|date=April 5, 2016
|genre=WikipediaTechnology demonstration|Technology demonstration
|input=WikipediaHTC|HTC Vive headset, Valve's Lighthouse
|engine=WikipediaUnity (game engine)|Unity Source|Source 2
'''''The Lab''''' is a compilation of virtual reality experiments developed by Valve and other companies. It was announced on March 7, 2016http//valvetime.net/threads/254162 Press release on ValveTime.net (March 7, 2016) and released on April 5, 2016 on Steam for free.
''The Lab'', set in a pocket universe (Pocket Universe Lab 08) of Aperture Science, begins in the Aperture Science Sub Universe Exploration Center which serves as a hub. The player, described as the "test traveler", can access all of the demos from here and interact with objects gathered from them when they're completed.
''Lab Practicum'' from the Half-Life 2 soundtrack|''Half-Life 2'' soundtrack is used in the loading screen.
Choosing the destination from a selection of postcards, the player can use the Aperture Science Base Mounted Portal Sphere to teleport to digital versions of real world locations including WikipediaVesper Peak|Vesper Peak, WikipediaVenice|Venice in Italy, Raufarholshellir Lava Tube in WikipediaIceland|Iceland, and WikipediaSnæfellsjökull|Snæfellsjökull National Park in Iceland. These areas were created by using photogrammetry. Here, the player can interact with a robot dog character.
The player becomes a Calibration Trainee by throwing Personality Cores(?) and destroyed everything in Aperture Storage Annex using the Core Calibration slingshot. The player gets fired from the job at the end of the demo.
Set in the ''WikipediaDota 2|Dota 2'' universe, the player can explore and interact with the objects in the Secret Shop.
===''Aperture Robot Repair|Robot Repair''===
Same as the ''Aperture Robot Repair'' demo which was released on February 22, 2016. It is the only demo that uses the Source 2 engine.
The player can interact with the planets in the solar system.
===''Human Medical Scan''===
Also known as ''Human Body Scan''.
CategoryTechnology demosCategoryPortal series