
MASTER YOUR MOVEMENT. VANQUISH THE VERMIN. Experience all the exhilarating high-intensity action you know and love from arena shooters up close and personal in VR. Zero in your aim, hone your movement, outwit the vermin, and soon you’ll be flying through levels leaving a wake of destruction.
Modeled estimate, not a reported figure. How we estimate →
Discounts
Every price cut of more than 20% we have observed, in each market that quoted one, with this game's chart position on either side of it. These are episodes, not a model: a sale is one event, and one event cannot tell you what the next one will do.
Reviews, worldwide (the counter carries no country): 0/day in the week to Sep 14 → 0/day in the week after.
For scale, across Steam · Top Sellers · Brazil over the last 30 days: the 26 chart moves that followed a price cut of more than 20% went a median of 7 places towards #1, and the 2,400 moves with no price cut behind them went 2 away. One store, one chart, one country — it is the only place we have enough observations to say even that.
Prices outside the United States have been collected since 6 August 2026 and chart positions since 19 July 2026, so a cut older than that has no market to compare and a market that joined later has no history yet. Nothing here is converted between currencies.
About

Find your flow as you chain together dashes, wallrides and the grapple claw yoink. With an ability for every situation, you’ll find yourself gliding through levels while weaving in deadly attacks against the vermin. Alternate mech legs unlock the ability to slide across the ground to build up incredible momentum or to hover in mid-air as you rain down destruction.

Use the gatling-style heavy fire of the Despot as you approach your foes, until you’re close enough to unleash the terrifying power of its bouncing slugshots to tear through your enemies. Maybe you prefer the rapid bursts of flechette projectiles from the Orchid and its full-auto galvanic heavy fire. Or perhaps all you need is a single well-timed shot from the all-powerful Railslayer to pierce through your enemies

Call down orbital strikes, emit static discharge, or spread withering rot with every shot. Grow your strength with classic rogue-like upgrades that affect everything from your movement to your shoulder cannon. Whether you prefer to bolster your defenses, accelerate your movement or amplify your weaponry, there is a path for you.

You’re not the only one that’s well-equipped. Whether it’s the leaping Apostate’s razor sharp scythes or the blazing projectiles of the Acolyte, each enemy brings its own deadly weaponry. Anticipate the overpowering barrage of the Carrion Prowler, evade the sweeping lasers of the Asterophore, and focus down the elusive Mnemosynth. Only the truly skilled will reach the sacred Terminus and face off against the vile Hierophant.

Finding your favored arms is just the first step on the journey to mastering Marrow Marrow. Each run will bring you more and more in tune with the movement and allow you to traverse more freely and nimbly than you ever thought possible. When gliding through the levels becomes second nature, you become an unstoppable force of vermin annihilation.
Music by Karl Casey @ White Bat Audio.
Engagement
Reviews
This is a very fun, action-packed VR FPS, probably the one I've had the most fun with so far. The movement system gives the player a lot more control than most VR games I've played, and the aesthetic is amazing for such a small game.
Great game with hight octane gameplay. I love the movement and the controls are very intuitive.
I have been waiting for a game like this a while now. It doesn't baby you in any way you just press play and it kicks you in the balls for 30 minutes straight and i love it. My only criticisms is that the game lacks a melee attack, even if it does a small amount of damage i would like to have an option for melee (this is more of a nitpick than anything tough) Also this game has the same problem as other vr games like bonelab where if you don't live in the US the game just wont start, it will get stuck on the main menu until you change your computer's date and hour into US.
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Price dynamics, follower growth, revenue and sales trajectories with interactive tooltips
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Genres
Stats
All-time low is the lowest price we've recorded for this game since we started tracking it.
Languages: English**languages with full audio support
Hours played at review time, across 26 reviews with recorded playtime.
cybergrind type game vr
wish there were more maps... BUT this game is really fun! Monster Moon somehow managed to make the game feel fast-paced while not making it incomprehensibly fast (like how i'd imagine ultrakill in VR to be). So, it's kind of like Doom Eternal VR.
Game features a pretty up to date demo. If you're unsure about this game, play the demo. The game runs SUPER smooth for my specs, even when streaming to Discord. Take the Cybergrind from Ultrakill and push it into VR. That's this game. Endless dopamine from holding down the right trigger.
Selling now
See how fast this game is selling right now — estimated copies and revenue per day from recent review growth.
Players by region
Where this game's players are, estimated from review languages.
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| $148 | 8 | 25% | $0.99 | |
| — | 0 | — | — | |
| — | 0 | — | — |
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| $5.6K | 151 | 69% | $1.49 | |
| $5.6K | 62 | 71% | $4.99 | |
| $5.6K | 81 | 91% | $3.99 | |
| $5.6K | 82 | 79% | $3.99 | |
| $5.6K | 203 | 91% | $1.99 | |
| $5.6K | 88 | 58% | $1.99 |