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The project centers on building a complete mobile game that runs smoothly on both iOS and Android. I already have a broad concept and artwork references; what I need now is an experienced developer who can turn the idea into a fully playable product, shepherding it from prototype through launch on the App Store and Google Play. Engine & tech stack A single code-base approach such as Unity, Godot, or Unreal Blueprint scripting keeps maintenance light and updates simultaneous for both platforms. Alongside the core engine, you’ll integrate device-specific SDKs for Game Center / Google Play Games, basic analytics, and optional in-app purchase hooks so future monetisation is straightforward. Gameplay scope The exact genre is still open, which gives us room to shape mechanics together during the design sprint. What is fixed is the need for responsive touch controls, lightweight assets that perform well on mid-range phones, and a polished user interface. Key deliverables • Playable prototype demonstrating core loop on iOS & Android test builds • Alpha build with placeholder art, basic UI, and analytics wired in • Beta build featuring final art, sound, and platform services (leaderboards, achievements) • Release candidate submitted to TestFlight and Google’s internal testing track, plus store-ready screenshots • Post-launch support window for hotfixes and crash-log triage Acceptance criteria – Frame rate holds 60 fps on devices comparable to iPhone 11 and Galaxy S10 – No critical or high-priority bugs in the release candidate – Store submissions pass Apple and Google review without rejections tied to the app binary Version control will run through Git or PlasticSCM, and I’ll provide prompt feedback on each sprint. Let me know which engine you prefer and share links to at least one live game you have shipped on both platforms so I can gauge code quality and optimisation skills.
Project ID: 40633136
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88 freelancers are bidding on average $732 SGD for this job

With over 20 years of experience under our belt, my team at Falcon Interactive is the perfect fit for your cross-platform mobile game development project. Our track record speaks for itself with more than 300 games successfully launched across all genres and platforms – we're the experts you need for this task. We are familiar with Unity, Godot, and Unreal Blueprint scripting as per your requirements, allowing fluid collaboration and efficient updates on iOS and Android. To meet your unique gameplay scope, we will provide not only responsive touch controls but also optimize assets to ensure your game performs consistently on mid-range phones without compromising on quality or user interface. Plus, as official Microsoft XBOX developers and well-established engineers in every aspect of software development, we bring a rich background of knowledge to drawing valuable insights during our design sprints. Beyond delivering a polished product that matches your outlined acceptance criteria, we believe in long-lasting partnerships and are committed to providing post-launch support for hotfixes and crash-log triage. So not only can you trust us to diligently meet every aspect of your project's needs from start to finish, but you can also rely on us afterwards for any future concerns. Let's take your great concept out into the gaming world together – choose Falcon Interactive for a superior experience from one gaming market leader to another!
$12,500 SGD in 90 days
9.3
9.3

Hello, I have carefully reviewed your requirements for the cross-platform mobile game and understand the need to take the concept from prototype through production and App Store/Google Play launch. I have 10+ years of experience in mobile and game development, cross-platform applications, performance optimization, SDK integrations, and production deployments. For this project, I would recommend **Unity with C#** for a maintainable single codebase, strong iOS/Android support, efficient mobile performance, and easy integration with Game Center and Google Play Games. I can handle the complete development cycle including gameplay systems, responsive touch controls, UI, analytics, achievements, leaderboards, future IAP hooks, optimization, testing, and store submission preparation. I will focus on maintaining stable 60 FPS performance on mid-range devices and resolving issues before release. I will work with Agile methodology using Git/PlasticSCM, deliver builds progressively from prototype to beta and release candidate, and provide complete source code ownership. I will also provide 2 years of free ongoing support and assist from initial prototype through publishing on both stores. I eagerly await your positive response. Thanks.
$300 SGD in 7 days
8.4
8.4

Hello, I checked your "Cross-Platform Mobile Game Development" project description, it looks like the focus is on delivering a clean, responsive website that works well across all devices. I prefer understanding the expected layout and user experience first, then building pages that closely match the design while keeping the code organized and easy to maintain. Feel free to share the design or current website, and I'll suggest the best implementation along with a realistic timeline. Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
$293 SGD in 9 days
7.8
7.8

Hey there, I have carefully reviewed your project requirements. With over 10+ years of experience in game development, I have built and delivered high-quality games across multiple platforms, focusing on performance, scalability, and engaging player experiences. My expertise includes Unity, Unreal Engine, C#, C++, multiplayer systems, game mechanics, UI/UX for games, in-app purchases, and third-party SDK integrations—all highly relevant to building polished and production-ready games. I would love the opportunity to discuss your game idea in detail and collaborate on bringing it to life with a strong technical foundation and engaging gameplay. Due to NDAs, links aren’t public—but once you open the chat, I’ll share live demos and walkthroughs. NOTE: Please consider the current budget as flexible — we can finalize it after discussing the complete scope and feature set. Thanks & Regards, Kajal
$750 SGD in 7 days
7.2
7.2

I am well-equipped to bring your mobile game vision to life efficiently on iOS and Android platforms using Unity game engine. I will incorporate platform-specific SDKs, analytics, and in-app purchases for monetization. With a focus on responsive touch controls, optimized assets, and a visually appealing UI, I will ensure an engaging player experience. I guarantee timely delivery of a playable prototype, alpha and beta builds, and a polished release candidate. Post-launch support will be provided for ongoing maintenance. My track record includes successful game launches on iOS and Android, demonstrating expertise in performance optimization. I am confident in delivering a high-quality mobile game that exceeds your expectations. Let's collaborate to create an exceptional gaming experience.
$675 SGD in 5 days
6.8
6.8

Hello, I have carefully reviewed your project requirements and understand your vision for developing a polished cross-platform mobile game from prototype through launch, with responsive touch controls, optimized performance, platform services, analytics, and a scalable architecture. With 9+ years of game development experience and 200+ successfully delivered games, I have extensive experience with Unity, C#, iOS/Android development, Game Center, Google Play Games, analytics, IAP integration, mobile optimization, and App Store/Google Play deployment. You will get: 1. Quality optimized work 2. 100% client satisfaction 3. Fast milestone-wise delivery 4. Suitable pricing 5. Unlimited revisions 6. Complete NDA & IP protection (project security is our top priority) Available to start immediately and committed to delivering milestone-wise builds with regular progress updates. Come inbox & let’s get started. Best regards, Sohaib Pasn Games
$500 SGD in 7 days
6.8
6.8

Understanding your vision for a cross-platform mobile game, our team is ready to transform your concept into an engaging product. We excel in guiding projects from initial prototype to successful launch on both iOS and Android. With your focus on a single code-base approach, we can leverage Unity to streamline development. Our team prioritizes responsive touch controls and lightweight assets to ensure smooth performance, particularly on mid-range devices. We're excited to collaborate with you during the design sprint to refine gameplay mechanics. Our expertise includes integrating SDKs for Game Center and Google Play Games, along with analytics and in-app purchase systems. Communication, quality, and on-time delivery are priorities. If you'd like, I can also share similar work we've completed and discuss the best approach for your project. Regards, JP
$400 SGD in 7 days
6.9
6.9

Hi I have read your requirements and I am sure I will be able to help you. Please message me so that we will have detail technical discussion. I have 9+ years of combined experience in Game Development, Mobile Application development, Website development, Desktop application development, 3rd party Artificial Intelligence api, AR/ VR, Chatbot, Blockchain- Cryptocurrency, CRM & ERP, and any other Software development. Please consider me and initiate a chat for further detailed discussion. Regards, Anju
$500 SGD in 14 days
6.6
6.6

I am excited about the opportunity to bring your mobile game concept to life, ensuring it runs seamlessly on both iOS and Android. With a focus on using a single code-base approach, I have extensive experience with Unity and can efficiently integrate device-specific SDKs to facilitate future monetization through in-app purchases and analytics. Fostering collaboration is key, especially since the gameplay genre is still open for discussion. I look forward to shaping the game mechanics together during the design sprint. My commitment to quality ensures that we will prioritize touch responsiveness, lightweight assets, and an engaging user interface that performs excellently on mid-range devices. As we move through the phases, I will deliver a playable prototype, an alpha build, and a polished beta version ready for the App Store and Google Play. I understand the importance of meeting acceptance criteria, and I'll ensure that the game maintains a steady 60 fps and meets all necessary guidelines for submission. Let’s discuss which engine you prefer and the potential for this exciting project. How do you envision the gameplay experience evolving across different genres?
$250 SGD in 10 days
5.5
5.5

Hello, this is a well-scoped mobile game production brief, but it is fundamentally a game-engine delivery problem rather than an AI/backend architecture problem. The real engineering risk is not the prototype itself; it is maintaining 60 fps on mid-range devices while integrating platform services, analytics, and store-compliant release packaging across both iOS and Android. My background is in production AI systems, cross-platform client architecture, and performance-sensitive software, not shipped mobile games in Unity, Godot, or Unreal. That distinction matters here because your acceptance criteria depend on engine-level implementation choices, gameplay loop tuning, asset budgets, and platform submission experience. The closest relevant work on my side is Enterprise ProxyTool Client App for cross-platform runtime architecture and AI Translator Plugin for low-latency production behavior, but neither is a mobile game and I would not present them as direct substitutes for a shipped iOS/Android title. Given that your post explicitly asks for live cross-platform game examples and engine preference, I’d recommend selecting someone with recent shipped game credits, Game Center / Google Play Games integration experience, and a proven mobile optimization track record. Clifton
$500 SGD in 7 days
5.6
5.6

Hello There! I’m Md Toriqul Islam, and I’m excited to partner with you. I can dive into your project immediately. I’m an experienced cross-platform developer with 10+ years of experience working with mobile applications, game systems, responsive UI, analytics, APIs, and production deployments. I understand you need a complete iOS/Android game taken from concept through launch, including prototype, alpha, beta, platform services, analytics, optional IAP hooks, optimized touch controls, polished UI, and TestFlight/Google Play testing builds. I recommend Unity + C# for a maintainable single codebase, strong mobile optimization, reliable platform SDK integration, and efficient simultaneous releases. I am skilled in Unity, C#, Mobile Game Development, iOS, Android, Game Center, Google Play Games, Analytics, IAP Integration, Git, UI/UX, and Performance Optimization. I’m ready to start immediately and can begin with a focused design/prototype sprint before progressing through Alpha, Beta, Release Candidate, and post-launch support. Looking forward to hearing from you. Best regards, Md Toriqul Islam
$250 SGD in 5 days
5.5
5.5

Hi there!! I HAVE 10+ YEARS OF EXPERIENCE IN MOBILE & CROSS-PLATFORM DEVELOPMENT, INCLUDING PERFORMANCE-OPTIMIZED APPS, API/SDK INTEGRATIONS, TESTING, AND APP STORE DEPLOYMENT. I understand you need a complete cross-platform game developed from prototype through launch, with a strong focus on smooth gameplay, responsive controls, and reliable performance on both iOS and Android. I can focus on: ✓ Unity / Godot cross-platform development ✓ Responsive touch controls & polished UI ✓ 60 FPS performance optimization ✓ Game Center & Google Play Games ✓ Analytics & future IAP integration ✓ Git-based development & sprint builds ✓ TestFlight & Google Play testing ✓ Store submission & post-launch support I’ll structure the project around a reusable single-codebase architecture while optimizing device-specific performance and keeping future updates and monetization straightforward. Thanks, Invoke Tech
$350 SGD in 15 days
5.6
5.6

✋ Hi There!!! ✋ THE PROJECT GOAL: BUILD AND LAUNCH A POLISHED CROSS PLATFORM MOBILE GAME FOR IOS AND ANDROID. 1. Develop a smooth single codebase using Unity with responsive touch controls. 2. Build prototype, alpha, beta and release candidate with structured sprint delivery. 3. Integrate Game Center, Google Play Games, analytics and future in app purchases. 4. Optimize assets and performance for stable 60 FPS on mid range devices. 5. Handle TestFlight, Google internal testing, store assets, bug fixing and post launch support. Similar projects have included Unity mobile games with cross platform builds, optimized gameplay, platform services and production ready releases. <-- Questions --> 1. Which game genre and core gameplay loop should be prioritized first? 2. Do you already have the final artwork and sound assets ready? Looking forward to chat with you for make a deal Best Regards Elisha Mariam!
$250 SGD in 11 days
5.1
5.1

Hello, I am a mobile game developer with 8+ years of experience building cross-platform applications, interactive experiences, and production-ready mobile products for iOS and Android. I can help transform your game concept into a polished, launch-ready product using a suitable engine such as Unity, Godot, or Unreal depending on the gameplay requirements. I focus on clean architecture, smooth performance, responsive controls, and scalable systems that support future updates and monetization. My approach: • Convert your concept into a playable prototype and validate the core gameplay loop • Build optimized gameplay systems, UI, touch controls, and device-friendly assets • Integrate Game Center, Google Play Games, analytics, and future-ready IAP systems • Optimize performance to maintain stable FPS on mid-range devices • Manage builds through Git/PlasticSCM with regular sprint updates • Prepare TestFlight and Google Play testing builds with store assets I have experience with Unity-based mobile development, gameplay optimization, SDK integrations, debugging, and publishing apps to both major mobile platforms. I can start with a design/prototype sprint, define milestones clearly, and take the project through beta, release candidate, and post-launch support. I would be happy to share relevant shipped projects and discuss your game concept, preferred engine, timeline, and roadmap.
$500 SGD in 6 days
4.8
4.8

With experience in developing cross-platform mobile games using Unity, I understand your need to bring your game concept to life seamlessly on both iOS and Android. By integrating Game Center/Google Play Games SDKs and ensuring responsive touch controls, I can help create a polished and engaging gameplay experience. My question: How do you envision player engagement and retention strategies within the game to ensure long-term success? Regards, Yogesh Kumar
$260 SGD in 7 days
4.5
4.5

Hello, I reviewed your project requirements, and the main challenge is establishing a scalable game architecture that keeps gameplay, platform services, and future content updates aligned while delivering consistent performance across both iOS and Android from prototype through release. I would build the project around a shared codebase with optimized gameplay systems, responsive touch controls, platform integrations, analytics, and a polished UI so the transition from prototype to store submission remains efficient and maintainable. I have been involved in cross platform game development projects and can share relevant examples, including published titles, once we connect in chat. Best Regards, Atik
$250 SGD in 1 day
3.8
3.8

✅ Turn your game concept into a polished cross-platform mobile experience. Hello, I am a mobile game developer with experience building interactive applications, Unity-based games, mobile UI systems, and performance-optimized experiences for iOS and Android. I can help transform your concept and artwork references into a complete playable game, from prototype development through store release. I recommend Unity with C# for this project because it provides a reliable single-codebase workflow, strong mobile optimization, and smooth integration with: iOS Game Center and Google Play Games Services Analytics SDKs Future in-app purchase systems Cross-platform deployment pipelines I will handle: Core gameplay mechanics and responsive touch controls Optimized assets and smooth performance for mid-range devices UI/UX implementation and game flow Prototype, alpha, beta, and release candidate builds Store preparation, TestFlight, and Google Play testing setup Crash monitoring and post-launch fixes My development approach focuses on clean architecture, scalable code, and maintaining stable frame rates while keeping future updates easy. I will work through Git-based version control, provide regular sprint updates, and collaborate closely with you during design and development iterations. I am ready to discuss your game concept, recommend the best technical approach, and start building the first playable prototype. Best regards.
$500 SGD in 7 days
3.5
3.5

Hey there, I'm Vishal Maharaj, a seasoned Game Design professional with 25 years of experience in Unity 3D, Android, Unreal Engine, iPhone, Unity, and Mobile App Development, based in Perth, Australia. I am excited about the opportunity to work on your Cross-Platform Mobile Game Development project. I understand the need for a seamless gaming experience on both iOS and Android platforms and am well-equipped to bring your concept to life. My approach involves utilizing a single code-base approach with Unity or Unreal Engine, integrating device-specific SDKs, ensuring responsive touch controls, optimizing assets for performance, and delivering a polished user interface. I would love to discuss this project further with you. Please initiate the chat. Cheers, Vishal Maharaj
$500 SGD in 5 days
3.3
3.3

Hello, I understand you need an experienced mobile game developer who can take your concept and transform it into a polished, production-ready game for both iOS and Android. The focus is not only on creating the gameplay, but also on building a stable architecture, optimizing performance, integrating platform services, and preparing the game for store release. I can help develop the game using a suitable cross-platform engine such as Unity, with a focus on responsive touch controls, smooth performance, scalable gameplay systems, and clean code structure. I can take the project from prototype stage through alpha, beta, release candidate, and final store submission while integrating analytics, Game Center/Google Play Games services, achievements, leaderboards, and future monetization support. My approach will start by refining the core gameplay loop, building a playable prototype quickly, then iterating through UI polish, optimization, testing, and platform-specific requirements. I will maintain organized source control and provide regular builds so progress remains visible throughout development. I have experience building interactive applications, mobile games, gameplay systems, UI flows, optimization, and preparing production builds for mobile platforms. Thanks.
$300 SGD in 5 days
3.4
3.4

Hi, I am a software engineer with over 16 years of experience building and optimizing cross-platform products from prototype through production. I would use Unity for this project because it offers a mature mobile workflow, reliable iOS/Android SDK integration, and strong profiling tools for meeting the 60 fps target. I’ll begin with a short design sprint to define the genre, core loop, controls, and performance budget, then develop the game through prototype, alpha, beta, and store-testing milestones. Each stage will include real-device profiling, source control, UI refinement, analytics, platform services, and focused bug fixing, followed by TestFlight and Google Play internal-track submissions and post-launch crash triage. Relevant shipped client games are private and cannot be shared publicly, but I can show suitable examples and build details privately. Do you already have a preferred genre and an approximate number of levels or gameplay sessions in mind? Let’s discuss the concept, artwork, and milestone scope so we can turn it into a polished release.
$300 SGD in 14 days
3.0
3.0

Singapore, Cambodia
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