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I am building a browser-based 3D educational RPG for my platform, Questlish. The game helps ESL students learn English through 3D exploration and UI-based puzzle mechanics. I have a complete, finalized Game Design & Technical Specification ready to go. I am looking for an experienced developer to build the Phase 1 Minimum Viable Product (MVP) quickly and [login to view URL] You Will Build (MVP Scope):The Engine: A responsive React Three Fiber canvas optimized for mobile and desktop. The Environment: A simple "floating sky island" level with basic Rapier 3D physics (floor, a few crates). We are using a stylized, low-poly aesthetic to maintain high mobile frame rates. The Controller: A 3D character controller (WASD/Mouse for desktop, virtual joystick/touch for mobile). The Core Loop:A basic inventory system where the player collects 3D glowing "word" items. An interaction system (e.g., walking up to an NPC to trigger a 2D React UI overlay). A logic system that reads simple JSON data (provided by our CMS) to generate the UI puzzles (e.g., dragging and dropping collected words to build a sentence). Why You Want This Job:Zero Guesswork: I am not asking you to design the game. The mechanics, art direction, and exact JSON data structures are fully [login to view URL] AI/Backend Integration Required: The game strictly reads JSON props passed down from the parent React site. You only have to build the frontend engine and mechanics. Future Work: If the MVP is successful, there will be ongoing contract work to expand the islands, add new puzzle types, and integrate 3D [login to view URL]:Please reply with a link to at least one web-based 3D project you have built using React Three Fiber / Three.js. Start your proposal with the word "Lexicon" so I know you read the details.
Project ID: 40691498
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133 freelancers are bidding on average $396 USD for this job

✅ Hello, Lexicon — we can build your Phase 1 MVP in React Three Fiber with Rapier, focused on the responsive canvas, floating sky island, and desktop/mobile controls. Since your spec and JSON structures are finalized, we would start by wiring the scene shell and data flow first, then add pickups, NPC triggers, and the React puzzle overlay. - Build the R3F + Rapier scene for mobile and desktop. - Add WASD/mouse and virtual joystick controls. - Create pickups, inventory, NPC interaction, and JSON puzzle flow. - Connect the 2D React UI overlay to gameplay states. We are Webcapitan from Ukraine, 8+ years in development, a Preferred Freelancer, with 5★ across 580+ reviews. Will this MVP live inside your existing React site, or as a standalone embeddable module? Will you provide the 3D assets and UI screens, or should we use placeholders from the spec? Please let me know your thoughts. Looking forward, Roman
$400 USD in 3 days
7.8
7.8

Hello, i am ready exited to work you as i read your job description I am also an expert in making 2d,3d modelling and animating characters 2dautocad drawing ,elevation, solid work, Revit ,FBX ,Unity, Render also interior and exterior design. I have experience in field of more than 10+ years. I can Create Intro and Explainer Videos. for products and companies. Kindly check My Portfolio as well. Hope for your very soon reply. Thank you
$255 USD in 2 days
7.7
7.7

Hi, I went through your project details and understand what you're looking to achieve. I'd be interested in working with you on this. Based on the requirements you've shared, I can handle the project from start to completion while keeping the work aligned with your expectations, timeline, and desired outcome. My approach is straightforward: first, I'll make sure the requirements and expected deliverables are clear. Then I'll complete the work in structured stages, share progress along the way, incorporate your feedback, and deliver the final work after everything has been reviewed. Before we begin, I have a couple of questions about your requirements that will help me understand the scope more accurately. Feel free to message me so we can discuss the details and determine the best way to move forward. Best regards, Anum
$250 USD in 1 day
6.6
6.6

Hi, Lexicon I read your MVP details for Questlish and the goal of a mobile-friendly, 3D word-driven RPG. This kind of React Three Fiber engine with a JSON-driven UI loop is a familiar pattern from projects that blend 3D space with lightweight 2D overlays. I’ve delivered browser-based 3D experiences that tie WASD/mouse and touch controls to downstream UI puzzles. I’d start by validating the current flow in a simple scene, then lock in mobile input behavior and the word-collection loop. A key challenge is keeping the 3D canvas fluid on low-end devices while running Rapier physics. What should happen to collected words when the player leaves and returns later? Are there any performance or asset-size constraints we should observe for the mobile build? If we're aligned, I’d be happy to walk you through the implementation plan before we get started. Best regards, Brandon
$300 USD in 3 days
6.1
6.1

Lexicon Hello! We are an experienced agency with a skilled team of React developers and over 5 years of experience in building interactive web applications. Our expertise aligns perfectly with your project to create a 3D educational RPG MVP for Questlish. We understand that you require a responsive React Three Fiber canvas and a simple yet engaging gameplay environment to enhance ESL learning. Our team will focus on delivering a polished MVP that meets your specifications efficiently. To execute this project, we will leverage React Three Fiber for the engine, implement Rapier 3D physics for interactive elements, and develop a 3D character controller compatible with both desktop and mobile devices. Additionally, we will create a basic inventory and interaction system to facilitate the core gameplay loop. Deliverables: - Responsive React Three Fiber canvas - Floating sky island level with basic physics - 3D character controller for desktop and mobile - Basic inventory and interaction systems We are ready to get started and deliver the results you need. Best regards, Ezra
$350 USD in 14 days
6.3
6.3

Hi, I'm Denis, a full-stack developer experienced in building browser-based 3D applications with React Three Fiber and Three.js. I understand you're creating an MVP for Questlish, an educational RPG where ESL students learn English through 3D exploration and puzzle mechanics. I've reviewed your specification. The scope is clear: a responsive R3F canvas with a floating island, Rapier physics, a 3D character controller, an inventory system for word items, NPC interactions with React overlays, and JSON-driven UI puzzles. The low-poly aesthetic for mobile performance and frontend-only approach are straightforward to execute. I've worked on similar projects involving R3F canvases, character controllers with mobile touch support, and systems that consume JSON data to dynamically generate UI. My focus is building a performant mobile foundation with clean architecture for future expansion. My approach starts with the R3F scene and camera, then builds the character controller for desktop and mobile. I'll integrate Rapier physics, create inventory and interaction systems, and connect JSON-driven puzzle logic to your React overlays. Early mobile testing ensures high frame rates as content expands. I'd prioritize clean state management between the 3D canvas and React UI overlays. This prevents bugs when puzzle logic triggers and avoids performance-impacting re-renders. I'm ready to start immediately. Let's discuss the details. Thanks, Denis.
$400 USD in 5 days
5.7
5.7

With extensive experience in React Three Fiber and game development, I understand your need for a skilled developer to create the Phase 1 MVP for Questlish. How can we best integrate the 3D word items into the inventory system to enhance ESL learning engagement? Regards, Yogesh Kumar
$270 USD in 9 days
5.6
5.6

Lexicon Your Phase 1 scope is a good fit for a clean R3F architecture: one lightweight 3D runtime for exploration/physics, with React handling the inventory and JSON-driven puzzle UI outside the canvas. I would build the floating-island scene with React Three Fiber and Rapier, then implement a shared character/controller layer for WASD/mouse and mobile joystick/touch. Collectible word objects would update a small inventory state, while NPC interaction would open the 2D React puzzle overlay using the JSON structure provided by your parent application. I would keep the MVP deliberately lean for mobile performance: low-poly assets, controlled physics bodies, limited real-time effects and clear separation between scene state and UI state. I can start immediately after award.
$750 USD in 14 days
5.5
5.5

Lexicon I’ve built several React Three Fiber projects focused on smooth performance across devices, including one for an educational client where we used simple, low-poly environments and custom physics to keep frame rates high on mobile. For your floating sky island MVP, I will prioritize: - Responsive R3F canvas with adaptive resolution for mobile/desktop - Lightweight Rapier 3D physics with stable collision for floors and crates - Fluid 3D character controls that switch seamlessly between WASD/mouse and touch/joystick - A plug-and-play inventory system with glowing 3D pickups - React UI overlays triggered by proximity to NPCs, driven by your JSON data - Puzzle logic that dynamically builds drag-and-drop sentence construction interfaces based on that same JSON I’m assuming your JSON format includes clear event hooks for interactions—will you need help setting up efficient state syncing between 3D and React UI? Also, should the physics engine handle only simple collisions or prepare for future expansions like moving platforms? This scope fits well with projects I’ve delivered quickly by focusing strictly on core UX and performance. Ready to start implementing your spec and deliver a solid Phase 1 MVP. Please share the JSON structure and any initial 3D assets to jump in straight away.
$250 USD in 7 days
5.3
5.3

⚠️ If you're not happy, you don’t pay. ⚠️ Hi, Thank you for checking my proposal and sharing the detailed project brief. I can build your MVP using React Three Fiber, with a sleek, mobile-optimized design. I will deliver: • A responsive React Three Fiber canvas for both mobile and desktop • A floating sky island level featuring basic Rapier 3D physics • A fully functional 3D character controller (WASD/Mouse and virtual joystick) • A basic inventory system for collecting 3D glowing "word" items • An interaction system to trigger 2D React UI overlays with NPCs • A logic system utilizing your provided JSON to create interactive puzzles You will also receive: • Detailed documentation for future reference • Ongoing support as the project develops I am confident I can execute your vision professionally and efficiently. Looking forward to discussing timeline and next steps. Best regards, Chirag Pipal
$400 USD in 7 days
4.8
4.8

Hi, Lexicon. The main challenge here is balancing visual fidelity with mobile performance—low-poly is the right call, but you'll want to be careful about draw calls, texture atlasing, and physics body count to keep 60fps on mid-range devices. I've built a few R3F projects where this became the bottleneck early on. I've worked on interactive 3D web experiences using React Three Fiber and Rapier, including character controllers, inventory systems, and JSON-driven UI overlays that respond to game state. Most recently I built a platform where users could explore 3D environments and trigger contextual 2D React components based on proximity checks and interactions. For the MVP, I'd set up the canvas with optimized lighting and shadow maps, build the character controller with raycasting for ground detection, wire the inventory to track collected items, and create a simple interaction system that reads your JSON to spawn UI puzzles. Physics bodies would be minimal—just the floor and interactive objects. The virtual joystick would use touch events and map to the same movement logic as WASD. I have R3F projects in my portfolio that show this kind of work. The main unknown is the exact art pipeline—whether you're providing models or if I need to handle any mesh prep. Happy to discuss timeline and rate once we align on that. Thanks, Lazar.
$250 USD in 2 days
4.7
4.7

In your quest to bring Questlish to life, ensure that you've got someone like me in your corner. My name is Sumit, and I specialize in a range of skills that echo the varying needs for your project—a true one-stop shop! As an engineer with an eye for visuals and a flair for 3D design, I offer unique versatility that truly enhances the end-user experience. I do realize my profile here is for relatively non-complex 3D tasks like architecture and engineering drawings, however, this only speaks to my agility and adaptability - crucial traits in modern-day software development industry. With my fluent grasp on gaming psychology and mechanics, I can assure you that your MVP will not just be pulpy hollow vessel but a rich, immersive learning experience. My past works hint at evidence of this; though these are not explicitly gaming projects as per your requirements. Best Regards Sumit Kumar
$250 USD in 1 day
5.2
5.2

Hi, I noticed that you're working on Questlish, a 3D educational RPG aimed at helping ESL students learn English. This is an exciting project, and I'm impressed by your complete Game Design & Technical Specification. With my expertise in React.js and extensive experience in building interactive 3D applications using React Three Fiber (R3F), I can efficiently bring your MVP to life. My focus will be on creating a responsive engine that handles 3D exploration and UI-based puzzle mechanics seamlessly, ensuring a smooth learning experience for your users. Could you share more about the specific mechanics or features you'd like prioritized in Phase 1? This will help me align my development approach to your goals effectively.
$250 USD in 7 days
4.8
4.8

Hello, I checked your project "Seeking React Three Fiber (R3F) Developer for 3D Web RPG MVP (Clear Spec Provided)" and already have a clear understanding of your requirements and how to deliver them efficiently. I have solid experience in React.js, Web Development, and I've successfully completed similar projects by delivering high-quality, scalable, and reliable solutions. Why choose me? * Strong expertise in React.js, Web Development * Clean, optimized, and scalable implementation * Fast communication and regular progress updates * Focused on delivering results, not just completing the task I'm ready to start immediately and would be happy to discuss the details. Best regards, Umer
$250 USD in 1 day
4.3
4.3

Hi there, Lexicon , your MVP scope is clear, and I can help turn the React Three Fiber frontend into a responsive, mobile-friendly 3D RPG engine with Rapier physics, a 3D character controller, inventory collection, NPC interaction, and JSON-driven puzzle UI exactly as specified. I have strong expertise in Web Development and Frontend Development for interactive browser experiences, and I’ll wire the R3F canvas, optimize the low-poly scene for performance, implement touch/joystick input, and connect the React UI overlays to your CMS-provided data model. Best regards, Ian
$555 USD in 6 days
4.3
4.3

Lexicon Hello, I reviewed your project for the React Three Fiber 3D educational RPG MVP. I will build the responsive R3F engine with Rapier physics, low-poly sky island, desktop and mobile controls, inventory, NPC interactions, and JSON-driven puzzle UI. The final result will deliver a smooth mobile-ready MVP matching your finalized specification and ready for future game expansion. Best Regards Sara
$600 USD in 5 days
3.9
3.9

The physics integration is usually the point where this sort of thing gets tricky, so I'd start there. I'd build out the Rapier 3D world and make sure collisions are solid on both desktop and mobile inputs before touching the character controller. I’d use React Three Fiber and set up the responsive canvas first, so the rest of the world builds into that. For the character controller, I'd build a WASD/mouse version for desktop first using React Three Fiber's event system, and then layer in the virtual joystick logic for mobile, testing on a mobile emulator as I go. I'd assume the stylized, low-poly assets will be provided as glTF files, so I would focus on getting those loaded and rendered efficiently within the React Three Fiber scene. The brief leaves the exact shape of the UI-based puzzle mechanics open. I'd assume these will be standard React components that interact with the R3F scene via direct manipulation or state updates. 8 reviews on here, everything delivered on time and on the agreed price so far, plus Preferred Freelancer status. I would finish setting up the R3F canvas, the basic sky island environment with Rapier 3D physics for the floor and crates, and the WASD/mouse character controller on day one.
$566 USD in 21 days
3.7
3.7

Set up the React Three Fiber architecture with a clean component structure so the 3D engine can receive JSON props directly from Questlish without backend or AI dependencies. Build the floating sky-island environment with Rapier colliders, floor geometry, crates, lighting, camera handling, and performance-conscious low-poly rendering. Implement the player controller with WASD/mouse controls on desktop and a responsive virtual joystick/touch system on mobile, including movement, camera behavior, collision, and interaction range. Create the inventory and collectible system for glowing 3D word items, ensuring collected words remain synchronized with React state and are available to the puzzle UI. Build the NPC interaction flow so approaching an NPC opens a 2D React overlay without disrupting the 3D scene. Implement the JSON-driven puzzle renderer, including drag-and-drop sentence construction, validation, reset/complete states, and reusable puzzle components. Test desktop/mobile responsiveness, physics edge cases, touch controls, rendering performance, and JSON variations before delivery.
$500 USD in 7 days
3.4
3.4

Hello Dear! Good Day! Hope you are doing fine. This is Ruhul Ajom Sagor. I am an expert "Web Developer" with 10+ years of working experience in PHP, HTML5, CSS3, JavaScript, jQuery, Bootstrap, MySql and different Frameworks. I have completed my B.S.C Engineering in Computer Science and Engineering (CSE) from BUET. Hire me and you don't have to worry about your website problems again! I'll add value to your projects by creating astonishing designs and code with high impact and optimized user interaction that leads to bigger conversions. WHAT PROBLEMS CAN I HELP YOU SOLVE? • Custom Websites Using PHP and Frameworks • e-Commerce Websites (Woo-Commerce and Shopify) • Custom WordPress themes • On-Page and Off-Page SEO • WordPress themes Customization • Database Modeling/Development • WordPress migrations and upgrades • Responsive Coding (Make your website compatible with: smartphones, tablets, desktops) • Websites speed and loading time improvements • Cross-browser compatibility • PSD to HTML to WordPress conversion • HTML5/CSS3/jQuery websites based on Bootstrap I love challenges, talking to my clients, and meeting others’ standards as well as expectations. I will be discussing everything in detail, giving my full advice and delivering through best of my skills. You are cordially welcome to discuss your project. Thank You! Best Regards, Ruhul Ajom
$250 USD in 3 days
3.1
3.1

Dear Client, I read "Seeking React Three Fiber (R3F) Developer for 3D Web RPG MVP (Clear Spec Provided)" carefully and understand you are looking for a full-stack developer who can handle both application development and AI integration. I have experience with React.js, Web Development, Frontend Development and can work across the complete stack — frontend, backend, APIs, databases, authentication, third-party integrations and AI features. I can build scalable applications using modern technologies while keeping the codebase maintainable and production-ready. A few quick questions: Which AI models/APIs are you currently planning to use? Is there an existing application/codebase, or will the project be built from scratch? Thanks & Regards, Deepak
$488 USD in 14 days
3.3
3.3

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