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Breakthrough

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About Breakthrough

Breakthrough is a fast-paced roguelike shooter about helping Clunky reach the sunset hidden behind a mountain. The mountain is too high to climb, so you make your way through a dangerous tunnel. The game is designed as a difficult challenge, with high-risk, high-reward mechanics.

Build your run

You loot items and projectiles, gamble items for better ones, buy supplies at the shop and upgrade your spells to shape a build. Dashes help you dodge monsters as they rush toward you, while bullet-hell combat keeps the action moving.

The tunnel

The game has five levels of progression and three bosses waiting to crush you. It also includes run history and lets you save favorite runs for speedrunning.

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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