
Solo indie developer. What started as a simple game for a 3-year-old is now a hardcore physics-combat RPG. Customize your marble, equip massive weapons like the Graviton Lance, and survive an accidental bullet-hell masterpiece.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Train Fest starts Jul 20, 2026
Official stores with direct support.

Look, I'm going to be honest with you. This game was supposed to be simple. I wanted to make a little marble rolling game for my 3-year-old. Just something to help with hand-eye coordination. You know, "roll the ball to the green square." Simple. Wholesome.
Then I got carried away.
One night I thought, "What if the marble had a machine gun?"
Then, "What if the marble could equip an orbital strike laser?"
Then, "What if there was a complex loot economy, distinct enemy behaviours, boss fights, and a deep sci-fi narrative about sentient AI?"
A short time later, my 3-year-old is confused, and I have accidentally created Marble Blade.
At its core, you are a sphere. A very heavy, momentum-based sphere. You don't just "move" left or right; you roll. Mastering the inertia is half the battle. The other half is dodging the thousands of plasma bolts flying at your face.
Features That Definitely Weren't Necessary But I Added Anyway:The Arsenal: Over 12 unique weapons ranging from the humble "Repeater" to the screen-clearing "Cluster Bomb" and the physics-defying "Graviton Lance".
Deep Progression: A massive skill tree allowing you to build a Juggernaut Tank Marble, a Speedster Scout Marble, or a "Glass Cannon" DPS Marble.
RPG Loot System: Hunt for Common, Rare, Epic, and Legendary components. Start excitedly shouting "GOLD DROP!" at your monitor.
Boss Battles: proper multi-stage bosses that will test your rolling precision and trigger discipline.
A Story Mode?: Yes, there's actually a plot. Uncover the mystery of the "Systems" and why you are a weaponized ball in space.
Dynamic Space Environment: Fly past gas giants, navigate asteroid fields, and avoid falling off the edge of reality.
Because underneath the "dad project gone rogue" exterior lies a genuinely challenging, addictive arcade shooter. It’s got the "just one more run" energy of a roguelike with the satisfying physics of getting a strike in bowling—if the bowling pins shot back at you.
Disclaimer: My 3-year-old has beaten the game
Lowest tracked price: PLN 22.99 (Jul 7, 2026) · current best: PLN 45.99.
Right now the cheapest offer for Marble Blade is PLN 45.99 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for Marble Blade is PLN 22.99 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Create a free price alert on this page and KingsPrice will email you when Marble Blade drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
Audio & text: English
Text only: French, Italian, German, Spanish - Spain, Portuguese - Brazil, Portuguese - Portugal, Russian, Simplified Chinese, Swedish, Japanese, Korean, Polish, Turkish