A Break Siege Steam Key — also known as a CD Key or digital code — is the official activation code you redeem on Steam and keep in your library permanently. From €1.67 (€1.75 with fees, -86%) at Difmark, Steam Account format · Cheapest official key: €12.57 (no fees) · 3 verified stores, 3 offers in stock · Updated 20min ago.
Final prices with fees and discounts applied
Break Siege for PC starts at €1.67 (€1.75 with fees) at Difmark, 86% under the €12.57 (no fees) of the official store — but that is a shared account, not a key of your own. If you want a key tied to your own account, the cheapest is €12.57 (no fees) at Steam.
That €1.67 (€1.75 with fees) already includes the Gocdkeys coupon, so apply it at checkout or the store will show you a higher price.
Only 3 offers across 3 stores carry it, and thin supply means the price barely moves.
That puts it 5% under its average of €13.18 since 2025, so today is a better entry point than most days of its life.
That €12.57 (no fees) key is at its usual price: no bargain, no spike.
Worked out from 138 daily records of the Steam Key for Break Siege across 2 stores. See the full price history.
The price does not include each store's payment fees. The percentage is measured on the store price, without coupons, because that is how we record the history. The analysis only counts Key offers. Shared accounts, Steam Gift and physical editions stay out, because they are not the same product and their prices move differently.
With the shared account at Difmark you log into an account that already owns the game: it is the cheapest route, but it never becomes yours and the seller keeps the credentials. If they ever lose or change them, you lose access.
The key at Steam costs €10.90 (€10.82 with fees) more, but you redeem it on your own account and the game stays there for good. That is the difference between renting and buying.
All 3 offers are Global, so the code redeems on any account no matter where it was created.
One listing is worth ignoring: the Steam key that Kinguin has at €13.13 (€14.52 with fees) is more than 8 times the cheapest offer and is not what this game costs. The number to work from is €12.57 (no fees) at Steam.
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