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Project Overview We are looking for an experienced Mobile Game Developer (or small studio) to create a mobile puzzle game inspired by popular screw-and-nut sorting games like Screw Puzzle: Nuts & Bolts. The game will require 2D physics interaction, level design architecture, social features, and backend integration for cross-device synchronization. Scope of Work & Core Features 1. Core Gameplay Mechanics Physics-based 2D screw, bolt, and metal plate puzzle mechanics. Interactive board clearing logic (removing screws in correct sequence to drop plates). Level system with progressive difficulty. Interactive tutorial for first-time players. Haptic Feedback: Tactile vibration responses for unscrewing, fitting, winning, and failing. Technical Requirements Game Engine: Unity (C# preferred) for cross-platform deployment (iOS & Android). Code Quality: Clean, modular code structure allowing easy level updates and maintenance. Deliverables Level creation tool/system or clear documentation on adding new levels.
Project ID: 40688645
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45 freelancers are bidding on average $202 USD for this job

Hi, This is a great fit for our mobile development capabilities. We can build your screw-and-nut puzzle game in Unity using C#, with a strong focus on realistic 2D physics and smooth gameplay on both iOS and Android. Our approach would include: • Physics-based screw, bolt and metal plate interactions • Correct screw-removal and plate-drop mechanics • Progressive levels with increasing difficulty • Interactive tutorial for new players • Haptic feedback for key gameplay actions • Clean and modular Unity/C# architecture • Scalable level system for easily adding new puzzles • Player progress and cross-device synchronization • Backend integration and required social features • Performance optimization for mobile devices We’ll structure the gameplay and level architecture so that adding hundreds of new levels later is straightforward rather than requiring changes to the core system. We can take care of the development, testing, optimization and deployment process. Before starting, we can also define the MVP, gameplay rules, backend requirements and level structure to keep development efficient. I’d be happy to share our relevant work and discuss the timeline and budget based on the final scope. Looking forward to building this with you.
$100 USD in 7 days
7.7
7.7

Hello, We understand you’re looking to build a Unity-based screw, nuts & bolts puzzle game for iOS and Android, with engaging physics mechanics and a scalable level system. Our team can develop: 2D physics-based screw, bolt and metal plate mechanics Sequence-based board clearing and win/lose logic Progressive levels with increasing difficulty Interactive first-time tutorial Haptic feedback for key gameplay actions Clean, modular Unity/C# architecture Scalable level creation/editing system iOS & Android builds with performance optimization We’ll focus on smooth physics, responsive controls, polished gameplay and an architecture that makes adding hundreds of new levels straightforward. Our 17+ years experienced development team can handle the complete game development cycle, including testing, optimization and final source-code handover. Please share any reference game/video or preferred visual style, and we can discuss the gameplay approach, timeline and fixed budget. Warm Regards, Deepika Sharma
$250 USD in 22 days
5.6
5.6

With almost a decade of experience in game design and development, I firmly believe that I offer what it takes to transform your idea into an engaging and addictive mobile puzzle game. I have a deep understanding of how to implement 2D physics mechanics, construct interactive levels with progressive difficulty, and incorporate effective tutorials. Moreover, my familiarity with the Screw Puzzle style gameplay will give me a head start on designing the core mechanics of your game. You'll find my skills in Unity (with C#) to be extremely valuable for cross-platform deployment, ensuring your game reaches both iOS and Android users seamlessly. The clean and modular code structure I prioritize will also aid any subsequent level updates or maintenance with ease. Furthermore, my proficiency in using haptic feedback adds an extra dimension to user-experience, making every interaction feel rewarding. Lastly, as someone who values efficiency without compromising quality, I can assure you robust and scalable solutions in line with your vision. My track record for delivering projects on time and within budget further demonstrates my reliability as a developer. Let's create a top-tier mobile screw puzzle game together!
$480 USD in 7 days
5.2
5.2

Your project for a mobile screw puzzle game immediately brings to mind the intricate physics-based challenges and satisfying progression found in titles like "Screw Puzzle: Nuts & Bolts." My background in C# programming and game development, particularly within the mobile space, aligns perfectly with the core requirements of creating engaging, physics-driven puzzle mechanics and a robust level system. My technical approach would leverage Unity with C# for the game engine. I'd focus on implementing precise 2D physics simulations for the screws, bolts, and plates, ensuring responsive and intuitive player interaction. The level design architecture would be built with a modular system, allowing for efficient creation and management of progressive difficulty. For social features and backend integration, I would focus on implementing the necessary C# logic for data synchronization, while acknowledging that specific backend technologies would be determined based on your existing infrastructure or preferred solutions. How do you envision the progression of difficulty beyond simply adding more screws and plates? Given the need for cross-device synchronization, what are your primary considerations regarding data storage and security? I'm eager to discuss how my C# and game development expertise can bring your screw puzzle vision to life.
$250 USD in 21 days
4.2
4.2

As an experienced Mobile Game Developer with deep expertise in C# Programming and Mobile App Development, I'm confident that my skills align perfectly with your project needs. Throughout my career, I've consistently demonstrated the ability to transform complex requirements into clean, efficient systems designed for long-term success. My experience in web, mobile, and software development - especially in Unity - uniquely equips me to create the immersive, engaging gameplay you're seeking for this screw puzzle game. Furthermore, my expertise in backend integration ensures a seamless user experience across devices. Most importantly, I bring a results-driven approach to every project, focusing on your business needs and goals. By choosing me for this project, you can trust that you'll receive not just a game but a robust solution that can scale with your company's growth. Let's build something incredible together!
$50 USD in 3 days
4.2
4.2

As a skilled and seasoned Mobile App Developer with a major focus on game development, I believe I'm the perfect fit to bring your mobile puzzle game to life. With over 6 years of experience and a strong command of clean, modular code structure in platforms like Unity (C# preferred), I can meet all your technical requirements. Not only do I understand the physics-based 2D interactions your game needs, but I've also developed games with similar mechanic elements. Additionally, my expertise in interactive tutorial design will ensure new players have an easy time navigating through the gameplay. To further enhance the game, I'm well versed in creating haptic feedback that would give users a great tactile experience as they interact with the screws and bolts, fitting everything into place.
$30 USD in 3 days
3.6
3.6

Bid Proposal for Mobile Screw Puzzle Game Development Hi there! I'm Karthik, a seasoned mobile game developer with over 15 years of experience in creating engaging and innovative games. I specialize in physics-based gameplay and have a strong background in Unity (C#), which perfectly aligns with your project requirements. I can develop a captivating screw puzzle game featuring: - Core mechanics for screw, bolt, and plate interactions. - An interactive level design with progressive difficulty. - A robust tutorial for new players. - Haptic feedback for an immersive experience. I will ensure clean, modular code for easy updates and maintenance, along with a level creation tool or comprehensive documentation for future expansions. I’m excited about the opportunity to bring your vision to life! My bid is $200, and I’m ready to start immediately. Let’s connect to discuss your ideas further! Best, Karthik
$200 USD in 7 days
3.8
3.8

Are you seeking a dedicated studio that masterfully bridges traditional community values with highly modern interactive digital experiences? Our full-stack development studio, led by Farhat, specializes in this exact intersection. We understand you have a unique dual vision encompassing an engaging mobile puzzle game—inspired by screw-and-nut mechanics—and a supportive web presence. We offer a true 'team advantage': rather than one freelancer rushing the job, our dedicated UI/UX designer will carefully craft the traditional, culturally respectful aesthetics using Figma and Photoshop, while our frontend developer builds a clean, mobile-responsive HTML/CSS/JS architecture addressing your specific page requirements (Home, About, Temple Committee, Events, Contact). We will ensure this web foundation is fully optimized for static site SEO. Simultaneously, Farhat will spearhead the Unity (C#) game development. Having recently built complex physics and DOTween-driven sorting puzzle mechanics, he will architect the 2D board clearing logic, progressive difficulty systems, and crucial haptic feedback. We guarantee clean, modular code alongside a comprehensive level creation tool. Let’s schedule a chat so we can share relevant portfolio examples and deeply discuss your cultural design vision!
$150 USD in 7 days
2.3
2.3

Hi there I can develop your mobile screw puzzle game in Unity with smooth mechanics, polished gameplay, responsive controls, and optimized performance for mobile devices. I have 20 years of software development experience . My approach 1. Core Puzzle Mechanics Implement screw, bolt, nut, board, hole, and obstacle interactions with accurate puzzle logic 2. Level Development Create engaging levels with progressive difficulty, different puzzle layouts, and proper win/lose conditions 3. Game UI Build the main menu, level selection, gameplay screen, pause/settings, rewards, and other required interfaces 4. Animations & Audio Add smooth object movements, screw interactions, transitions, sound effects, and visual feedback 5. Monetization & Progress Integrate ads, rewards, hints, coins, lives, or in-app purchases if required 6. Testing & Optimization Test the game across supported Android/iOS devices, optimize performance, fix gameplay issues, and prepare release builds I have worked with Unity, mobile development, game logic, APIs, and performance optimization, with a focus on creating stable and maintainable applications. Quick questions to get started 1. Do you have a reference game or specific gameplay you want to replicate? 2. Do you already have the 2D/3D game assets? 3. How many levels are required in the first version? 4. Should the game include ads, coins, hints, lives, and in-app purchases? 5. Do you need Android only or both Android and iOS? Thanks
$130 USD in 7 days
2.7
2.7

Greetings I understand you need a mobile puzzle game inspired by screw-and-nut mechanics, and we have successfully completed similar projects. My team can create engaging 2D physics interactions, intuitive level design, and seamless backend integration to ensure a smooth user experience across devices. Our focus will be on delivering a progressive difficulty system and interactive tutorials, alongside haptic feedback to enhance gameplay. I bring experience in Unity development and clean, modular code practices, ensuring easy updates and maintenance for your game. I would love to chat about your project and suggest a follow-up discussion to explore how we can bring your vision to life. Regards, Nabeel Ismail
$100 USD in 7 days
0.6
0.6

Hello, I’ve gone through your project details carefully, and I must say it sounds really interesting. I’d love to bring my experience to make it a success. With over 10 years of hands-on experience in web, mobile, and software development, I’ve had the privilege of working with clients from around the world — delivering 1000+ successful projects so far. My team and I are comfortable working with technologies like MEAN, MERN, Flutter, React Native, PHP, Laravel, Python, WordPress, Shopify, AI, Blockchain, CRM, CMS, and more. What truly drives me is solving complex challenges and transforming ideas into reliable, user-friendly products. I always aim for clear communication, transparency, and results that make clients feel confident they chose the right partner. You can review my portfolio here: https://www.freelancer.in/u/NareshJoshiTech I’d really appreciate the chance to discuss your project in detail and explore how we can create something great together. Looking forward to hearing from you. Warm regards, Naresh Joshi
$140 USD in 7 days
0.2
0.2

As an experienced full-stack developer specializing in mobile app development, I bring the perfect blend of technical skills and strategic thinking that your project requires. My extensive experience with Android development, combined with my expertise in game design within Unity, makes me an ideal candidate for this screw puzzle game project. One of the standout aspects of my profile is my focus on clean, modular code structure that will allow for easy updates and maintenance going forward. This will not only save you time and resources but also ensure your game remains scalable even as it potentially expands into new levels or features. Additionally, my proficiency in C# – the preferred language for Unity engine – is definitely a bonus that can guarantee a smoother cross-platform deployment. Moreover, the success of any project hinges on a good partnership, and I believe in cultivating a collaborative relationship with my clients. I will provide clear, precise documentation on every aspect of the project deliverables and am open to working closely with you whenever needed to ensure we’re always aligned according to your vision. Let's leverage technology to create an engaging game that not only challenges players but also provides an enjoyable and immersive experience!
$120 USD in 2 days
0.0
0.0

Hi, I’d love to develop your screw-and-nut puzzle game in **Unity/C#** for both iOS and Android. I can build the core 2D physics system with realistic screw, bolt, and metal-plate interactions, sequence-based board clearing, progressive level difficulty, and a smooth first-time tutorial. I’ll also implement responsive touch controls, haptic feedback for key actions, polished 2D effects/animations, and a modular level architecture designed for easy expansion. The code will be clean and organized so new mechanics and levels can be added without major rewrites. For the level system, I can provide either a **custom level creation tool inside Unity** or clear documentation and reusable templates for quickly creating new levels. I can also structure the project to support the planned social features, backend integration, and cross-device synchronization in later milestones. I’m ready to review your reference gameplay, art direction, and required social/backend features and propose a milestone-based development plan with timeline and cost.
$120 USD in 7 days
0.0
0.0

The most common failure point on games like this is making the physics feel right so the screws don't clip through plates or get stuck in weird ways, also making sure the level sequence logic plays out smoothly. I will build this using Unity and C#, so the physics will be handled by Unity's built-in 2D physics engine, adjusting gravity and friction values for each level type, also using configurable joint components to manage screw movement and plate interaction. The level design architecture will be a data-driven system, so each level is defined by a JSON file specifying the starting arrangement of screws, plates, and their constraints, which also allows for easy addition of new levels later. The interactive tutorial will be implemented using Unity's UI system and a state machine to guide players through the initial mechanics, providing visual cues and haptic feedback for each step. Social features and backend integration for cross-device synchronization are needed. I will integrate with a service like Firebase for user authentication and data storage, handling player progress and allowing synchronization across devices. I am a Preferred Freelancer on Freelancer with a 5.0 rating, 100% on time and 100% on budget. One question I have is about the complexity of the screw and plate shapes; will these be simple geometric forms or more complex, irregular shapes that require more specific collision detection? I will need the exact specifications for the core screw and plate assets so I can begin modeling and implementing the physics. Once I have those, I will send back a preliminary project roadmap with estimated timelines for each major feature.
$245 USD in 21 days
0.0
0.0

You want a polished screw-puzzle mobile game built in Unity, shipped on iOS and Android, with solid physics, progressive levels, social features, and a backend sync layer. Here's my plan: Unity 2D with Rigidbody2D and custom joint logic for authentic screw/plate physics. Level data stored as ScriptableObjects for clean separation, making a level editor straightforward to build or document. Backend via PlayFab or Firebase for cross-device sync and social hooks. Haptic feedback handled through Unity's Handheld API plus platform-specific wrappers. Delivery breakdown: Week 1-2 core physics prototype, Week 3-4 level architecture and editor tooling, Week 5-6 social/backend integration, Week 7-8 polish, QA, and store submission prep. I've shipped multiple Unity puzzle games on both platforms, written modular C# systems designed for non-developer level updates, and integrated Firebase sync in live titles. Estimated timeline: 8 weeks. Budget flexible based on level count and backend complexity. Quick question: do you have existing level designs or concept art ready, or does scope include designing the full level progression from scratch?
$193.89 USD in 7 days
0.0
0.0

GIVE ME 30 SECONDS BEFORE YOU DECIDE WHO TO HIRE. I’ve worked on mobile game projects involving Unity, C#, physics-based interactions and structured level systems, focusing on smooth gameplay and maintainable code. For your screw-and-nut puzzle game, I understand the priority is making the physics feel satisfying while keeping the difficulty progression engaging. I’d build the core screw, bolt and plate mechanics with modular level architecture, interactive tutorials and responsive haptic feedback, ensuring new levels can be added efficiently. I’ll handle the Unity development for iOS and Android, keeping the code clean, scalable and optimized for performance. I’ll share relevant game examples directly in the chat and can discuss the best development approach for your game. The difference between an average result and an exceptional one is usually decided before the work even begins. Regards, Enrique
$140 USD in 7 days
0.0
0.0

Hi, I like this project because screw puzzles look simple on the surface, but the physics and removal sequence are what make the game feel satisfying rather than frustrating. I’d build the core in Unity/C#, using 2D physics with modular screw/plate components and a clean board-state system so new levels can be added without changing gameplay code. I’d also handle haptics, tutorial flow, progressive difficulty and optimized iOS/Android builds. I’ve worked with Unity physics, interactive puzzle mechanics and mobile game architecture, focusing on stable touch interaction and smooth performance. One recommendation: build a reusable level editor/data structure from day one—this will make creating hundreds of levels much faster and safer than hardcoding them. I can handle the core development and provide clear documentation for level creation.
$140 USD in 7 days
0.0
0.0

Hello, I think the key challenge here isn’t simply recreating a screw-and-nut puzzle - it’s making the 2D physics, screw-removal sequence, plate-clearing logic, and progressive levels feel reliable and satisfying on both iOS and Android. I’d build the game in Unity/C# with a modular architecture so the core screw/bolt/plate interactions are deterministic, responsive, and easy to expand without rewriting gameplay logic. The level system would be data-driven, allowing new puzzles to be created through a dedicated level tool or straightforward editor workflow. My approach would include: * Physics-based screw, bolt, and metal plate interactions with stable collision/constraint handling * Board-clearing logic that validates screw order and triggers plate drops correctly * Progressive difficulty + interactive first-time tutorial * Haptic feedback mapped to unscrewing, fitting, success, and failure states * Backend integration designed around reliable cross-device progress synchronization * Modular level architecture so your team can continuously add content I’d also prioritize edge cases around physics instability, incorrect screw sequences, device performance, and save-state conflicts early rather than treating them as polish. If you can share 1–2 reference levels or a short gameplay video, I can outline the recommended Unity architecture and implementation plan before development starts.
$140 USD in 7 days
0.0
0.0

Hi, I can develop your Unity-based screw-and-nut puzzle game for iOS and Android, with physics-driven interactions, progressive levels, polished feedback, and a modular architecture for ongoing content updates. What I’ll deliver: * 2D physics-based screws, bolts & metal plates * Correct-sequence board clearing mechanics * Progressive level system with difficulty scaling * Interactive first-time tutorial * Haptic feedback for key interactions * Clean, modular Unity C# architecture * Reusable level creation system/tools * Responsive mobile UI and game flow * Cross-platform Android & iOS builds * Documentation for adding new levels I’ll focus on smooth physics, satisfying interactions, and a codebase that makes it easy to create and release new puzzle levels without rewriting the core mechanics. I can start immediately and build the initial playable prototype first, then expand the level system and polish the experience. Best regards, Reno
$30 USD in 3 days
0.0
0.0

Hi, I’m an experienced Unity/C# developer with strong expertise in mobile game development and physics-based gameplay. I can build your screw & bolt puzzle game for both iOS and Android with: • 2D physics-based screw/plate mechanics • Progressive level system & level editor/tool • Interactive tutorial • Haptic feedback and polished interactions • Clean, modular, scalable Unity/C# architecture • Backend integration for cross-device progress sync I can deliver a smooth, optimized, and maintainable game with clear documentation for adding new levels. I’m ready to discuss the gameplay flow and start immediately. Regards
$100 USD in 6 days
0.0
0.0

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$30-250 USD
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₹12500-37500 INR