Black Box - Hacker Day One — 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
Black Box - Hacker Day One is a hacking simulation set entirely within a mock desktop environment, with no menu ever breaking that illusion. Players get nothing but a terminal and a 72-hour window to infiltrate North Korea's missile-launch system and reroute the warheads away from Seoul and onto the Moon, all without leaving a trace. The title falls under the indie and simulation genres, developed by elevenBytes and published by G-DEVS.com in 2026.
Best price today
€0.39
all-time low: official €3.41 · keyshop €0.39 near low
On Steam: €5.89 — you save 93% here
The cheapest Black Box - Hacker Day One key right now costs €0.39 at Kinguin — the best of 2 compared offers. The lowest price we have recorded for this game: €0.39. The cheapest official store price is €5.89 at Steam.
The average low over the past 4 months was €0.57.
Prices as of
Steam Official store
No offers match these filters — try widening them.
Listed seller price shown — payment fees may vary by method.
Black Box - Hacker Day One prices by store 2
| Store | Type | Price |
|---|---|---|
| Kinguin | Marketplace | €0.39 |
| Steam | Official store | €5.89 |
Lowest — official stores
€3.41
Oct 2026
Lowest — keyshops
€0.39
Sept 2026
Price history
last 90 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €3.41 | €0.39 |
| Sept 2026 | €3.47 | €0.39 |
| Aug 2026 | €3.65 | €0.51 |
| Jul 2026 | €4.59 | €0.98 |
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: Kinguin, Steam
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All-time low so far: €0.39
System requirements
| Minimum | Recommended | |
|---|---|---|
| OS | Windows 10 64-bit | Windows 10/11 64-bit |
| Processor | Intel Core i3 / AMD equivalent | Intel Core i5 / AMD equivalent |
| Memory | 4 GB RAM | 8 GB RAM |
| Graphics | Any GPU with Vulkan or DirectX 12 support | NVIDIA GeForce GTX 1060 / AMD equivalent |
| DirectX | Version 12 | Version 12 |
| Storage | 1 GB available space | 2 GB available space |
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About this game — FAQ
Can Black Box - Hacker Day One be played single-player?
Yes, Black Box - Hacker Day One is a single-player game.
What languages does Black Box - Hacker Day One support?
Black Box - Hacker Day One is available in: English.
FAQ
Where is the cheapest place to buy a Black Box - Hacker Day One key?
The cheapest Black Box - Hacker Day One key is currently sold by Kinguin for €0.39. That is the best of 2 offers we compare; prices are refreshed regularly. The lowest price we have ever recorded for this game: €0.39.
How much does Black Box - Hacker Day One cost?
Black Box - Hacker Day One currently costs from €0.39 — the cheapest offer across the stores we track. For comparison, the game costs €5.89 on Steam, so buying a key saves you about 93%.
Is Kinguin an official store or a keyshop?
Kinguin is a keyshop (marketplace) where independent sellers list keys, so prices are often lower than in official stores. Every offer on ulov.gg is clearly labeled with its store type.
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.