Hire the Best Game Customization Freelancers
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I build high-performance, revenue-ready games for Mobile, PC, and Web . With 5+ years of experience in Unity and C#, I specialize in solving the two biggest headaches for game owners: Laggy Performance and Complex Multiplayer Synchronization across all major platforms. Whether you need a lag-free Multiplayer PC shooter, a highly optimized Mobile casual game, or a seamless WebGL browser experience, I deliver technical solutions that get results. 🛠 My Core Expertise: Multiplayer & Networking: Seamless integration using Photon (PUN2/Fusion), Mirror, or Fish-Net for PC & Mobile. Platform-Specific Optimization: Mobile: 60 FPS on low-end devices, battery-efficient C# scripting. Web (WebGL): Compressed build sizes and memory optimization for browsers. PC: High-end graphics setup, custom shaders, and controller support. Monetization & Ads: Expert integration of AdMob, AppLovin, and Gley (Mediation, Rewarded, Banners). AR/VR Development: Immersive experiences for Meta Quest and mobile AR. 🎮 Genres I’ve Mastered: Racing & Simulation: (Realistic physics, vehicle controllers—like Arctic Fox Sim style). Shooters & Action: (AI, weapon systems, inventory for PC/Mobile). Casual & Web Games: (Word Connect, Puzzles, and instant-play WebGL games). 🎯 Why Clients Work With Me: Cross-Platform Ready: I write scalable code that works across Mobile, Desktop, and Browsers. Clean & Scalable Code: I follow industry standards to ensure your game is easy to update. On-Time Delivery: I respect deadlines and focus on "Time to Market." Have a project that’s stuck or a new idea you want to bring to life? Let's hop on a quick chat to discuss how we can make your game a success on any platform.

Most ideas don't fail because they're bad—they fail because the people building them can't connect all the pieces. That's where I come in. I'm a full-stack creator who builds products at the intersection of AI, games, simulations, and the web. Whether you need an AI-powered application, a custom website, an interactive simulation, or a complete game experience, I can take your project from concept to production. Over the years, I've worked across multiple domains instead of limiting myself to a single niche. That means I can think about the bigger picture: the user experience, the underlying architecture, the business goals, and the technology required to bring everything together. What I can help you build: • AI-powered applications and tools • Modern websites and web platforms • Games and gameplay systems • Interactive simulations and visual experiences • AI agents and automation workflows • Personalized digital products and custom experiences • APIs, backend systems, and integrations • Rapid prototypes and MVPs My workflow combines traditional development with modern AI-assisted tools such as Cursor and Claude Code, allowing me to iterate quickly, experiment with ideas, and deliver production-ready solutions faster. I enjoy working on ambitious projects, whether that's launching a startup MVP, building an internal AI tool, creating a simulation platform, or designing an entirely new interactive experience. I value clear communication, fast iteration, and long-term thinking. If you already have a detailed specification, great. If all you have is a rough idea written on a napkin, that's fine too—we can figure it out together. Let's build something meaningful.

🥇 Game Design & Developer. "Let me say some words about this seller: OUTSTANDING PROFESSIONAL, OUTSTANDING PERSON, and OUTSTANDING EXPERIENCE for me. Delivered as promised and with dedication. 10 Stars from me. Thanks!" - jacksparrow427 They say, "Choose a job you love, and you will never have to work a day in your life." For a passionate gamer, what could be better than designing and developing games? I'm here to bring your ideas to life, guiding them from initial concepts through to final production using a well-structured Game Development Life Cycle (GDLC). With over 10 years of industry experience, I’ve developed a wide range of cross-platform games for PC, Android, iOS, and WebGL. My work has garnered over 10 million downloads on mobile platforms, proving the impact and success of the games I've created. I specialize in both 2D and 3D game development, across various genres, including: 🎮 Platformers and Endless Runners 🃏 Board Games and Card Games (Single Player and Multiplayer) ⚡ Hyper-casual/One-Tap Games 🔫 First-Person and Third-Person Shooters (Single Player and Multiplayer) 🛡️ RPG / Open World Games 🛠️ Simulation Games (Single-player and Multiplayer) 👾 Arcade/Action Games "The seller did an excellent job. He took my concept and made it come to life. Thank you so much!" - Delmetri Whether you have a concept in mind or need help refining your idea, I’m here to turn it into reality. My Services include: 🎨 Game Design & Development 💡 Concept Development 📄 Game Design Documents 🎮 Gameplay & Level Design ⚖️ Balancing & Game Economy 📈 Marketing Strategy 🕹️ Cross-Platform Development 💻 PC 📱 Android & iOS 🌐 WebGL 🌟 Gamification Strategy 🌍 Real-Life Solutions 📢 Awareness & Rehab through VR/AR If you have a query, need consultation, or are unsure of the next steps, feel free to reach out. Let’s collaborate.

Unity Game Developer | Multiplayer (Photon Fusion) | WebGL | Mobile & PC I'm a Unity game developer. I have been in the Unity game development field for more than 10 years now and have developed more than 50 games from scratch, including games of all genres ranging from kid's games to action racing games. I develop unity games for a wide range of platforms, including 𝐦𝐨𝐛𝐢𝐥𝐞𝐬 𝐠𝐚𝐦𝐞𝐬, 𝐏𝐂𝐬 𝐠𝐚𝐦𝐞𝐬, 𝐭𝐚𝐛𝐥𝐞𝐭 𝐠𝐚𝐦𝐞𝐬, 𝐢𝐏𝐚𝐝 𝐠𝐚𝐦𝐞𝐬, 𝐚𝐧𝐝 𝐜𝐨𝐧𝐬𝐨𝐥𝐞 𝐠𝐚𝐦𝐞𝐬 which are compatible with all the engines like 𝐒𝐭𝐞𝐚𝐦, 𝐢𝐎𝐒, WEBGL, 𝐆𝐨𝐨𝐠𝐥𝐞 𝐏𝐥𝐚𝐲 and Console . Customization options are available to match your personal style and preferences. Join me for the ultimate gaming journey. Visit my website to discover portfolio and catch a glimpse of the future of game development. My expertise extends to the following Tools and Technologies in game development: 𝐄𝐱𝐩𝐞𝐫𝐭 𝐆𝐚𝐦𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: • Expert Unity game developer • Expert C++, C# 𝐄𝐱𝐩𝐞𝐫𝐭 𝐆𝐚𝐦𝐞 𝐃𝐞𝐬𝐢𝐠𝐧𝐢𝐧𝐠: • Expert UI/UX • Expert Adobe Photoshop, Blender 𝐅𝐨𝐥𝐥𝐨𝐰𝐢𝐧𝐠 𝐀𝐝 𝐧𝐞𝐭𝐰𝐨𝐫𝐤𝐬 𝐚𝐫𝐞 𝐢𝐦𝐩𝐥𝐞𝐦𝐞𝐧𝐭𝐞𝐝 𝐛𝐮𝐭 𝐧𝐨𝐭 𝐥𝐢𝐦𝐢𝐭𝐞𝐝 𝐭𝐨 𝐚𝐧𝐲 𝐜𝐨𝐧𝐬𝐭𝐫𝐚𝐢𝐧𝐭: • Google Admob (Interstitial, Banners, Static Rewarded Ads, Rewarded Video Ads • Unity Ads (Inersititial, Unity Video Ad) • Facebook ads Integrations • Google Firebase 𝐖𝐞 𝐚𝐥𝐬𝐨 𝐩𝐫𝐨𝐯𝐢𝐝𝐞 𝐬𝐞𝐫𝐯𝐢𝐜𝐞𝐬 𝐟𝐨𝐫 𝐢𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐧𝐠 𝐁𝐥𝐨𝐜𝐤𝐜𝐡𝐚𝐢𝐧 𝐢𝐧 𝐠𝐚𝐦𝐞𝐬: • Wallet authentication • Getting NFTs • Sending transaction • Minting NFTs TYPES OF GAME DEVELOPED BY ME: 1) Arcade Games Development 2) Action Games Development 3) Trivia Games Development 4) Kids Games Development 5) 3D Racing Games Development 6) Endless Games Development 7) Puzzle Games Development 8) Simulation Games Development 9) IO Games Development 10) Word Game Development 11) Shooting Game Development 12) Game development according to your requirement. 🎯 𝗪𝗛𝗔𝗧 𝗜 𝗢𝗙𝗙𝗘𝗥 : 🔹 Custom Game Development: Complete end-to-end development for 2D and 3D games tailored to your needs. 🔹 Game Design: From concept development to gameplay mechanics and level design. 🔹 Multiplayer Setup: Integrate online multiplayer features to connect players worldwide. 🔹 Reskinning Services: Give your existing Unity games a fresh, new feel. 🔹 Game Optimization: Boost performance, fix bugs, and enhance graphics for a smoother experience. 🔹 Monetization Strategies 💰: Implement ads, in-app purchases, and other revenue models to maximize your game's potential. 🔹 Social and Analytics Integration: Firebase integration 🔹 Backend & APIs: Robust server-side solutions with ASP.NET Core, Node.js, or Firebase. 𝗔𝗹𝘄𝗮𝘆𝘀 𝗜𝗻𝗰𝗹𝘂𝗱𝗲𝗱 ✨ Frequent Updates: Stay informed with regular project updates and milestones. ✨ Clear Communication: I prioritize open, honest communication to ensure we're always on the same page. ✨ Post-Delivery Support: I offer continued support even after project completion for any additional needs or tweaks. Why Choose Me? ✔️ Client Satisfaction First, I prioritize delivering real value and earning trust. Your satisfaction isn’t just a goal it’s the standard. ✔️ Going Beyond Expectations, I consistently aim to over-deliver, adding extra polish and effort to every task, not just completing it. ✔️ Clear & Timely Communication, You’ll never be left guessing. I keep you updated, respond quickly, and maintain open, professional communication. ✔️ Proven Track Record, My clients feedbacks reflects the dedication, resilience, and results I bring to every project. ✔ Strong experience with Photon Fusion (multiplayer systems, sync, rejoin logic) ✔ Built and optimized games for WebGL, Android, and PC ✔ Experience across full development cycle: prototype → polish → release 🎯 Key Projects -- Beyond Sleep – Lead Developer on a horror survival game (Play Store) -- Inverta – 3D puzzle game with anti-gravity mechanics (Steam) -- AurealOne Platform – Contributed to 50+ multiplayer WebGL games with matchmaking systems ⚡ What I Focus On -- Multiplayer gameplay & networking -- Performance optimization (especially WebGL issues like shaders, memory, build size) -- Clean, scalable Unity architecture -- Fast debugging and reliable delivery

🕹️ Top-Rated Unity Developer | 3+ Years of Building Gameplay Experiences 🎨🏅 Hi. I'm Nabeel Asad, a Unity Games Developer specializing in gameplay programming, custom mechanics, and complex game systems. I’ve built and extended 30+ Unity projects across Android, PC, macOS, and Windows — from fast-paced 2D games and mobile releases to FPS horror, interactive simulations, custom systems, and commercial Steam projects. Also, officially certified by Unity Technologies 🥇 ★ What I Specialize In: 🎮 Gameplay Programming & Custom Mechanics ⚙️ Game Systems & Core Features 🧩 Prototyping & Development from Scratch 🔧 Existing Project Development & Customization 📱 Android Development & Optimization 💻 PC / Desktop Unity Projects 🐛 Bug Fixing, Testing & Performance Optimization ★ Experience & Portfolio: ✅ 30+ completed Unity projects 🏆 ✅ 1,000+ handcrafted puzzle levels designed 🎯 ✅ 6+ months of level design on a commercial horror project for Steam 👻 ✅ 2 years of QA testing on a commercially released Steam action-roguelike 🛠️ ✅ Multiple Android games published to Google Play 📱 ✅ Windows and macOS Unity applications and prototypes 💻 ✅ 100% Job Success Score on Upwork ⭐ ✅ 5-Star Client Rating & Reviews ✨ ✅ Top-Rated freelancer throughout my active professional freelancing career 🏅 ★ Why Work With Me: ✨ Value-Focused: Practical solutions that add real value. 💬 Responsive: Fast communication and regular updates. 🔍 Problem Solver: Clean solutions to complex challenges. 🤝 Professional: Clear, respectful, and reliable. 💙 Genuinely Invested: I care about the final result. 📩 Have a Unity project in mind? Let's talk 🔥

Unity Game Developer with 5 years of experience. I build multiplayer, VR and mobile games in C# and I ship complete playable builds, not half finished prototypes. AVAILABLE IN YOUR TIME ZONE I work US business hours. You get live overlap for calls, standups and same day answers on Eastern, Central, Mountain and Pacific time, not a reply that lands while you are asleep. If you have been burned by an offshore developer you could never reach, that is the problem I am built to solve. Whether you need a Meta Quest VR experience, a Photon multiplayer game, or a mobile 2D or 3D title that runs smoothly on low end Android devices, I take it from concept to a build you can actually publish. WHAT I BUILD • Multiplayer games and real time systems using Photon PUN and Fusion • VR experiences for Meta Quest using the XR Interaction Toolkit • Mobile 2D and 3D games for Android and iOS, optimized for low end hardware • Complete game loops including core mechanics, progression, upgrade economies, UI and save systems • Fixes and upgrades to existing Unity projects, including performance profiling and new features • AI and LLM integration inside gameplay for dynamic scoring and NPC behaviour SELECTED WORK • VRSim, a multiplayer VR courtroom simulator built on Photon networking with LLM based argument scoring • Cross Fire, a 3D FPS with a complete story mode • Car Crash, a 3D mobile racing game with a full game loop • Jimmy the Runner, a 3D endless runner • Client games delivered through Upwork including a Pac Man style 2D arcade game, a voice command battle game with speech to text and AI driven combat, and an educational quiz game GAME TYPES I SPECIALIZE IN • First person and third person shooters • Multiplayer and co op games • VR simulation and training environments • Mobile hyper casual, endless runner and racing games • Educational and serious games • Prototypes and MVPs for pitching or funding TECH I WORK WITH • Unity & C# • Photon PUN and Fusion • Mirror • XR Interaction Toolkit • Meta Quest SDK • URP, Shader Graph • Cinemachine and Timeline • NavMesh and A* Pathfinding • Scriptable Objects and custom editor tools • Addressables, Unity Profiler • Firebase and PlayFab • Unity Ads and IAP • Blender • Git HOW I WORK We start with a short call to pin down the game idea, the target platform and what success looks like. Before I write a line of code you get a clear scope and milestone plan, so there are no surprises on cost or timeline. I am online and reachable through the US working day, so scheduling a call never takes three days of back and forth. Slack, Discord, Zoom or Google Meet, whichever your team already uses. At every milestone you get a build you can actually play, not a status update. That means you are never guessing about progress and you can redirect the design early instead of after it is expensive. I reply within a few hours and I flag problems as soon as I see them. When the game is done I handle the build settings, store readiness and testing across devices, then walk you through updating content yourself so you are not locked into me for every small change. WHAT CLIENTS SAY "I hired Hammad to develop a Unity project based on a Pac-Man idea, and he delivered outstanding work. He has strong Unity skills, understands game mechanics well, and was professional throughout the project. The final product exceeded my expectations." Verified Upwork client, Australia BACKGROUND Computer Science graduate from FAST NUCES Islamabad, with the Game Design and Development Specialization from Michigan State University and Virtual Reality certifications from the University of London. I am associated with an agency and also available to work with you directly on an independent contract, whichever suits you better. LET'S WORK TOGETHER Send me a message with what you are building and I will give you an honest answer on whether I am the right fit, what it will take, and how long it will run.