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Iron Onslaught

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About Iron Onslaught

Iron Onslaught is a wave-based game where you try to survive an endless horde of bots and mechs. Killing enemies unlocks new weapons, but also causes more enemies to spawn. The bots regularly launch into the air or toward you, and mechs occasionally fly.

Survive the horde

Watch your surroundings to avoid being surrounded. If you die, you lose everything.

Save your progress

Your progress is saved when you exit to the main menu. It is deleted if you die or start a new game.

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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