Blackhole Testing Laboratory
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About Blackhole Testing Laboratory
Testing Laboratory is a prequel chapter set on Earth that tells a story from before the events of Blackhole. After signing up for Endera's suicide mission, the hero wants to become its captain. You uncover what happens and why he ends up as the coffee guy.
DLC content
The chapter introduces House and includes 20 levels across 10 tests. It reveals more of the backstory, adds 5 achievements and provides more than 30 minutes of additional gameplay.
Frequently asked questions
The best price for Blackhole Testing Laboratory is $0.49 at GamersGate. That is 50% less than on Steam, where it costs $0.99. 3 shops have an offer that activates in your country.
Some are. This page only shows offers that activate in your country; offers for other regions, or with no stated region, are left out. To see the offers for another country, change your country at the top of the page.
Every key we list activates on Steam. Redeem the key there and Blackhole Testing Laboratory stays in your library for good.
Yes, with a small risk. Publishers create keys to sell in other shops, which is why a key can cost less than in the official store, and once you activate it the DLC is yours to keep, just like a store purchase. On average 1–2% of keys fail, so check the shop's buyer protection before you buy: the official store does not refund keys bought elsewhere.
No. Blackhole Testing Laboratory is DLC and only works with Blackhole.
The minimum requirements for Blackhole are: Windows 7, Intel Core 2 Duo, 2 GB RAM, 2 GB storage. It also runs on macOS. The recommended specs are in the System requirements section.
No. Blackhole is a single-player game.
Buy Blackhole Testing Laboratory 50% cheaper than on Steam.
Blackhole Testing Laboratory is available for 50% less in shops such as GamersGate or YUPLAY.
Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.
Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.











