Rated
based on
85,278+
85.3k
reviews
Instant Download
100% Money Back Guarantee
24/7 Support
Platform
-
Steam
Region
-
CIS
Release Date
- 17 May 2015
Delivery
-
Instant Download
BLACKHOLE: Testing Laboratory
In Stock -
Limited stock available
100% Money-Back Guarantee
Rated Excellent
Based on 85,278+ reviews
-
Flawless Purchase to Activation Experience.
A reliable experience from purchase to activation. Consistently excellent.
Verified Buyer
-
Consistently Satisfying Digital Purchases.
Efficient purchase and prompt service—I’ve never been disappointed.
Verified Buyer
-
15 Years of Trusted Service.
I've been a customer for 15 years. Unmatched service and reliable key delivery.
Verified Buyer
-
Quick PlayStation Plus Key Delivery.
I received my PlayStation Plus key promptly, and the setup was effortless.
Verified Buyer
-
Smooth Ordering Process for Gamers on the Go.
The ordering process was smooth and uncomplicated. Ideal for busy gamers.
Verified Buyer
-
Seamless Windows 11 Pro Activation.
Windows 11 Pro worked perfectly out of the box—reliable and trustworthy.
Verified Buyer
Share this product
Add to Wishlist
Instant Download
100% Money Back Guarantee
24/7 Support
BLACKHOLE: Testing Laboratory
In Stock -
Limited stock available
Platform
-
Steam
Region
-
CIS
Delivery
-
Instant Download
100% Money-Back Guarantee
-
Flawless Purchase to Activation Experience.
A reliable experience from purchase to activation. Consistently excellent.
Verified Buyer
-
Consistently Satisfying Digital Purchases.
Efficient purchase and prompt service—I’ve never been disappointed.
Verified Buyer
-
15 Years of Trusted Service.
I've been a customer for 15 years. Unmatched service and reliable key delivery.
Verified Buyer
-
Quick PlayStation Plus Key Delivery.
I received my PlayStation Plus key promptly, and the setup was effortless.
Verified Buyer
-
Smooth Ordering Process for Gamers on the Go.
The ordering process was smooth and uncomplicated. Ideal for busy gamers.
Verified Buyer
-
Seamless Windows 11 Pro Activation.
Windows 11 Pro worked perfectly out of the box—reliable and trustworthy.
Verified Buyer
Complete Edition OUT NOW!
One of the highest-scoring puzzle platformers of 2015 is coming back in a Complete Edition featuring the award-winning game BLACKHOLE, all available DLC (including the brand new Challenge Vault) and plenty of bonus materials!
All current BLACKHOLE: Collector's Edition owners will get a free upgrade to Complete Edition!
BLACKHOLE: Complete Edition is packed with extra content, such as:
- 3 pieces of DLC (Testing Lab, Secret of the Entity, Challenge Vault)
- Over 130 levels, including 10 all-new, insanely difficult locations
- Digital artbook and soundtrack featuring more than 40 tracks
- Developer diaries
- Playable first prototype of the game
- Printable high resolution artwork
- 12 wallpapers and collector cards
About the Game
DLC: Testing Laboratory tells the story back on the Earth. Testing Laboratory is kind of a flashback chapter or a prequel if you want. Our hero just signed up for the Endera's suicide mission, but he wants to be captain of the mission. What really happens and why he ended up as the coffee-guy? Try to uncover this secret!DLC features:
- Introducing new character: House
- 10 ultimate tests
- 20 levels in total
- New back-story revelations
- Get 5 new achievements
- More than 30 minutes additional gameplay
What Do You Get?
Dive into the BLACKHOLE universe with the Testing Laboratory DLC, a thrilling prequel chapter that uncovers the hero's backstory on Earth. Experience new challenges, characters, and revelations in this award-winning puzzle platformer. Enjoy over 20 levels, 30+ minutes of gameplay, and 5 new achievements. Perfect for fans of indie adventures!
How to Redeem
- Create a Steam account if you don't have one.
- Launch the Steam client and log in.
- Click on the "Games" tab and select "Activate a Product on Steam".
- Enter the activation key provided.
- Follow the on-screen instructions to complete activation.
- Download and play from your Steam Library.
What's Steam?
Steam is the ultimate online destination for gamers, offering a vast library of PC and Mac games, including indie hits like BLACKHOLE. Access your games anytime, anywhere, with cloud saves, community features, and regular sales. It's free to join and supports cross-platform play on supported titles.
Note: This key is valid for RU+CIS region. Ensure your Steam account is set to a compatible region. Once activated, it cannot be refunded.
What's Steam Platform?
Steam connects millions of gamers worldwide, providing seamless access to games, DLC, and extras. Enjoy multiplayer, achievements, and updates directly through the platform. BLACKHOLE: Testing Laboratory supports Mac and brings puzzle-solving action to your library.
System Requirements
Windows Requirements
- OS *: Windows Vista
- Processor: Intel Core 2 Duo
- Memory: 2 GB RAM
- Graphics: Intel Graphics / 512MB VRAM
- DirectX: Version 9.0c
- Storage: 1 GB available space
- Sound Card: Compatible with DirectX®: 9.0c
- Additional Notes: Warning: Laptop graphics card are not supported, but may be functional
Activation Instructions for Steam
-
Step 1: Download Steam Client
Go to store.steampowered.com and download the Steam client.
-
Step 2: Install Steam
Click "Install Steam" from the upper right corner of the page.
-
Step 3: Launch Application
Install and start the application, then log in with your account name and password. If you don't have an account, create one.
-
Step 4: Activate Product
Launch Steam and log into your Steam account. Click the Games Menu and choose Activate a Product on Steam...
-
Step 5: Follow Onscreen Instructions
Follow the onscreen instructions to complete the activation process.
-
Step 6: Download Your Game
After successful code verification, go to the LIBRARY tab and start downloading your game.
Ef Customer Reviews
Write a Review
Be the first to review this product!
Why Buy From Electronic First
FEATURES
OTHERS
Guaranteed Authentic Keys
Receive 100% genuine software keys, backed by our Flawless Activation guarantee for complete peace of mind.
Instant Digital Delivery
Your software key is delivered directly to your email inbox within seconds of completing your purchase. No waiting.
24/7 Expert Support
Our dedicated support team is available around the clock via live chat and email to assist with installation and activation.
Hassle-Free Returns
Our 30-day money-back guarantee ensures a fast refund or replacement if your key is faulty or incompatible.
Transparent All-In Pricing
The price you see is the final price you pay. No hidden service fees or surprise charges at the checkout.
Real Loyalty Rewards
Earn valuable points with every purchase and redeem them for real discounts on future software.
Established & Trusted
A proven track record with thousands of verified, positive reviews from real customers across the globe.
you may also like
-22%
In Stock
-19%
In Stock
-17%
In Stock
Why our Customers Love Us
Rated Excellent
Rated
4.5
out of
5
based on
85,278+
reviews
-
Huge savings on genuine software!
Saved a ton on Office 2021. Got my key immediately and it activated without a hitch. EF is the real deal!
by Verified Buyer
Fast delivery and outstanding support
Bought a PS Plus membership, code in seconds. Had a minor issue, support resolved it fast. Very impressed!
by Verified Buyer
-
Recommended by a friend, now I’m sold
Doubted a deal this good, but a friend insisted. My Windows 10 Pro key arrived instantly and works perfectly.
by Verified Buyer
Needed a key at 2am, got it instantly
Bought Office 2021 at 2am and got my key immediately. I didn’t expect delivery at that hour. Outstanding!
by Verified Buyer
-
Truly worldwide service you can trust
Overseas but still got my code instantly. Xbox Live Gold code redeemed with no region issues. Impressed!
by Verified Buyer
Got all I needed in one go at EF!
Got Windows 10 Pro & Office 2021 far cheaper than retail. Both keys arrived instantly and activated fine.
by Verified Buyer
-
Playing within minutes of purchase
Got a Steam game key cheap. Code came instantly, I was playing within minutes of purchase. Can’t beat that!
by Verified Buyer
Legit keys at a fraction of the cost
Bought Windows 11 Pro dirt cheap. Key arrived instantly and activated without issues. Truly 100% legit!
by Verified Buyer
-
First purchase won me over completely
First purchase, was cautious. Fast delivery and legit PS Plus code won me over. I’ll be a repeat buyer.
by Verified Buyer
Last-minute gifting made easy with EF
Bought an Amazon gift card at a discount. Code arrived in seconds and worked perfectly. A lifesaver!
by Verified Buyer
-
Lightning-fast delivery, great deals
Bought an Xbox Game Pass code at an unbeatable price. Arrived in my email within seconds. Beyond satisfied!
by Verified Buyer
Too good to be true? Nope, it's legit
Windows 11 Pro key seemed too cheap. 80k+ reviews convinced me to try them. Code arrived instantly and worked.
by Verified Buyer
Frequently Asked Questions
Why are your prices so low?
We buy in bulk and deliver everything digitally — no packaging, no postage, no middlemen. Just genuine products at unbeatable prices.
Are your codes/keys really legit?
Yes — 100% genuine, sourced from trusted partners. Over 50,000 reviews and customers since 2007 back that up.
How fast will I get my order?
Almost instantly. 99% of orders are delivered for you to download straight away. A quick security check may delay rare cases slightly.
Will anything be sent in the post?
Nope! Everything is delivered digitally. Your code/key will be sent directly to your email and available in your dashboard.
How do I access my code or key?
Log into your account
Go to Your Dashboard (top right)
Click My Orders
Select your order to view your key(s)
Instant access, no waiting around.
Go to Your Dashboard (top right)
Click My Orders
Select your order to view your key(s)
Instant access, no waiting around.
What if my key doesn’t work?
No stress — if you ever have an issue, our support team is here 24/7. We'll either replace the key or issue a refund, fast.
Join the EF Army for exclusive member benefits
Share