Supernova Idle — 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
Supernova Idle casts you as a black hole that consumes everything in its way, growing over time into a cosmic monster. Once powerful enough, you can set off supernovas that wipe the universe clean, carrying a permanent power boost into the next cycle. The game was made and published by Babaktin in 2026.
Best price today
€2.99
all-time low: official €2.99 near low
The cheapest Supernova Idle key right now costs €2.99 at Steam. The lowest price we have recorded for this game: €2.99.
The average low over the past 4 months was €2.99.
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
€2.99
Jul 2026
Price history
last 75 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €2.99 | — |
| Sept 2026 | €2.99 | — |
| Aug 2026 | €2.99 | — |
| Jul 2026 | €2.99 | — |
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
Price alert Catch alert Price alert
Confirm in our Telegram bot — no account, no spam.
All-time low so far: €2.99
System requirements
| Minimum | |
|---|---|
| OS | Windows 10 64-bit |
| Processor | Dual-core 2.0 GHz |
| Memory | 4 GB RAM |
| Graphics | GPU with Vulkan or DirectX 11 support (Intel HD 4000 or equivalent) |
| Storage | 500 MB available space |
Similar games
About this game — FAQ
Can Supernova Idle be played single-player?
Yes, Supernova Idle is a single-player game.
What languages does Supernova Idle support?
Supernova Idle is available in: English, Spanish - Spain, Japanese, Korean, Simplified Chinese, Spanish - Latin America, Filipino, French and 2 more.
Does Supernova Idle use Steam Cloud saves?
Yes, Supernova Idle uses Steam Cloud, so your saves sync across devices.
FAQ
Where is the cheapest place to buy a Supernova Idle key?
The cheapest Supernova Idle key is currently sold by Steam for €2.99. The lowest price we have ever recorded for this game: €2.99.
How much does Supernova Idle cost?
Supernova Idle currently costs from €2.99 — 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.