The Source — cheap CD keys, compare prices
Is it worth buying?
- The price is above its low (was €0.99), 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
The Source is a sci-fi visual novel following its main characters as they travel through time and uncover the secrets of their world. It was made and published by Octopuses in 2024.
Best price today
€1.24
all-time low: official €0.99 · keyshop €3.90 (+25%)
The cheapest The Source key right now costs €1.24 at Steam — the best of 2 compared offers. The lowest price we have recorded for this game: €0.99.
The average low over the past 4 months was €2.51.
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.
The Source prices by store 2
| Store | Type | Price |
|---|---|---|
| Steam | Official store | €1.24 |
| Kinguin | Marketplace | €3.90 |
Lowest — official stores
€0.99
Jul 2026
Lowest — keyshops
€3.90
Aug 2026
Price history
last 89 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €1.24 | €3.90 |
| Sept 2026 | €4.99 | €3.90 |
| Aug 2026 | €4.99 | €3.90 |
| Jul 2026 | €0.99 | €4.29 |
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
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All-time low so far: €0.99
System requirements
| Minimum | |
|---|---|
| OS | Windows 7 |
| Processor | 1 Ghz |
| Memory | 512 MB RAM |
| Graphics | DirectX or OpenGL compatible card |
| Storage | 2 GB available space |
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About this game — FAQ
Can The Source be played single-player?
Yes, The Source is a single-player game.
Does The Source support a controller/gamepad?
Yes, The Source has full controller support.
What languages does The Source support?
The Source is available in: English.
Does The Source use Steam Cloud saves?
Yes, The Source uses Steam Cloud, so your saves sync across devices.
FAQ
Where is the cheapest place to buy a The Source key?
The cheapest The Source key is currently sold by Steam for €1.24. That is the best of 2 offers we compare; prices are refreshed regularly. The lowest price we have ever recorded for this game: €0.99.
How much does The Source cost?
The Source currently costs from €1.24 — 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.