Needle vs. Godot vs. Unreal Engine

See how Needle, Godot, and Unreal Engine compare across key features and capabilities for usage on the web and creating XR experiences for designers, developers and teams.

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Web-first runtime integrated with Unity and Blender plugins, complemented by Needle Cloud for optimization and hosting.
Needle
A feature of the free and open-source Godot Engine, allowing projects to be compiled to WebGL and Wasm for browser deployment, though with some limitations.
Godot
High-fidelity engine primarily for native games/apps. Web strategy focuses on Pixel Streaming (server-side rendering) or exporting assets (glTF) for use in other web engines.
Unreal Engine
Core Platform & Workflow
Solution Type
3D Engine
Cloud Platform
Authoring Tool
Optimization Tool
Web Component
Needle
Solution Type: 3d-engine, cloud-platform, authoring-tool, optimization-tool, web-component
A comprehensive suite including a runtime engine, cloud services for optimization/hosting, authoring via Unity/Blender plugins, and embeddable web component output.
3D Engine
Authoring Tool
Godot
Solution Type: 3d-engine, authoring-tool
Allows exporting projects made in the Godot Editor to run in browsers using WebGL/Wasm.
Authoring Tool
Unreal Engine
Solution Type: authoring-tool
Primarily an authoring tool for creating experiences delivered via Pixel Streaming. No longer supports direct WebGL/Wasm client export.
Made for the web
Needle
Made for the web: Yes
Built from the ground up for the web, focusing on fast loading, efficient rendering, and cross-platform web deployment.
Godot
Made for the web: No
Web is an export target, not the primary design focus. Performance and features may lag behind native builds.
Unreal Engine
Made for the web: No
A high-end engine designed for native performance. Web deployment relies on asset export or streaming.
Typical Workflows
Unity Editor
Blender Editor
Code
HTML
Asset Upload
Needle
Typical Workflows: Unity Editor, Blender Editor, Code, HTML, Asset Upload
Primary workflow involves using Unity or Blender as the authoring environment, exporting scenes and logic. Custom scripts (TypeScript/JavaScript) extend functionality.
Standalone Editor
Code
Godot
Typical Workflows: Standalone Editor, Code
Development uses the integrated Godot Editor, with scripting primarily in GDScript or C#.
Standalone Editor
Visual Scripting
Code
Unreal Engine
Typical Workflows: Standalone Editor, Visual Scripting, Code
Content creation uses the Unreal Editor with Blueprints (visual scripting) or C++.
Use with Unity
Needle
Use with Unity: Yes
Deep integration with Unity Editor via dedicated plugin, allowing export of scenes, C# scripts (transpiled), materials (Shader Graph), animations, and components.
Godot
Use with Unity: No
Separate engine and workflow.
Unreal Engine
Use with Unity: No
Separate engine.
Use with Blender
Needle
Use with Blender: Yes
Integration with Blender via addon, supporting export of scenes, materials, animations, and custom logic nodes.
Godot
Use with Blender: Yes
Godot has strong glTF import capabilities, making Blender a good companion tool.
Unreal Engine
Use with Blender: No
Separate engine.
Interactivity Building Blocks
Needle
Interactivity Building Blocks: Yes
Includes a rich set of components for common interactions, animations, and UI elements.
Godot
Interactivity Building Blocks: No
Limited built-in components, though components are available in the Godot Asset Library.
Unreal Engine
Interactivity Building Blocks: No
Components can be created via scripting, but there is no built-in library of interactivity components.
Extensible with Coding
Needle
Extensible with Coding: Yes
Uses TypeScript with full IDE support in both Unity and standalone projects.
Godot
Extensible with Coding: Yes
GDScript, C#, or visual scripting, with some limitations in web export.
Unreal Engine
Extensible with Coding: Yes
Blueprints visual scripting and C++.
Engine Capabilities
Physically-Based Rendering
Needle
Physically-Based Rendering: Yes
Supports Physically Based Rendering (PBR), custom shaders (via Unity Shader Graph export), lighting, and post-processing effects.
Good
Godot
Physically-Based Rendering: Good
Supports PBR materials, global illumination (SDFGI, VoxelGI - limitations on web), and various post-processing effects, although web export uses the less feature-rich Compatibility renderer.
Unreal Engine
Physically-Based Rendering: Yes
High-end rendering capabilities (Nanite, Lumen, PBR) for desktop and high-performance mobile devices.
Component System
Needle
Component System: Yes
Leverages the component-based architecture of Unity/Blender, extended with custom web-specific components.
Godot
Component System: Yes
Uses a node-based scene structure, which functions similarly to an ECS.
Unreal Engine
Component System: Yes
Uses the Actor-Component model.
Built-in Networking
Needle
Built-in Networking: Yes
Built-in real-time networking for multiplayer and collaborative applications.
Godot
Built-in Networking: Yes
Includes high-level networking APIs, but web exports have constraints (e.g., no UDP, rely on WebSockets/WebRTC).
Unreal Engine
Built-in Networking: Yes
Pixel Streaming is fundamentally a networking solution. Unreal Engine has robust native networking.
Timelines and Sequencing
Needle
Timelines and Sequencing: Yes
Supports timeline-based sequencing, complex animations, animator state machines, blending, and more.
Godot
Timelines and Sequencing: No
Animation state machines are supported via AnimationTree and AnimationPlayer, however there is no dedicated timeline/sequencing tool.
Unreal Engine
Timelines and Sequencing: Yes
Comprehensive Sequencer timeline system for cinematic sequences and complex animation control.
Animation Controls
Needle
Animation Controls: Yes
Supports complex animations authored in Unity (Animator, Timeline) or Blender and exports them for the web.
Godot
Animation Controls: Yes
Supports Godot's AnimationPlayer, AnimationTree, and related nodes.
Unreal Engine
Animation Controls: Yes
Supports complex animations.
Animated Materials
Needle
Animated Materials: Yes
Supports material animations, shader graph, and procedural material effects.
Godot
Animated Materials: Yes
AnimationPlayer can animate material properties as well.
Unreal Engine
Animated Materials: Yes
Advanced material system with dynamic parameters, material instances, and material functions.
Audio Playback
Needle
Audio Playback: Yes
Supports spatial audio configured via Unity/Blender components.
Godot
Audio Playback: Yes
Includes Godot's audio engine capabilities.
Unreal Engine
Audio Playback: Yes
Audio features are part of the engine.
Video Playback
Needle
Video Playback: Yes
Supports video textures and playback controlled via components.
Godot
Video Playback: Yes
Supports video playback using the VideoStreamPlayer node.
Unreal Engine
Video Playback: Yes
Supported within the streamed Unreal application.
Physics Integration
Needle
Physics Integration: Yes
Integrates with physics engines, configured via Unity/Blender components.
Godot
Physics Integration: Yes
Includes Godot's built-in 2D and 3D physics engines.
Unreal Engine
Physics Integration: Yes
Physics simulation is part of the engine but not exported via glTF.
glTF 3D Support
Excellent
Needle
glTF 3D Support: Excellent
Uses glTF as its core runtime format and supports import of various formats (FBX, USD, VRM etc.) which are converted.
Excellent
Godot
glTF 3D Support: Excellent
Godot prioritizes glTF as its primary 3D interchange format.
Unreal Engine
glTF 3D Support: Yes
Provides an official importer and exporter for glTF assets.
Custom User Interfaces
Needle
Custom User Interfaces: Yes
Facilitates creation of UI using standard HTML/CSS and frontend frameworks, integrated with the 3D scene.
Godot
Custom User Interfaces: Yes
Features a comprehensive set of Control nodes for building complex UIs.
Unreal Engine
Custom User Interfaces: Yes
Features the UMG UI Designer.
Web Integration & Deployment
Web Component
Needle
Web Component: Yes
Exports projects as standard web components (<needle-engine> tag) for easy embedding into any HTML page or web application.
Godot
Web Component: No
Web exports are typically embedded via iframe or JavaScript loader.
Unreal Engine
Web Component: No
Pixel Streaming requires a custom client player.
PWA Support
Needle
PWA Support: Yes
Being web-native, Needle Engine projects can be easily included in Progressive Web Apps for offline capabilities and installation.
Godot
PWA Support: Yes
Web exports can be configured as Progressive Web Apps.
Unreal Engine
PWA Support: No
Not supported.
HTML/CSS Integration
Excellent
Needle
HTML/CSS Integration: Excellent
Designed to seamlessly integrate with HTML, CSS, and frontend frameworks (React, Vue, Svelte etc.), allowing blending of 2D UI and 3D content.
Difficult
Godot
HTML/CSS Integration: Difficult
Interaction between the Godot Wasm instance and the webpage requires JavaScript bridging.
Unreal Engine
HTML/CSS Integration: No
Pixel Streaming client allows some UI customization and JS interaction, but doesn't contain features to make this easy.
Host Anywhere
Needle
Host Anywhere: Yes
The core runtime can be self-hosted on any static server. Needle Cloud features (optimization, hosting, analytics) require the cloud service.
Limited
Godot
Host Anywhere: Limited
Requires hosting for the exported files (Wasm, pck, JS). Servers need specific configuration (Cross-Origin Isolation headers for threading).
Unreal Engine
Host Anywhere: No
Pixel Streaming requires significant server infrastructure (GPU instances). glTF export requires only static hosting for assets.
Asset Hosting
Needle
Asset Hosting: Yes
Needle Cloud provides managed hosting and CDN delivery for optimized assets.
Godot
Asset Hosting: No
Requires external hosting for exported build files.
Unreal Engine
Asset Hosting: No
Requires external hosting.
App Hosting
Needle
App Hosting: Yes
Needle Cloud provides managed hosting and CDN delivery for optimized applications.
Godot
App Hosting: No
Requires external hosting for exported build files.
Unreal Engine
App Hosting: No
Requires external hosting.
Performance & Optimization
Engine Size
Medium
Needle
Engine Size: Medium
Optimized runtime aims for minimal footprint, size depends on included features.
Medium/Large
Godot
Engine Size: Medium/Large
Wasm builds can be substantial, though generally smaller than Unity.
Large
Unreal Engine
Engine Size: Large
Not applicable for client-side web builds.
Loading Performance
Excellent
Needle
Loading Performance: Excellent
Rapid development cycles and fast loading times through optimized runtime and asset handling.
Moderate/Slow
Godot
Loading Performance: Moderate/Slow
Loading times depend on project size and optimization efforts.
Low
Unreal Engine
Loading Performance: Low
Pixel Streaming load time involves connecting to the server.
Runtime Performance
Excellent
Needle
Runtime Performance: Excellent
Designed for efficient rendering performance across desktop, mobile, and XR devices.
Moderate/Variable
Godot
Runtime Performance: Moderate/Variable
Web export performance can be lower than native builds due to browser constraints and translation overhead.
High (Streaming)
Unreal Engine
Runtime Performance: High (Streaming)
glTF performance depends on target engine. Pixel Streaming performance is high (server-rendered) but subject to network latency.
Smart Asset Optimization
Excellent
Needle
Smart Asset Optimization: Excellent
Needle Cloud provides significant automated optimization: LOD generation, mesh optimization, extensive texture compression (Basis Universal, WebP, JPG, PNG) and resizing options.
Godot
Smart Asset Optimization: Yes
Offers export options for texture compression (VRAM compression) and other settings.
Unreal Engine
Smart Asset Optimization: Yes
Features like Nanite/Lumen can pre-process assets. glTF exporter offers texture control.
Mesh and Texture LODs
Excellent
Needle
Mesh and Texture LODs: Excellent
Supports automatic mesh simplification, level-of-detail generation and automatic texture compression with multiple quality levels.
Godot
Mesh and Texture LODs: No
No automatic generation of simplification levels, no web-specific optimizations.
Unreal Engine
Mesh and Texture LODs: Yes
Robust LOD system for both meshes and textures with automatic generation options.
XR Support (AR/VR/Spatial)
VR Support (WebXR)
Needle
VR Support (WebXR): Yes
Supports VR headsets via the WebXR standard.
Godot
VR Support (WebXR): Yes
WebXR support is available but requires custom code.
Unreal Engine
VR Support (WebXR): No
Very limited experimental support.
AR Support (WebXR)
Needle
AR Support (WebXR): Yes
Supports markerless WebAR on compatible Android devices via the WebXR standard.
Godot
AR Support (WebXR): Yes
AR capabilities via WebXR are available.
Unreal Engine
AR Support (WebXR): No
Not supported.
AR Support (iOS)
Needle
AR Support (iOS): Yes
Supports interactive markerless WebAR on iOS devices via WebXR.
Godot
AR Support (iOS): No
Quick Look is not supported.
Unreal Engine
AR Support (iOS): No
Not supported.
AR Support (visionOS)
Needle
AR Support (visionOS): Yes
Explicit support for creating spatial computing experiences deployable on visionOS.
Godot
AR Support (visionOS): No
Not directly supported via web export.
Unreal Engine
AR Support (visionOS): No
Pixel Streaming is a potential path. Native visionOS support exists.
AR Tracking Types
Surface
Image
Needle
AR Tracking Types: Surface, Image
Supports World Tracking via the WebXR standard on compatible devices. Image tracking is supported on iOS AR but requires a device-specific flag for Android AR.
Limited (WebXR)
Godot
AR Tracking Types: Limited (WebXR)
Tracking capabilities depend on the WebXR implementation in the browser.
Unreal Engine
AR Tracking Types: No
AR tracking would need to be handled by the custom Pixel Streaming client application.
Ecosystem & Support
Official Support Availability
Needle
Official Support Availability: Yes
Dedicated support available for licensed users.
Godot
Official Support Availability: No
Support is primarily community-based. Commercial support providers exist.
Unreal Engine
Official Support Availability: Yes
Paid support and enterprise options available.
Learning Resources
Needle
Learning Resources: Yes
Extensive documentation, tutorials, live samples, and active community support.
Godot
Learning Resources: Yes
Good official documentation, tutorials, and a growing number of community resources.
Unreal Engine
Learning Resources: Yes
Vast library of learning content on the Epic Developer Community and elsewhere.
License
Commercial
Needle
License: Commercial
Commercial license required for full features and deployment. Free evaluation available.
Open Source
Godot
License: Open Source
Free and open source under the MIT license.
Commercial
Unreal Engine
License: Commercial
Free to use up to a revenue threshold, then royalty-based or custom licensing.

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