Fast XR Dev Lessons Part 2: Add Multiplayer & High-Value Interactions!
Welcome to Part 2 of our XR development series! In this part, we’re diving into one of the most powerful ways to boost replayability, retention, and organic growth in your VR/MR projects: Multiplayer + High-Value Interactions If you’re building anything social, competitive, collaborative, or chaotic… this one is for you. Why Social VR Is a Game Changer 36 of the top 50 games on the Meta Store are Multiplayer. This is HUGE. Social VR is exploding — and for a good reason: Shared presence creates moments that stick: Instant emotional connection Longer play sessions More organic sharing Natural viral growth When players laugh, emote, race, or mess around together, your game grows naturally. Multiplayer isn’t just a feature. It’s a retention engine. Start With a Core Social Loop Don’t “add multiplayer.” Add a social purpose. Ask yourself: What’s the 10-second moment so fun that someone would show it to a friend? That moment becomes the anchor for your multiplayer design. Examples: A chaotic mechanic players can trigger on each other A funny avatar reaction or voice filter A toy that’s satisfying to throw A mini-event everyone experiences together Simple, reactive loops beat giant maps every time. High-Value Multiplayer Interactions Players don’t remember complex systems. They remember moments. High-value interactions are simple but highly reactive, such as: Throwables that bounce, squeak, or explode harmlessly Avatars that laugh, wobble, or flinch when hit Shared countdowns, race starts, or victory poses Objects that can be grabbed, tossed, or used together Funny sound effects or physics surprises Tiny touches → big delight. 🎥 Design for Viral Moments Think like TikTok. What would someone WANT to record? Comedic physics Funny voice modifiers Dramatic win/lose screens End-of-round celebrations Goofy gadgets or interactions Build “clip-able” moments, and your players become your marketers. Networking Is Hard (So Scope Carefully) Multiplayer multiplies everything: More systems More complexity More edge cases More testing time And VR multiplayer is even harder to test than flatscreen. So: Plan smaller, give yourself time, and playtest constantly. Keep your core loop tiny until it works perfectly with two players. Networking Frameworks (Choose What Fits You) Different frameworks suit different projects and teams: Photon (Fusion / PUN) Flexible topologies Large sample library Highly scalable Great for action-heavy multiplayer Unity Netcode for GameObjects First-party Unity VR Multiplayer Template available Ideal for Unity-native developers Normcore VR-first design Built-in spatial VoIP Fastest to set up Great for social sandbox worlds Your choice should match your timeline, complexity, and especially your skillset. Multiplayer Testing Without Losing Your Mind My favorite free tool: ➡️ ParrelSync Run multiple Unity editor instances — no builds required. Massive time-saver. Huge sanity-saver. Perfect for early multiplayer iteration. Multiplayer Building Blocks (A Huge Head Start) Meta’s Multiplayer Building Blocks include: Matchmaking Friends-only rooms Player name tags Networked avatars Networked grabbable objects Voice chat Shared spatial anchors If you're new: start here. If you're experienced, this still accelerates development. Final Thoughts Immersive social experiences will only continue to grow. So learning how to build them is one of the most valuable skills in XR. You don’t need massive environments or complex systems — just meaningful shared interactions. Start small. Prototype fast. Build for memorable moments. Let the players create the magic. Part 3 is coming soon — stay tuned! – Tevfik
The Complete List of Sample Unity VR Projects
Hey guys, I wanted to put together a list of my favorite sample projects that you can grab and learn from. In my opinion, these projects are pure goldmines, they don’t just showcase design principles around specific features but also provide direct examples of how to use them, which is especially important right now for something like a hackathon. For an even larger collection of Meta samples, see the GitHub list of all Meta sample repos here: https://github.com/orgs/oculus-samples/repositories?type=all Let’s start with our first category, the interaction samples. Interaction Samples Meta XR All-In-One (Interaction SDK) Sample Links: https://github.com/oculus-samples/Unity-InteractionSDK-Samples https://assetstore.unity.com/packages/tools/integration/meta-xr-all-in-one-sdk-269657 Description: A comprehensive demo from Meta’s XR Interaction SDK featuring core VR interactions like poking, grabbing, raycasting, UI, and locomotion, all working together. Perfect to understand how to integrate both hands and controllers in one system. First Hand Link: https://github.com/oculus-samples/Unity-FirstHand Description: A full VR game demo focused on hand-tracked interactions. It showcases a complete Unity experience using the Interaction SDK with hand tracking as the main input and controller fallback. XR Interaction Toolkit Examples Link: https://github.com/Unity-Technologies/XR-Interaction-Toolkit-Examples Description: Unity’s official XR Interaction Toolkit samples showing how to implement locomotion, selection, grabbing, and UI interactions. A solid starting point for setting up XR Origin and interactor/interactable components. Move Fast Link: https://github.com/oculus-samples/Unity-MoveFast Description: A fast-paced VR fitness demo using hand tracking and the Interaction SDK. The sample shows how to build an energetic workout game with responsive, punch-based interactions. Whisperer Link: https://github.com/oculus-samples/voicesdk-samples-whisperer Description: A voice-controlled VR experience demonstrating the Meta Voice SDK. Use voice commands as part of gameplay to learn how to integrate real-time voice recognition into your own projects. Tilt Brush (Open Brush) Link: https://github.com/icosa-foundation/open-brush Description: An open-source continuation of Google’s Tilt Brush. Lets users paint and sculpt in 3D space — an excellent reference for creative VR tools and spatial drawing. Multiplayer & Social Samples VR Multiplayer Sample (Unity XRI) Link: https://docs.unity3d.com/Packages/com.unity.template.vr-multiplayer@2.0/manual/index.html Description: Unity’s official multiplayer VR template featuring a prebuilt scene, avatars, and networking setup using Netcode for GameObjects. Great for learning multi-user interactions in VR. Mixed Reality Multiplayer (XR Multiplayer) Sample Link: https://docs.unity3d.com/Packages/com.unity.template.mr-multiplayer@1.0/manual/index.html Description: A tabletop MR multiplayer demo that includes avatars, voice chat, and shared AR/VR spaces. Features games like balloon slingshot and chess while teaching MR networking and colocation concepts. Tiny Golf Link: https://github.com/Meta-Horizon-Start-Program/Tiny-Golf Description: A free-to-play multiplayer mini-golf VR game created for the Meta Start program. Demonstrates basic physics, scoring, and networked multiplayer. Ultimate Glove Ball Link: https://github.com/oculus-samples/Unity-UltimateGloveBall Description: A VR e-sport showcase demonstrating multiplayer, avatars, voice, and in-app purchases. Integrates Photon networking and Oculus social APIs, making it a great reference for social competitive games. Spirit Sling Link: https://github.com/oculus-samples/Unity-SpiritSling Description: A social MR tabletop game letting players place a shared game board in real space and invite friends to join. Highlights Avatars SDK and MR colocated play. Decommissioned Link: https://github.com/oculus-samples/Unity-Decommissioned Description: A social-deduction VR game inspired by titles like Among Us. Shows how to handle multiplayer lobbies, Oculus invites, and social APIs in a networked Unity project. Mixed Reality (MR) Samples A World Beyond (Presence Platform Demo) Link: https://github.com/oculus-samples/Unity-TheWorldBeyond Description: A full MR showcase combining Scene Understanding, Passthrough, hand tracking, voice input, and spatial audio. A must-see for developers building immersive MR scenes blending real and virtual spaces. Phanto (MR Reference App) Links: https://github.com/oculus-samples/Unity-Phanto https://developers.meta.com/horizon/blog/phanto-unreal-showcase/ Description: An MR reference app focused on environmental awareness. Uses the Scene Mesh and MR APIs to blend gameplay with real-world geometry. Unity Discover (featuring Drone Rage and others) Links: https://www.meta.com/en-gb/experiences/discover/7041851792509764/ https://github.com/oculus-samples/Unity-Discover Description: A collection of MR showcase mini-experiences like Drone Rage. Demonstrates MR features including Passthrough, Spatial Anchors, and Shared Anchors in various game prototypes. MR Motifs Link: https://github.com/oculus-samples/Unity-MRMotifs Description: A library of MR “motifs”, small, reusable templates showcasing mechanics such as passthrough transitions, colocated multiplayer, and instant content placement. Cryptic Cabinet Link: https://github.com/oculus-samples/Unity-CrypticCabinet Description: A short MR escape-room experience that adapts to your room’s layout. Demonstrates interactive storytelling in mixed reality using environmental awareness. Passthrough Camera API Samples Link: https://github.com/oculus-samples/Unity-PassthroughCameraApiSamples Description: A sample project demonstrating how to access and process Quest’s Passthrough camera feed for effects, object detection, and image manipulation. Tool and Utilities Asset Streaming Link: https://github.com/oculus-samples/Unity-AssetStreaming Description: An open-world streaming sample that shows how to dynamically load content using Addressables and LOD systems — ideal for maintaining performance in large VR environments. Shader Prewarmer Link: https://github.com/oculus-samples/Unity-ShaderPrewarmer Description: A utility sample that preloads shader variants at startup to eliminate hitching or stutters when shaders first compile — an important optimization for smooth VR performance. Complete Game Showcase Northstar Link: https://github.com/oculus-samples/Unity-NorthStar Description: A complete VR game showcasing advanced interaction and visual technique for VR. Featuring rope physics, narrative story telling, lip sync and more.
