BLACKHOLE Testing Laboratory PC

This product is available worldwide; no region lock.

After payment has been approved, your game key will be included in your order confirmation email. You can access your key by following a link in the email. Next, you can activate your key on its corresponding platform.

If you’ve pre-ordered a game, your key will be delivered to your email a day before the official (or early access) release date. You will also receive a notification via email when your key becomes available.

Activate with Steam:

• Download and install the Steam client on your PC (https://store.steampowered.com/about/), then sign up and log in.
• Locate the Steam key in your cdkeys.com confirmation email, and copy it to your clipboard by pressing “Ctrl+C”.
• Open the Steam client and locate the “+ ADD A GAME...” button on the bottom left of the window. Click this and choose the “Activate a Product on Steam…” option.
• Paste the key from your clipboard in the “Product Code” section when asked, and follow the rest of the prompts to add the game to your library.
• Your game is now viewable in the “Library” tab, and is available to download/install when you’re ready!

You can find additional support for the Steam client here: https://help.steampowered.com/en/wizard/HelpWithSteam

• Enjoy a new character in the game, House.
• Explore 10 ultimate tests.
• Complete 20 unique levels.
• Discover new backstory revelations.

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