Grimvault.

Gameplay

Your objective is simple: reach the end of each level and survive the vault.

As you journey through each stage, you’ll leap across crumbling platforms, avoid deadly hazards, dodge enemy fire, and collect valuable items along the way. Coins reward exploration, while hearts restore Marvin’s health, giving them a better chance of surviving the dangers ahead.

The early levels introduce the core challenges and help you get comfortable navigating the Grimvault’s dark corridors. But as you progress, the vault becomes more dangerous. Levels grow more intricate, traps appear more often, and success depends on precise timing, quick reflexes, and smart decision making.

Every step deeper into the Grimvault brings new dangers, ancient secrets, and a greater challenge for Marvin to overcome.

Hazards and Challenges

The Grimvault is packed with deadly obstacles that will test your timing and precision:

Spikes that punish poorly timed jumps

Moving spikes that rise and fall, demanding careful movement

Automated turrets that lock onto Marvin and fire projectiles, forcing you to stay alert and react quickly

Treacherous platforms that require patience, timing, and control

Each new level introduces more complex layouts and a higher density of threats, pushing you to sharpen your skills and adapt your strategy.

A Haunted Vault Adventure

The game features a retro pixel art style that creates a nostalgic platforming experience while reinforcing the dark, mysterious atmosphere of the Grimvault. Haunted tombs, ancient relics, narrow corridors, and cursed chambers create a tense adventure where every jump could be Marvin’s last.

Risk, Reward, and Progression

Throughout the journey, you’ll constantly balance risk and reward:

Take dangerous routes to collect more coins

Play cautiously to preserve Marvin’s health

Time your jumps carefully to avoid traps and enemy fire

Explore deeper to uncover the Grimvault’s secrets

Completing each level brings a strong sense of accomplishment and pushes Marvin further into the cursed vault in their quest to survive its ancient dangers.

Key Features

Classic 2D platforming gameplay

Dark tomb and haunted vault setting

Challenging trap-filled levels

Coins that reward exploration

Health recovery through collectible hearts

Enemy turrets that dynamically target Marvin

Retro pixel art visuals

Increasing difficulty and more complex level design

Ancient relics, cursed chambers, and perilous puzzles

Frequently Asked Questions

Is Marshmallow Marvin: Grimvault worth buying right now?
Wait — $4.99. Wait for upcoming sale in ~3 days for potentially better pricing.
When does Marshmallow Marvin: Grimvault go on sale?
Wait for upcoming sale in ~3 days for potentially better pricing.
How many people play Marshmallow Marvin: Grimvault?
Healthy — 0 daily average. Stable player base with low churn risk.
How many players are currently playing Marshmallow Marvin: Grimvault?
0 players are currently in-game on Steam.
Is Marshmallow Marvin: Grimvault free to play?
Marshmallow Marvin: Grimvault costs $4.99 on Steam.
What genre is Marshmallow Marvin: Grimvault?
Marshmallow Marvin: Grimvault is a Action, Adventure, Casual, Indie game.
Who developed Marshmallow Marvin: Grimvault?
Marshmallow Marvin: Grimvault was developed by Jolly Lobster Interactive LTD and published by Jolly Lobster Interactive LTD.
What platforms does Marshmallow Marvin: Grimvault support?
Available on Steam for Windows.