Hire the Best Buildbox Video Game Developers

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Based on 167 client reviews
Quoc Tam L.

Ho Chi Minh City, Vietnam

$5/hr
5.0
11 jobs

Unity Developer specializing in building polished 2D/3D gameplay systems with C# and Unity. Strong experience developing core game mechanics, UI/UX systems, animation (Mecanim & Rigging), and multiplayer features using Unity Netcode. Hands-on with monetization systems including In-App Purchases and Ads Mediation. Worked on multiple complete game projects, from prototyping to release, focusing on clean architecture, maintainable code, and smooth player experience. Comfortable with asynchronous programming, game data persistence, and performance debugging across devices. Fast learner, detail-oriented, and reliable — I focus on delivering stable, scalable solutions that help projects reach completion.

  • Video Game
  • Game
  • Game Design
  • C#
  • Unity
  • Monetization
  • In-App Purchases
Klein B.

São Leopoldo, Brazil

$30/hr
5.0
140 jobs

I’m a Unity Game Developer with 100+ Unity-based games, mobile games, video games, AR/VR applications, and interactive experiences built from scratch for startups, small businesses, and enterprise clients. As a Unity developer, I’ve worked on Game Development, Mobile Game Development, Video Game Software, AR & VR Development, Augmented Reality, Virtual Reality, Photon Unity Networking, and cross-platform projects for iOS, Android, PC, Windows, Steam, and VR devices. 𝙃𝙤𝙬 𝙄 𝘾𝙖𝙣 𝙃𝙚𝙡𝙥 𝙔𝙤𝙪: 1️⃣ Unity Game Development: I build complete Unity games and mobile games with smooth gameplay mechanics, clean scenes, engaging UI, strong performance, and scalable project structure. 2️⃣ Mobile Game Development: I develop mobile games and interactive apps for iOS and Android using Unity and C#, making sure the game runs smoothly across smartphones, tablets, and mobile platforms. 3️⃣ AR/VR Development: I create AR applications, Augmented Reality experiences, Virtual Reality projects, and AR & VR interactive solutions for training, education, entertainment, simulation, and business use. 4️⃣ Online Multiplayer & Photon Unity Networking: I can integrate multiplayer features, real-time gameplay, user systems, matchmaking, and online game functionality using Photon Unity Networking and Unity multiplayer tools. 5️⃣ Bug Fixing, Optimization & Game Improvement: I fix bugs, clean up Unity projects, improve performance, reduce load times, optimize gameplay, and make existing games feel smoother, faster, and more polished. 6️⃣ Game Prototypes & Full Builds: I help turn ideas into playable game prototypes, MVPs, demos, and complete video games ready for testing, pitching, or launch. 𝙆𝙚𝙮 𝘼𝙘𝙝𝙞𝙚𝙫𝙚𝙢𝙚𝙣𝙩𝙨: 🔹 Built 100+ Unity games, mobile games, AR/VR apps, and interactive applications. 🔹 Delivered a Unity mobile game with 50,000+ downloads. 🔹 Improved Unity game performance by up to 40% through debugging and optimization. 🔹 Integrated AR/VR features and Photon Unity Networking multiplayer systems in 20+ projects. 🔹 Built game prototypes that helped startups present their ideas, test gameplay, and attract investor interest. 🔹 Worked with designers, developers, and business teams to deliver polished, scalable Unity projects on time. 𝙀𝙭𝙥𝙚𝙧𝙩𝙞𝙨𝙚: 🔹 Game Engines: Unity, Unity3D, Game Engine, Video Game Software 🔹 Game Development: Game Development, Mobile Game Development, Video Game, Game, Mobile Game 🔹 AR/VR: AR & VR, AR/VR Development, Augmented Reality, Virtual Reality, AR Applications, AR/VR Devices & Platforms 🔹 Multiplayer: Photon Unity Networking, online multiplayer, real-time gameplay systems 🔹 Platforms: iOS, Android, PC, Microsoft Windows, Steam, VR devices, smartphones, tablets 🔹 Tools & Languages: C#, Unity Editor, Visual Studio, Git, debugging tools, asset management 🔹 Services: Bug fixing, performance optimization, game prototypes, gameplay systems, UI, animations, project cleanup, and full Unity development The best way to start is with a free call and a quick review of your Unity game, mobile game, or AR/VR project needs. Send me a message, and I’ll help you figure out the best next step.

  • Video Game
  • Game
  • Unity
  • Mobile Game Development
  • AR & VR
  • Mobile Game
  • Game Development
  • Game Testing
  • PC Game
  • Game Prototype
  • Game Controller
  • Game Mechanics
  • Game Customization
  • AR & VR Applications
  • AR & VR Development
  • Game Engine
  • Photon Unity Networking
  • Augmented Reality
  • AR Application
  • Virtual Reality
Muhammad A.

Lahore Cantt, Pakistan

$30/hr
5.0
135 jobs

𝗨𝗡𝗜𝗧𝗬 | 𝗦𝗪𝗜𝗙𝗧 | 𝗞𝗢𝗧𝗟𝗜𝗡 | 𝗙𝗟𝗨𝗧𝗧𝗘𝗥 | 𝗥𝗘𝗔𝗖𝗧 𝗡𝗔𝗧𝗜𝗩𝗘 | 𝗠𝗢𝗕𝗜𝗟𝗘 𝗔𝗣𝗣 & 𝗚𝗔𝗠𝗘 𝗗𝗘𝗩𝗘𝗟𝗢𝗣𝗘𝗥 𝗦𝗣𝗘𝗖𝗜𝗔𝗟𝗜𝗭𝗜𝗡𝗚 𝗜𝗡 𝗔𝗡𝗗𝗥𝗢𝗜𝗗 & 𝗜𝗢𝗦 𝗔𝗣𝗣𝗦 Rewarded as 🏆 𝗧𝗢𝗣 𝗥𝗔𝗧𝗘𝗗 🏆 by Upwork (𝗧𝗢𝗣 3%) 7,187+ 𝗛𝗢𝗨𝗥𝗦 104+ 𝗝𝗢𝗕𝗦 𝗖𝗢𝗠𝗣𝗟𝗘𝗧𝗘𝗗 𝗦𝗨𝗖𝗖𝗘𝗦𝗦𝗙𝗨𝗟𝗟𝗬 100% 𝗝𝗢𝗕 𝗦𝗨𝗖𝗖𝗘𝗦𝗦 𝗦𝗖𝗢𝗥𝗘 (Client Satisfaction Ratio) 𝗛𝗜𝗚𝗛-𝗤𝗨𝗔𝗟𝗜𝗧𝗬 𝗪𝗢𝗥𝗞 𝗕𝗨𝗗𝗚𝗘𝗧-𝗙𝗥𝗜𝗘𝗡𝗗𝗟𝗬 𝗙𝗟𝗨𝗘𝗡𝗧 𝗘𝗡𝗚𝗟𝗜𝗦𝗛 ⭐⭐ ⭐ ⭐ ⭐ 𝗖𝗟𝗜𝗘𝗡𝗧 𝗥𝗘𝗩𝗜𝗘𝗪 “I worked with Muhammad Ali for many years. I highly recommend working with him. He is well organized, highly efficient, follows instructions carefully, and produces excellent results. If he doesn’t know something, he will find a way to solve it. In fact, there was no task he could not complete. It was always a pleasure to work with him. He has a positive and professional attitude toward the projects.” I'm a Top-Rated Mobile App and Game Developer with 15+ years of experience building and optimizing mobile, PC, and web games. I help clients create high-quality 2D and 3D games for iOS, Android, PC, and Web, with a strong focus on performance optimization, bug fixing, feature development, smooth gameplay, and polished delivery. My expertise includes Unity game development, where I work on gameplay systems, game mechanics, UI, optimization, lighting, shading, monetization, backend integrations, and release support. I also have solid experience in iOS development and Android development for app and game projects. I am known for: • Fast execution • Clear communication • Strong problem-solving • Reliable delivery • High-quality results I treat every client's project like my own and always focus on building stable, scalable, and successful products. I have successfully delivered apps and games that Apple has featured. My services include: • Unity Game Development • 2D Game Development • 3D Game Development • Mobile Game Development • PC Game Development • Web Game Development • Game Optimization • Performance Optimization • Bug Fixing • Feature Development • C# Scripting • Gameplay Systems • UI Implementation • Lighting and Shading • Batching and Draw Call Optimization • Firebase Integration • PlayFab Integration • Photon Multiplayer Integration • AWS Integration • Monetization SDK Integration • I2 Localization • Google Maps Integration • Git Version Control Additional technical skills: • iOS Development — Swift, Objective-C • Android Development — Java, Kotlin • Unity 2D / Unity 3D • Cocos2d / Cocos2d-x • WordPress • Jira, Asana, Trello, Wrike 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀: * Flutter Developer * Flutter App Developer * Flutter Mobile App Developer * React Native Mobile App, Developer * Android App Developer * iOS App Developer * iPhone App Developer * Mobile App Developer * Senior Mobile App Developer * Mobile Developer * Hybrid App Developer * Cross-Platform Mobile Developer * Cross-Platform App Development * Mobile App Development * Android Mobile App Development * iOS Mobile App Development * React Native Mobile App Development * Flutter Mobile App Development * Mobile App Redesign * Mobile App Builder AI Mobile App Development: * AI Mobile App Developer * AI App Developer * AI App Development * Artificial Intelligence App Development * AI Solutions for Mobile Apps * Machine Learning App Integration * AI Integration for Mobile Apps Backend, Firebase & API Integration: * Firebase App Developer * Flutter Firebase App Developer * Flutter Mobile App with Firebase * API Integration for Flutter Apps * Flutter Laravel App Development * Backend Integration for Mobile Apps * Third-Party API Integration Industry-Specific App Development: * Dating App Development * Dating Mobile App Development * Food Delivery Mobile App Development * Education App Development * Salon Booking Mobile App Development * Chat Mobile App Development * Chat Buddy Mobile App Development Flutter-Specific Services: * Flutter Developer * Flutter Mobile App * Flutter Mobile App Dart * Flutter Mobile App Firebase * Flutter Laravel * Flutter App Development * Flutter UI Development * Flutter Bug Fixing * Flutter App Optimization If you are looking for a reliable Mobile App Development, Unity developer, mobile game developer, or game optimization expert who can build, improve, and deliver quality work on time, I'd be happy to help.

  • Hybrid App Development
  • C++
  • Flutter
  • iOS Development
  • Android App Development
  • Game Development
  • Game Design
  • Unity
  • Game Consultation
  • Game Customization
  • Game Art
  • Game Mechanics
  • Game UI/UX Design
  • Game Development Bug Fix
  • Game Design Document
Muhammad H.

Rawalpindi, Pakistan

$20/hr
5.0
58 jobs

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.

  • Game
  • C#
  • Unity
  • Game Engine
  • Mobile Game
  • Augmented Reality
  • Game Design
  • Photon Unity Networking
  • Game Development
  • Gaming NFT
  • Game Art
  • Multiplayer
  • WebGL
  • Virtual Reality Game
  • Augmented Reality Device
Mubashir A.

Dera Ismail Khan, Pakistan

$15/hr
5.0
18 jobs

🎮 Unity Game Developer | Multiplayer | Mobile, Steam & WebGL Games | C# | Firebase | AR/VR Looking for a Unity developer who can build a polished, optimized, and production-ready game instead of just writing code? You're in the right place. I'm a Top Rated Unity Game Developer with 3+ years of experience in Unity Game Development, helping startups, indie studios, and businesses build engaging games for Mobile, Steam, and WebGL platforms. I have successfully completed 17 Upwork projects with 100% Job Success and developed published Unity games that achieved 50K+ and 25K+ Google Play downloads. I help startups, indie studios, agencies, and businesses transform game ideas into engaging, high-performance experiences using clean architecture, scalable systems, and maintainable C# code. 🎯 My Expertise • Full-cycle Unity 2D & 3D Game Development • Mobile Game Development (Android & iOS) • Steam & PC Game Development • WebGL Game Development & Optimization • AR/VR Experiences • Gameplay Systems & Core Mechanics • AI, NPC Behavior & Enemy Systems • Inventory, Save & Progression Systems • Photon Fusion Multiplayer • Firebase Integration • Ads & In-App Purchases (IAP) • Performance Optimization & Bug Fixing • Clean, Modular C# Programming 🎯 Why Clients Choose Me ✅ Top Rated Freelancer ✅ 100% Job Success ✅ 17 Successfully Completed Upwork Projects ✅ Published Games on Google Play, Steam & WebGL ✅ Strong Experience in Unity Game Development ✅ Clean, Scalable & Maintainable C# Code ✅ Fast Communication & Regular Progress Updates ✅ Long-Term Support After Delivery I don't just develop Unity games—I build gameplay systems that are stable, optimized, and enjoyable for players while keeping the project easy to maintain and expand. If you're looking for a dependable Unity developer who values quality, communication, and long-term collaboration, I'd love to learn more about your project and help bring it to life. 🎯 𝗪𝗛𝗔𝗧 𝗜 𝗢𝗙𝗙𝗘𝗥 🎮 2D & 3D Game Development: 🌐 WebGL Game Builds: 🧩 Game Design & Level Design: ⚙️ Game Prototyping: 🐞 Bug Fixing & Optimization: 💰 Monetization & Ads Integration: 🔥 Firebase Integration: 💻 C# Scripting: What I Can Build 🎮 Unity 2D & 3D Game Development 📱 Mobile Game Development (Android & iOS) 🖥️ Steam & PC Game Development 🌐 WebGL Game Development 🤝 Photon Fusion Multiplayer Integration 🔥 Firebase Integration 🧠 Game AI, NPC & Enemy Systems 🎒 Inventory, Save & Progression Systems ⚡ Gameplay Programming & Custom Game Systems 💰 Ads, In-App Purchases (IAP) & Monetization 🚀 Performance Optimization & Bug Fixing

  • Game
  • Unity
  • Game Development
  • C#
  • Mobile Game Development
  • Firebase
  • Firebase Cloud Firestore
  • Performance Optimization
  • Photon Unity Networking
  • Game Design
  • Mobile Game
  • Game Prototype
  • Game Development Bug Fix
  • In-Game Advertising
  • Game Level
  • Level Design
  • Firebase Realtime Database
  • Google AdSense API
  • Game Design Document
Amisha S.

Surat, India

$10/hr
5.0
7 jobs

I’m a Unity Game Developer with 3+ years of experience building high-quality 2D/3D, multiplayer, AR/VR, and mobile games using Unity and C#. I specialize in developing scalable gameplay systems, multiplayer features, backend integrations, and optimized cross-platform experiences for Android, iOS, PC, and VR. I have hands-on experience integrating APIs, socket-based systems, Firebase services, authentication systems, ads, analytics, and in-app purchases to create complete production-ready game solutions. My Expertise Includes: 🎮 Unity 2D & 3D Game Development 🌐 Multiplayer Integration (Photon / FishNet / Mirror) 🔌 REST API & Backend Integration 📡 Socket Programming & Real-Time Systems 🥽 AR/VR Development 📱 Mobile Game Optimization 💰 AdMob & In-App Purchase Integration 🔥 Firebase Integration (Auth, Database, Analytics, Notifications) 🔐 Google, Facebook & Apple Login Integration 🧩 UI/UX Systems & Game Flow ⚡ Gameplay Mechanics & Systems 🔧 Bug Fixing & Performance Optimization 🚀 Android, iOS, PC & VR Deployment What You Can Expect: ✔ Clean, scalable, and maintainable C# architecture ✔ Smooth and optimized gameplay performance ✔ Stable multiplayer and backend systems ✔ Professional SDK integrations and monetization setup ✔ Clear communication and regular progress updates ✔ Reliable delivery with attention to quality and detail I’ve worked on casino-style games, simulation games, arcade games, multiplayer projects, and live-service features, always focusing on creating polished and engaging player experiences. I’m passionate about creating games that are not only functional but also enjoyable and engaging for players. Whether you need a full game, gameplay systems, multiplayer features, optimization, or bug fixing, I’m ready to help bring your project to life. Let’s build something great together.

  • Game Development
  • Unity
  • AR & VR
  • Multiplayer
  • Online Multiplayer
  • Photon Unity Networking
  • Metaverse
  • Simulation Game
  • Animation
  • WebGL
  • Google Ads
  • API Integration
  • Meta Quest
  • UI Graphics
  • UI/UX Prototyping
  • Casual Game
  • Mobile Game
  • PlayStation VR
  • Google APIs
  • C#

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