Blue Whale — cheap CD keys, compare prices
Is it worth buying?
- Reviews are mixed. (Steam 54%)
- The price is above its low (was €2.98), but within a reasonable range. Notify me on a drop →
Estimate based on public reviews (Metacritic/Steam) and price history — the final call is yours.
About the game
Blue Whale follows twelve-year-old Midori, who gets an online message from an unfamiliar user inviting her to join a secretive, high-stakes challenge called 'Blue Whale'. According to the story, the challenge is meant to end with the girl turning into a whale. Classified as a violent indie adventure, it was both developed and published by Lissencephaly in 2017.
Best price today
€3.99
all-time low: official €3.99 · keyshop €2.98 (+34%)
The cheapest Blue Whale key right now costs €3.99 at Steam — the best of 3 compared offers. The lowest price we have recorded for this game: €2.98.
The average low over the past 4 months was €3.23.
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.
Blue Whale prices by store 3
| Store | Type | Price |
|---|---|---|
| Steam | Official store | €3.99 |
| Kinguin | Marketplace | €6.32 |
| K4G | Marketplace | €8.56 |
Lowest — official stores
€3.99
Jul 2026
Lowest — keyshops
€2.98
Jul 2026
Price history
last 89 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €3.99 | €4.79 |
| Sept 2026 | €3.99 | €2.98 |
| Aug 2026 | €3.99 | €2.98 |
| Jul 2026 | €3.99 | €2.98 |
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, Kinguin, K4G
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All-time low so far: €2.98
System requirements
| Minimum | Recommended | |
|---|---|---|
| OS | Windows XP, Vista, 7, 8, or 10 | Windows XP, Vista, 7, 8, or 10 |
| Memory | 2 GB RAM | 2 GB RAM |
| Graphics | 512MB | 512MB |
| Storage | 400 MB available space | 400 MB available space |
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About this game — FAQ
Can Blue Whale be played single-player?
Yes, Blue Whale is a single-player game.
What languages does Blue Whale support?
Blue Whale is available in: English.
FAQ
Where is the cheapest place to buy a Blue Whale key?
The cheapest Blue Whale key is currently sold by Steam for €3.99. That is the best of 3 offers we compare; prices are refreshed regularly. The lowest price we have ever recorded for this game: €2.98.
How much does Blue Whale cost?
Blue Whale currently costs from €3.99 — 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.