Mather — cheap CD keys, compare prices
Is it worth buying?
- The price is at or near its all-time low — a good time to buy.
Estimate based on public reviews (Metacritic/Steam) and price history — the final call is yours.
About the game
Mather is a fast-paced console math game where players race the clock and solve equations before time runs out. It includes nine Steam achievements as an added challenge and is built to test how quickly players can think under pressure. DanikGames Inc both developed and published it, with a 2026 release.
Best price today
€2.09
lowest in tracked period: official €2.09 near low
The cheapest Mather key right now costs €2.09 at Steam. The lowest price we have recorded for this game: €2.09.
The average low over the past 2 months was €2.09.
Prices as of
Steam best price Official store
No offers match these filters — try widening them.
Listed seller price shown — payment fees may vary by method.
Lowest — official stores
€2.09
Sept 2026
Price history
last 29 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €2.09 | — |
| Sept 2026 | €2.09 | — |
Lowest in-stock price per month from our price history; the current month is the low so far.
How to activate your key
- Steam key — open the Steam client → Games → Activate a Product on Steam → enter the key. Stores with this activation: Steam
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All-time low so far: €2.09
System requirements
| Minimum | |
|---|---|
| OS | Windows 10 / 11 |
| Processor | Any 1.5 GHz processor or faster |
| Memory | 512 MB RAM |
| Graphics | Any basic graphics device / Integrated GPU |
| Storage | 50 MB available space |
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About this game — FAQ
Can Mather be played single-player?
Yes, Mather is a single-player game.
What languages does Mather support?
Mather is available in: English.
Does Mather use Steam Cloud saves?
Yes, Mather uses Steam Cloud, so your saves sync across devices.
FAQ
Where is the cheapest place to buy a Mather key?
The cheapest Mather key is currently sold by Steam for €2.09. The lowest price we have ever recorded for this game: €2.09.
How much does Mather cost?
Mather currently costs from €2.09 — the cheapest offer across the stores we track.
Is Steam an official store or a keyshop?
Steam is an official store — keys come directly from the publisher or an authorized distributor.
Are keys from these stores legal?
Buying is legal — keys come from the grey market, so a small deactivation risk exists. So before paying, check the seller's buyer protection.
Which key region should I pick?
Global activates everywhere. Regional keys (Europe, North America, RU-CIS) only work on accounts from that region — use the Region filter to match your account.
What is an activation platform?
The service where the key activates — Steam, GOG, Epic or the publisher's platform. A key for one platform won't work on another, hence the separate filter.
What's the difference between editions?
Standard is the base game; Deluxe usually adds an expansion or bonus content. The edition filter shows exactly that variant, with no mixed prices.