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Calcium Chaos

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About Calcium Chaos

Calcium Chaos is an adventure about fighting skeletons with a toaster, a chicken and a collection of weapon combinations. You recruit heroes, take on procedurally generated levels and try to stop a necromancer’s plans to save the world. You can play alone or bring up to four friends along.

Weapons and loadouts

The game offers one million weapon combinations, including explosive toast and homing robot chickens. You can customize your loadout to suit your playstyle and use different synergies against your enemies.

Your train

You turn your train into a base of operations for the friends you meet. Buy upgrades, decorate it and prepare for your next mission.

Procedurally generated levels

Levels are procedurally generated and filled with challenges. You test your skills and adaptability against threats that grow over time.

Frequently asked questions

Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.

Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.

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