
Closed
Posted
Paid on delivery
I need a talented game developer to create a custom card game with unique rules for mobile platforms (iOS/Android). The game should include both multiplayer and single-player modes, as well as in-app purchase options. Key requirements: - Innovative card game mechanics - Engaging multiplayer and single-player modes - Integrated in-app purchase system - Mobile-friendly UI/UX design Ideal skills and experience: - Experience in game development, particularly for mobile platforms - Strong understanding of card game dynamics - Proficiency in implementing in-app purchase systems - UI/UX design expertise for mobile applications Please provide a portfolio showcasing relevant work.
Project ID: 40479377
71 proposals
Remote project
Active 1 day ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
71 freelancers are bidding on average $33,118 USD for this job

Hi, I understand you need a custom mobile card game for iOS and Android with fresh rules, a smooth game flow, single-player mode, real-time or turn-based multiplayer, in-app purchases, and a clean mobile UI. My approach would be to first lock the game rules and user flow, then build a playable prototype in Unity, test the core card mechanics, add multiplayer, AI opponent logic, IAP, menus, rewards, and polish the UI for both screen sizes. I can also help prepare the build for App Store and Google Play submission, with proper testing so the game feels stable and fun. Do you already have the full card rules and game flow written down, or should I help design and balance the rules from scratch? Should multiplayer be real-time, turn-based, or both? What type of in-app purchases do you want, such as coins, card packs, skins, or subscriptions? Do you have any reference games for the UI style and gameplay feel? Best regards,
$50,000 USD in 17 days
9.0
9.0

Hi — Elias here from Miami. Creating a custom card game for mobile platforms is an exciting venture. The goal here is not just to develop a game but to ensure it is engaging and scalable for future updates. What usually matters most here is the game’s architecture and user experience. Designing unique mechanics can introduce complexity in state management and user interactions. The tricky part is usually balancing gameplay while ensuring performance across devices. My approach would involve structuring the game using Unity, focusing on modular design. This way, we can easily add features or modify rules as needed without compromising stability. I prioritize maintainability and user experience, ensuring the game is intuitive and enjoyable. I've worked on similar projects, developing mobile games that required intricate rule sets and engaging interfaces. This experience has taught me how to foresee potential pitfalls, especially concerning user engagement and performance under load. A few questions to better understand the scope: Q1 – What specific gameplay mechanics do you envision for the card game? Q2 – Are there any particular user roles or features you want to emphasize? Q3 – How do you plan to handle in-app purchases or monetization strategies? Happy to go through the details and suggest the best technical approach. Looking forward to hearing from you.
$35,000 USD in 35 days
8.2
8.2

✅ Card Game | Texas hold 'em | Gambling Hi, I’d love to help build your custom card game for iOS and Android. I have extensive experience developing mobile games with multiplayer functionality, engaging gameplay mechanics, in-app purchases, and user-friendly mobile interfaces. Whether you already have the game rules defined or need assistance refining them, I can help turn the concept into a polished and enjoyable experience. Due to NDA restrictions, I’m unable to share the project links publicly here. However, I have worked on several relevant game projects, including card-based and multiplayer games. I’d be happy to share detailed portfolio examples, demos, and case studies once we connect through chat. Feel free to initiate a conversation, and I’ll provide the most relevant examples that align with your project requirements. I can handle the complete development cycle, from gameplay implementation and multiplayer networking to store deployment. Looking forward to discussing your card game idea in more detail. Best Regards Purnima
$25,000 USD in 35 days
7.2
7.2

As an experienced game developer with a strong background in both iOS and Android platforms, I guarantee you a tailor-made and innovative card game for your project. My portfolio exhibits the diverse range of mobile applications I have successfully created from social platforms to games. Moreover, my experience in creating challenging marketplace apps would be particularly valuable in developing engaging multiplayer and single-player modes for your card game. In addition to my technical skills, I understand the dynamics that make a card game truly enjoyable for its players. From conceptualization to execution, I strive to develop unique mechanics that are both engaging and fun. I also have a deep understanding of integrating in-app purchase systems to ensure a smooth user experience without compromising gameplay balance. With an eye for appealing design and an expertise in UI/UX, your card game will not only offer an excellent gaming experience but also feel intuitive for all players regardless of their skillsets. So let's collaborate and create a custom card game that stands out from the crowd!
$45,000 USD in 120 days
7.2
7.2

Hi, I see you're looking to build a one-of-a-kind card game with fresh rules and smooth multiplayer and single-player experiences. I will focus on making the game easy to enjoy on phones, with clear in-app purchase options for monetization. I can handle creating fun and unique game mechanics, develop the multiplayer and solo modes so players can compete or play alone, and I’ll make sure the UI looks good and works well on mobile screens. I believe clear talk, good quality work, and saving your time are key, plus I’ll support you even after the project ends. Let's have a chat and plan together to make something really exciting. Looking forward to creating something great with you. Regards, Nick.
$20,000 USD in 30 days
6.6
6.6

⭐⭐⭐⭐⭐ 0As a seasoned game developer and the proprietor of CnELIndia, I have been honing my skills for over 18 years in delivering engrossing, interactive digital experiences. My proficiency in mobile app development, particularly with React Native, gives me the razor-sharp edge required for this project. CnELIndia prides itself on pushing the boundaries of possibility, and your aspiration of "unique card game mechanics" aligns perfectly with our philosophy. We know that creativity is paramount, not just in design but also in gameplay. And that's precisely what we can offer you - a custom card game with thrilling mechanics and engaging multiplayer and single-player modes. Additionally, our expertise extends to creating immersive user interfaces that enhance the gaming experience. And we won't stop there! I will personally ensure the seamless integration of the in-app purchase system. With over 743 satisfied clients attesting to our punctuality and precision, I guarantee that partnering with us will be your best investment.
$35,000 USD in 7 days
7.0
7.0

Hello, I have carefully reviewed your requirements and understand you need a custom mobile card game with unique gameplay mechanics, engaging single-player and multiplayer modes, integrated in-app purchases, and a polished mobile-friendly user experience. With 9+ years of experience in mobile game development, I specialize in card games, multiplayer systems, gameplay balancing, monetization integration, UI/UX, and scalable game architecture. I can develop an engaging and expandable card game experience optimized for both iOS and Android with clean, maintainable code. You will get: Quality optimized work 100% client satisfaction Fast delivery Suitable pricing Unlimited revisions Complete NDA & IP protection (project security is our top priority) Estimated delivery You will receive a complete mobile card game with custom mechanics, multiplayer and single-player modes, in-app purchase integration, polished UI/UX, organized source code, and production-ready builds. Come inbox & I will share relevant card game and mobile game portfolio projects. Let’s get started. Best regards, Sohaib Pasn Games
$20,000 USD in 60 days
6.8
6.8

As an AI and Embedded Systems Engineer with a deep-rooted love for game design, I bring a unique blend of skills to the custom card game development project. My diverse experience in creating intelligent products, combined with a solid understanding of mobile app development for iOS/Android, makes me well-suited for this undertaking. I believe my proficiency in AI integration, real-time device control, and game development will greatly contribute to building an innovative and engaging card game. Throughout my career, I've successfully designed and executed projects that required thinking "outside of the box" and incorporating unique mechanics. Be it AI-powered devices, IoT systems or in this case, an exciting card game; I place innovation at the core of my work. With my wide knowledge base and comprehensive grasp on card game dynamics, I'll bring refreshing gameplay elements to the table. Moreover, my capabilities stretch beyond pure coding. I have proven expertise in UX – an essential aspect for mobile applications - which will ensure your game not only has great gameplay but is also user-friendly to guarantee player satisfaction. Additionally, my background in in-app purchase systems puts me on an advantageous footing to seamlessly incorporate this feature into your game experience. By choosing me, you'll get not just a game developer but a whole creative package geared towards turning your unique card game vision into reality.
$50,000 USD in 180 days
6.4
6.4

Your card game project sounds exciting, and I like that you're aiming for both single-player and multiplayer experiences from the start. From your description, the main challenges will be: • Designing and implementing the custom card rules and game logic accurately. • Building a reliable multiplayer system with matchmaking, synchronization, and disconnect handling. • Creating an engaging AI opponent for single-player mode. • Developing a mobile-friendly UI/UX that keeps gameplay intuitive on different screen sizes. • Integrating secure in-app purchases and ensuring compliance with App Store and Google Play requirements. I can help build a scalable game architecture that supports: • Custom card mechanics and rule systems. • Real-time or turn-based multiplayer gameplay. • Single-player mode with AI opponents. • In-app purchases, rewards, and progression systems. • iOS and Android deployment from a shared codebase. • Future updates, new cards, game modes, and live events. I'd be happy to review your game concept, rules, and feature list to provide a realistic timeline and development plan. Thank you for considering my proposal. I look forward to discussing your vision further.
$35,000 USD in 30 days
6.5
6.5

Hi, A custom card game with unique rules doesn't really need Unity. For a 2D turn-based game, Flutter + Flame keeps the build light and lets you push rule changes without waiting on an app-store review each time. I'd build it on: - Flutter + Flame for card animations and the game board - Firebase (Firestore + Realtime DB) for multiplayer and single-player modes - RevenueCat over StoreKit/Play Billing for the in-app purchase system - One shared codebase shipping to iOS/Android I'm a Flutter/React Native dev (5★ across 72 reviews here) and have shipped real-time Firebase sync and IAP on production mobile apps. One thing to settle early: is the multiplayer real-time, where both players watch turns live, or async play-by-turn? That decides whether we need persistent sockets or Firestore listeners, and it shapes the whole backend. Asif
$50,000 USD in 45 days
6.3
6.3

Hi I can develop your custom mobile card game for iOS and Android with unique rule logic, polished UI/UX, single-player mode, multiplayer mode, and in-app purchases. I have experience with Unity, C#, mobile game architecture, card game mechanics, matchmaking, turn-based gameplay, AI opponents, player progression, and App Store/Google Play-ready IAP integration. The game can be structured with reusable card logic, clean state management, responsive mobile layouts, animations, rewards, and secure purchase flows. A key technical challenge is keeping the custom card rules consistent across single-player AI, multiplayer sessions, and purchase-based progression without creating gameplay conflicts. I would solve this with a centralized rule engine, validated game-state flow, clear multiplayer synchronization, testable card actions, and separate modules for AI, matchmaking, UI, and monetization. I can also help refine the gameplay loop, improve player engagement, and prepare the project structure so future cards, modes, or events can be added easily. I can share relevant game development examples and discuss the closest card or mobile game work based on your preferred style. Thanks, Hercules
$35,000 USD in 90 days
6.5
6.5

Hi, Your custom card game sounds like a strong fit for a Unity based mobile build, especially with both single player and multiplayer modes planned from the start. I can help design and develop the full game flow, including unique card mechanics, mobile friendly UI/UX, single player logic, multiplayer gameplay, player progression, and in app purchase integration. I would structure the project cleanly so new cards, rules, rewards, and monetization features can be expanded later without rebuilding the core system. I have experience with mobile app development, game logic, interactive UI, backend connected features, and scalable gameplay architecture. For this project, I would focus on smooth gameplay, clear card interactions, stable multiplayer handling, and an engaging experience that feels polished on both iOS and Android. I would be happy to review your rules and help turn them into a playable, production ready mobile game. Best, Justin
$35,000 USD in 100 days
6.3
6.3

Hello dear! I’m Md Toriqul Islam, experienced game developer specializing in Unity mobile game development, multiplayer systems, card game mechanics, and UI/UX, with over 10 years experience. I understand you need a custom mobile card game for iOS/Android with innovative rules, single-player and multiplayer modes, integrated in-app purchases, and smooth UI/UX. I’ve built similar real-time multiplayer card and board games with secure payment integration. My skills in Unity, C#, Photon multiplayer, Firebase, and in-app purchase systems ensure high-quality scalable delivery. Feel free to share details. I’m ready to start immediately and deliver fast, quality results. Best regards, Md Toriqul Islam.
$20,000 USD in 30 days
5.4
5.4

Creating a custom card game with unique rules and smooth multiplayer plus single-player modes is a challenge I’ve tackled before. I recently helped a client build a mobile card game with original mechanics and integrated in-app purchases, ensuring the experience felt fresh and engaging on both iOS and Android. To fit your needs, I’d start by mapping out the core gameplay flow to balance your innovative rules and multiplayer interactions, then design a clean, mobile-friendly UI that keeps players hooked. For in-app purchases, I’ll integrate options carefully to enhance revenue without disrupting gameplay. One quick question: Do you already have a specific rule set or theme in mind, or should the game mechanics be developed from scratch? Also, would you prefer a turn-based or real-time multiplayer setup? This type of project typically moves fast once the rules and features are locked, so I’m ready to dive in as soon as you’re set with those details.
$50,000 USD in 7 days
5.3
5.3

Hi there, This project instantly caught my eye, so I had to reach out. The idea of developing a custom card game with unique rules for mobile platforms sounds exciting. I have experience in game development, especially for mobile platforms, and a strong understanding of card game dynamics. My expertise includes implementing in-app purchase systems and designing user-friendly interfaces for mobile applications. I am the right person for this project because of my skills in game development and UI/UX design. I am committed to quick communication and a fast turnaround. Let me know if you are available for a quick chat! Regards, XRProConnect
$25,000 USD in 7 days
4.7
4.7

As an accomplished Senior Mobile Engineer, I have spent years honing my skill set in game development and advanced UI/UX engineering - this includes mobile applications built on Unity. I share your passion for creating unique gaming experiences and am adept at transforming innovative ideas into successful, scalable products. My broad range of expertise also covers designing and integrating in-app purchase systems - a key component for the mobile game you envision. Notably, I have a solid grasp of card game dynamics that can greatly benefit your project. This deep understanding enables me to craft clever mechanics that engage players, simplifying complex strategies without compromising the charm of the gameplay. Moreover, my proficiency in both Android and iOS development ensures maximum reach for your target audience. Lastly, my portfolio speaks volumes for my abilities in creating top-notch, user-friendly applications - from SaaS to booking platforms; all with clean, maintainable code and optimized performance. Therefore, I believe choosing me for this project means you're choosing a reliable partner that will deliver a custom card game with captivating mechanics, robust multiplayer options and an immersive single-player experience - all packaged within an appealing mobile-friendly interface. Let's turn your unique gaming concept into reality!
$35,000 USD in 7 days
4.1
4.1

Regarding your project, I have a quick question: For the multiplayer mode, are you envisioning a real-time connection managed by a central server for matchmaking and state validation, or a more asynchronous turn-based system? I plan to approach this by using a Node.js and Express backend with WebSockets to handle the real-time multiplayer logic and custom rule engine. For the client, I'd leverage a cross-platform solution to ensure a single codebase for both iOS and Android, streamlining development. I previously tackled a similar challenge in a personal project, a strategic card game. In that project, I engineered a server-authoritative game engine to manage complex card interactions and synchronize game state across multiple clients in real-time, ensuring a fair and consistent gameplay experience. Let's connect to discuss the architecture. Regards, Philip O.
$20,000 USD in 7 days
3.3
3.3

Hi, I’ve worked on interactive applications where the hardest part wasn’t the mobile development itself, but turning a game concept into a balanced system that stays engaging after hundreds of matches. Have the core game rules already been defined, or are you looking for help designing and balancing the mechanics as well? For a project of this scale, I’d start by building a playable game loop and validating the card mechanics before investing heavily in progression systems, multiplayer infrastructure, or monetization. The success of a card game usually depends on matchmaking, balance, progression, and retention far more than the initial feature list. Once the core gameplay feels right, I’d layer in ranked or casual multiplayer, single-player challenges, account systems, analytics, and in-app purchases in a way that supports long-term growth. I’ve worked on complex mobile and web platforms that required real-time interactions, scalable backend architecture, payment flows, and polished user experiences. For mobile card games, Unity is typically the most practical foundation for maintaining feature parity across iOS and Android. Happy to discuss the game concept and technical direction in more detail. Kind regards, Abel.
$20,000 USD in 7 days
2.9
2.9

Hello, I'm Karthik, a Technology Architect with 15+ years of experience delivering mobile games, multiplayer platforms, and scalable software solutions. Your custom card game project is particularly interesting because it combines unique gameplay mechanics, multiplayer functionality, and monetization features. My team has expertise in Unity, multiplayer game development (Photon/FishNet), game backend architecture, matchmaking, leaderboards, and in-app purchase integrations for both iOS and Android. We can help with: • Designing and implementing unique card game mechanics • Single-player and real-time multiplayer modes • In-app purchases and monetization systems • Mobile-optimized UI/UX • Player progression, rewards, and analytics • Scalable backend infrastructure for future growth We follow a structured process from game design and prototyping through development, testing, and app store deployment to ensure a polished final product. I'd be happy to discuss your game concept, target audience, and feature roadmap. Portfolio and relevant game project references can be shared during discussion. Best regards, Karthik 15+ Years Experience
$49,000 USD in 7 days
2.8
2.8

Hi there! Are you thinking about implementing a progression system or battle pass to keep players engaged long-term, or is this more about a straightforward card mechanic at launch? Regardless, given my past experiences, this is definitely something that I feel confident delivering on. Kind Regards, Corné
$25,000 USD in 7 days
2.4
2.4

Bangkok, Thailand
Member since May 30, 2026
$30-250 USD
₹1500-12500 INR
$30-250 USD
$750-1500 USD
$250-750 USD
$15-25 USD / hour
€2-6 EUR / hour
₹12500-37500 INR
$40 AUD
$30-250 USD
$15-25 USD / hour
₹1500-12500 INR
$30-250 USD
$3000-5000 USD
₹12500-37500 INR
€250-750 EUR
₹600-1500 INR
$2-8 USD / hour
$3000-5000 USD
$250-750 USD