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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

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.

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