
Publisher: Idle System, Inc. · Release date: 2026-08-27
The cheapest Idle Spiral - Q.E.D. Pack key that activates in Malta has a listed price of €10.25 at Steam (Steam, GLOBAL key). Checked .
Add the Q.E.D. Spiral Design to Idle Spiral: a bright mathematical theme where proofs scatter from a living spiral. Equip it for 1.5× normal Hanoi DPS, then advance game time to train lasting exponent bonuses for a–f and k, even when the Design is no longer active.
Prices last checked . Each is the price the store lists; marketplaces add a service fee at checkout.
No. Steam sells it for €10.25, the lowest price we track in Malta.
The lowest price we recorded for Idle Spiral - Q.E.D. Pack in the last 30 days, counting keys for every region, was €10.25. The lowest listed price for a key that activates in Malta is €10.25 today.
Not always. Stores that sell their own keys, such as Steam and GOG, add no service fee, though sales tax is added at checkout in the US and Canada. Marketplaces add a service fee at checkout, and some payment methods add their own, so on a marketplace the total at checkout will be higher than the price listed here.
Official stores sell their own keys. Marketplaces and third-party sellers sell keys from other sellers: check the seller and the key’s region before you buy, and pay through the store’s own checkout.
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