SourceVR (Half-Life 2 & Portal VR)

Native standalone Valve Source Engine port for Meta Quest. Play Half-Life 2, Episode 1, Episode 2, Lost Coast, Portal, and Portal 2 in full 6DoF VR without PCVR.

Tracking
Yes, 6DoF
Motion controls
Yes, 6DoF motion controls (Half-Life 2)

Headsets

Quest 2
Quest 3
Quest 3S
Quest Pro

No Quest connected

1Step 1: Install Port APK

This game has 2 steps

Install the app on your Quest.
Add the game files from your own copy. You can send them over USB or copy them yourself.

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Buy Base Game (Store)

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Manual APK Download (GitHub Releases)

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Verification

Install via QuestPorts on v0.1.28 · Quest 3S · today · Game files not sent through the site

Installed by 27 people through QuestPorts

Headset verification status for this port, including Quest Pro and headsets that have not been tested.
Headset	Status	When	Source
Quest 2	Installed via QuestPorts Game files not sent through the site	v0.1.28 · 17 days ago	One-click install
Quest 3	Installed via QuestPorts Game files not sent through the site	v0.1.28 · 2 days ago	One-click install
Quest 3S	Installed via QuestPorts Game files not sent through the site	v0.1.28 · today	One-click install
Quest Pro	Not tested	—	—

Step-by-Step Installation Guide

Install on Quest, in the card above, is the one-click USB install. These steps are the manual path (SideQuest or ADB).

Prerequisites

Meta Quest 2, 3, 3S, or Pro with Developer Mode enabled.
Original Half-Life 2 (and optionally Episode 1, Episode 2, Portal) on Steam.
SideQuest or Android ADB (platform-tools).

Step-by-Step Installation

Download the latest standalone Quest APK (SourceVR-0.1.28.apk) from GitHub Releases.
Install the APK to your Meta Quest via SideQuest or command line: adb install -r SourceVR-0.1.28.apk
Launch SourceVRPort once from App Library → Unknown Sources on your headset and grant file permissions.
Locate your game installation folders on PC:
- Half-Life 2: Steam/steamapps/common/Half-Life 2/
- Portal: Steam/steamapps/common/Portal/
Copy the game content folders to your Quest storage under /sdcard/SourceVRPort/common/:
- For Half-Life 2: copy hl2 and platform
- For Episode One: also copy episodic
- For Episode Two: also copy ep2
- For Portal: copy portal (uses shared hl2 content)
Put on your headset, open SourceVRPort, choose your game, and hit Play once the content check reports ready!

Supported Games in One Hub

Half-Life 2: Full 6DoF motion controls, weapon wheel, interactive vehicles (airboat & buggy).
Episode 1 & Episode 2: Full campaign continuity and flashlight tracking.
Lost Coast: High dynamic range showcase chapter.
Portal: Hand-tracked Aperture Science Handheld Portal Device.
Entropy : Zero: Community campaign support.
Portal 2: Experimental testing build.

Troubleshooting & Tips

Steam legacy files work out-of-the-box. Ensure you copy the required folders into /sdcard/SourceVRPort/common/. Custom content mods can be placed in /sdcard/SourceVRPort/common/hl2/custom/.