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About The Lab
The Lab is a free‑to‑play VR application for Windows that runs with SteamVR and tracked controllers. Developed by Valve, it bundles several single‑player experiences that can be shared via Family Sharing.
01 / THE GUIDE
Slingshot Calibration
In Slingshot you start as a Calibration Trainee and fire the Core Calibration slingshot at objects inside the Aperture Storage Annex.
The activity lets you watch how launched objects react when they hit the environment.
- Observe how different launch angles affect the path of the projectile.
- Notice the visual response when multiple objects are struck in quick succession.
02 / THE GUIDE
Longbow Castle Defense
Longbow places you at a castle gate where you fire arrows at a wave of cute attackers.
Each arrow follows a visible trajectory that reflects distance and gravity.
- Watch how arrows arc when aimed at targets that are farther away.
- Compare the timing needed to hit moving attackers at different ranges.

03 / THE GUIDE
Human Medical Scan
Human Medical Scan presents a highly detailed 3‑D model of the human body built from CT scans.
You can rotate and zoom the model to view organs, bones, and vessels without any gameplay objectives.
- Move slowly to notice fine anatomical details.
- Rotate the model to compare left‑right symmetry of structures.
04 / THE GUIDE
Solar System Exploration
Solar System lets you travel through a virtual recreation of the solar system, approaching planets up close.
On‑screen information appears as you near each body, encouraging curiosity‑driven learning.
- Pause near each planet to read the on‑screen details.
- Observe the motion required to orbit larger bodies.
05 / THE GUIDE
Secret Shop
Secret Shop is a fantasy‑themed 24‑hour convenience store where you can view artifacts, familiars, and cast minor spells.
The items are presented as visual collectibles and do not affect other experiences.
- Explore the shop to view each displayed artifact.
- Observe the visual style of the items and any accompanying effects.





COMMUNITY
Player discussion