Black Mesa – Steam Key

Black Mesa is the complete reconstruction of Half-Life on the Source engine, started by a team of enthusiasts and turned into a commercial product approved by Valve. You play Gordon Freeman, a physicist at the Black Mesa research facility, on the day when an experiment turns to disaster and opens a breach towards a hostile dimension. The game keeps the structure and pacing of the original — no cutscenes, no interruptions, a continuous first-person progression — but entirely rebuilds the settings, models and dialogue.

What awaits you

• A complete overhaul — redesigned levels, modern lighting, animations and voice acting entirely redone.
• Progression with no interruption — the story unfolds through the character's eyes, without ever taking control away.
• Iconic arsenal — crowbar, pulse gun, crossbow, explosive leeches and turrets.
• Environmental puzzles — jumps, valves, electrical circuits and irradiated zones to work around.
• The reworked Xen chapter — the alien section, heavily criticised in the original, has been completely redesigned.
• Varied enemies — creatures from Xen and military forces sent to cover up the incident.

Activation on Steam

Your key arrives by e-mail within 24 hours maximum. In the Steam client, open the "Games" menu then "Activate a Product on Steam", enter the key and confirm to add the game to your library.

System requirements

64-bit Windows, a dual-core processor, 4 to 8 GB of RAM and a modest dedicated graphics card are enough. Allow around forty gigabytes of disk space. The game runs comfortably on a mid-range machine.

Buy Black Mesa in Switzerland

CHKEY is a Swiss company based in Lausanne. You can buy Black Mesa in Switzerland with a price in CHF, an invoice including Swiss VAT and support in French by e-mail. The Steam key reaches you within 24h after payment.