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Calcium Chaos is a casual Twin-Stick Roguelite that takes you on a journey by train to confront the necromancer and her skeleton army. Get ready to explore a world filled with crazy weapon combinations and unexpected allies as you embark on an epic quest to save the world!
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.
Try this game before buying.
Skeletons are invading, and your only defense is a toaster and a chicken! Embark on a whimsical adventure through a land plagued by pesky skeletons! Uncover weird and wacky weapon synergies to fight back against the bony baddies. Along the way, you'll gather a rag-tag group of heroes who will aid you on your mission- will you have the guts to stop the necromancer's plans and save the world?
Discover an arsenal of ONE MILLION different weapon combinations, from explosive toast to homing robot chickens, and customize your loadout to suit your playstyle as you wreak havoc on your enemies.
Recruit up to four friends to join your quest to defeat the necromancer, or measure yourself by playing alone.
Transform your train into a formidable base of operations for the friends you meet along the way, buy upgrades, decorate your train, and prepare your next mission!
Dive into procedurally generated levels filled with challenges!
Test your skills and adaptability as you strive to overcome the ever-growing threats that await you.
Lowest tracked price: PLN 22.99 (Jul 7, 2026) · current best: PLN 45.99.
97% positive reviews all-time · 0 peak players in the last 30 days.
Right now the cheapest offer for Calcium Chaos: Derailed 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 Calcium Chaos: Derailed 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.
Calcium Chaos: Derailed peaked at 0 concurrent players on Steam in the last 30 days (highest on Jul 7, 2026). The player chart on this page updates daily.
Create a free price alert on this page and KingsPrice will email you when Calcium Chaos: Derailed 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.
