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I want to develop a simple, web-based, addictive, online game where you collects coins/points first preferance: a car driving game like [login to view URL] I'm not very particular about the game. It can also be something simple like these where you collect coins/points. [login to view URL] [login to view URL] Requirements: 1) game needs to be locked. and it should be playable only with a voucher code (generated on my website. So, validation needs to be done) 2) should be playable in a browser - both desktop and mobile 3) game should have a leaderboard option so Top 10 players with max coins win prizes. 4) game challenge level: intermediate. (Not too easy or Not too difficult) - coin placements needs to change with each game so it should not be predicatble 5) Single level is enough - I dont need multiple levels 6) game leaderboard should be shown in another page, which gets updated as people play games. 7) If you already have a similar game, I dont mind using it if it meets my above requirements. I'm still testing my idea, so at this stage, i'm on a budget. so quote accordingly.
Project ID: 40747467
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Hi, Bojan here, from Serbia. Building your engaging web-based coin collection game with 10 players is doable; what matters most is a game that holds its frame rate on the target devices and feels fun early. I'm a senior game developer with 8+ years of experience working with Game Design, Unity and Game Development. For your engaging web-based coin collection game, the real challenge is frame rate on target devices. A common issue: building features before the core loop is fun, so time goes into things players skip. My plan: first, agree the core loop and the target devices. Then, build it in the engine with placeholder art and profile early. Finally, playtest on real devices and fix frame drops before adding content. I've done game work in Unity, so I check early for frame drops on lower-end devices. A few questions to better understand the scope: 1. Is multiplayer part of this? Network sync changes the whole architecture, so it has to be planned first. 2. Build a playable prototype of the core loop first? I'd recommend it, you judge the fun before content gets built. 3. Are many users on low-end Android phones? Then I'd keep pages light and test on an entry-level device first. I can start right away. Happy to go over the details here in chat and suggest the best approach. Looking forward to hearing from you, Bojan
$300 USD in 7 days
4.4
4.4
121 freelancers are bidding on average $501 USD for this job

With over 300 successful game developments under our belt, including the creation of sophisticated web-based and mobile apps, Falcon Interactive is perfectly positioned to bring your web-based coin collection game to life. My name is Miodrag and, as part of a dedicated team of highly skilled professionals, I attach immense importance to developing high-quality games that captivate and engage users like no other. Not only have we crafted addictive gameplay like the one you're aiming for in the past but also understand the technicalities involved in implementing features such as voucher code validation, browser compatibility, dynamic coin placements to heighten challenge level without predictability along with a leaderboard system that updates on-a-fly from global users. These precise requirements are something we not only comprehend but excel at incorporating into our games. What sets us apart from others? A blend of agility and perfection that enables us to craft the ideal version of any project. While adhering closely to your vision, we use your feedback alongside our iterations and brainstorming sessions to guarantee superior results. Your project's success is tantamount to ours, which epitomizes why we will offer round-the-clock support even after product launch keeping maintenance stable. Let's make your coin collection game a benchmark setter! Contact me now.
$8,500 USD in 90 days
9.3
9.3

Hi, CnEL India can build your browser-based coin collection game with voucher-based access, dynamic gameplay and a real-time leaderboard, while keeping the initial version budget-friendly. Our methodology: * Define the game flow, scoring rules, voucher validation and leaderboard logic. * Build a responsive HTML5/JavaScript game playable on desktop and mobile browsers. * Implement secure voucher-code validation before allowing gameplay. * Create a single intermediate-difficulty level with randomized coin placement for every session. * Track player scores/coins securely and prevent duplicate or invalid submissions. * Build a separate Top 10 leaderboard page with automatic score updates. * Develop a clean, lightweight UI focused on smooth gameplay and fast loading. * Add basic admin/backend functionality for voucher and score management. * Test gameplay, randomization, validation, scoring, leaderboard and mobile responsiveness. * Deploy the game and provide organized source code and setup documentation. We can first finalize the game concept and scoring flow, then develop the MVP in milestones and test it before launch.
$500 USD in 15 days
9.1
9.1

As an AI-focused software development firm, my team and I have the expertise that will ensure your web-based coin collection game is a resounding success. With a strong background in building scalable SaaS platforms, we comprehend the unique needs of your project and are adept at translating ideas into reality. Our proficiency in technologies like HTML, JavaScript, PHP, among others and being well-versed in mobile app and web development give us an edge. The coin placement mechanism in your game design should not be tedious or predictable. Our extensive experience in developing AI agents and business automation workflows will prove invaluable here. We can employ our knowledge of openAI integrations to not only make the game challenging but also ensure that each session has a new pattern for coin placements. Moreover, our competency in MCP server development can facilitate the smooth generation and validation of voucher codes, ensuring security for your users. Building an engaging online gaming experience that can effectively monitor the performance of the top players is not new to us either. We understand the vital impact of leaderboards on user engagement and have developed similar features in our AI-enhanced systems. My team is excited to contribute to this test phase of your concept while keeping affordability in mind - let's get started!
$500 USD in 7 days
8.3
8.3

Hello, I can help you with "Engaging Web-Based Coin Collection Game" as per your given project description. We can discuss more in detail during a chat conversation when you are available. I've worked on many PHP projects in recent times. So I am confident on achieving your expected Goals. Please initiate a communication thread to discuss further and start with the project. ⭐ 5.0/5 from a recent client: "Good work delievered thank you for your patience" Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
$450 USD in 9 days
8.0
8.0

Hi, I understand you’re testing a simple browser game concept and want to keep the first version budget-friendly. I can build a single-level, addictive coin-collection game with voucher-based access and a live leaderboard. I’m an Expert Full Stack and Game Developer with 8+ years of experience building browser applications, interactive games and real-time web features. I can handle: Responsive desktop and mobile browser gameplay Single intermediate-difficulty driving/coin-collection game Randomized coin placement for every session Voucher-code validation before gameplay Secure backend tracking of players and scores Live Top 10 leaderboard on a separate page Real-time leaderboard updates as scores are submitted Prize ranking based on highest valid scores Basic anti-cheat validation and session controls Clean, lightweight UI optimized for fast loading I recommend HTML5 Canvas with JavaScript/TypeScript for the game, with Node.js and PostgreSQL for voucher validation, player sessions and leaderboard data. This keeps the game lightweight while making the backend easy to extend. Since you’re validating the idea and working with a budget, I can also evaluate whether an existing game can be adapted instead of building everything from scratch. Share your voucher-generation flow and preferred hosting setup, and I can suggest the most economical implementation. Thanking you, All the very best, Cheers!!
$400 USD in 20 days
7.9
7.9

⭐⭐⭐⭐⭐ Simple Web‑Based Coin Collecting Game with Voucher Access ❇️ Hi My Friend, I hope you are doing well. I checked all of your project requirements and I can see you are looking for a web game where players collect coins. You have no need to look any further as Zohaib is here to help you! My team is already doing 50+ similar projects for browser games. I will build a lightweight HTML5 car game that runs on desktop and mobile, adds voucher code validation and a dynamic leaderboard. I will also set up random coin placement each round and give free hosting help in the same budget. ➡️ Why Me? I can easily do your game as I have 5 years of experience in JavaScript, HTML5 Canvas, WebGL, Node.js, API integration, game physics. Not only this, I have a strong grip on responsive design, database handling and leaderboard systems. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. Looking forward to discussing with you in chat. ➡️ Skills & Experience: ✅ JavaScript ✅ HTML5 Canvas ✅ WebGL ✅ Responsive Design ✅ Node.js ✅ Express API ✅ MySQL ✅ Firebase ✅ Game Physics ✅ Random Algorithms ✅ Voucher Validation ✅ Leaderboard UI Waiting for your response! Best Regards, Zohaib
$350 USD in 2 days
7.9
7.9

The tricky part here isn't the driving physics — it's making voucher gating and the leaderboard trustworthy, since scores posted from a browser can be faked. I build real-time systems with WebSockets and state machines, plus Node.js/PostgreSQL APIs with RBAC, so this maps directly to my work. Approach: 1) HTML5 canvas endless driving/collect game with seeded random coin placement so every run differs while staying verifiable server-side; 2) a voucher endpoint that validates a code from your site, issues a one-time play token, and marks it used; 3) a Top 10 leaderboard page refreshing live as scores land, with score validated against the run seed. Mobile touch controls and desktop keyboard both included. Does your website already expose an API for voucher codes, or should I build that too?
$450 USD in 7 days
7.6
7.6

With extensive experience in Full Stack Development, I understand the unique requirements of your project for an engaging coin collection game. I can efficiently develop a locked, voucher code-validated game with an intermediate level challenge and dynamic coin placements. Drawing on my skills in HTML, JavaScript, and PHP among others, I will ensure that the game is playable on both desktop and mobile browsers. One crucial feature of your game is the leaderboard option where top 10 players with max coins win prizes. Drawing on my expertise in database management, I can design a smooth and efficient system that updates the leaderboard as people play the game. Moreover, having previously worked on similar projects, I have gained a level of proficiency that allows me to create addictive and fun games like the one you're looking for.
$250 USD in 3 days
7.7
7.7

Hello, I can build a lightweight browser game around your core idea, with a simple driving/coin-collection gameplay loop that is easy to understand but still challenging enough to encourage replay. The important part is the voucher-based access, so I’ll implement secure voucher validation before gameplay starts, along with randomized coin/point placement on each run to keep the challenge unpredictable. The game will work across desktop and mobile browsers, with a separate live leaderboard showing the Top 10 players and their scores. I can keep the scope intentionally lean—one polished level, intermediate difficulty, responsive controls, leaderboard integration, testing, and clean source code—so it stays suitable for your current testing budget. If an existing game/template can be adapted to meet the requirements properly, I can evaluate that option as well. I’ve been working through Asra Studios for 8+ years in game development, Unity/C#, web experiences, UI/UX, and backend integrations. Share your voucher-generation/validation setup and I can confirm the best implementation approach and quote. Best regards, Asra Studios
$750 USD in 25 days
7.1
7.1

Browser-based coin collection games, voucher validation, and live leaderboards are my lane. I'd build a single-level 2D driving game with desktop/mobile controls, randomized coins, balanced difficulty, and a separate Top 10 page. How should your website's vouchers control repeat attempts and score eligibility? That choice shapes server-side access checks and keeps prize rankings fair. Message me your website stack and voucher setup, and I can map the simplest playable approach. Would you like to start with the 2D driving version?
$250 USD in 1 day
6.8
6.8

You want a web-based coin collection game locked behind voucher codes, playable on desktop and mobile, with a leaderboard for your top 10 players. I can build this using HTML5 Canvas for the game logic and rendering, JavaScript for the gameplay mechanics and coin randomization, and PHP on the backend to handle voucher validation and leaderboard updates. The game will run smoothly in any browser without plugins. I would start with the racing game concept you linked, implementing simple car controls, randomized coin placements that change each session, and collision detection. The voucher system would authenticate players before they start, storing session data and scores in a MySQL database. The leaderboard page would pull live rankings and update automatically as scores come in. If you prefer one of the simpler mechanics like the flappy-style game instead, that works too and would be faster to deliver. I have a 4.99 out of 5 rating from 149 client reviews on Freelancer, with 143 projects completed, 99.5% on time and 99.8% on budget. My background is in full-stack development with JavaScript, APIs, and backend systems, so integrating voucher validation with real-time leaderboards is straightforward. How many voucher codes do you expect to generate per campaign, and do you need any admin panel to manage them or view game analytics? Let's talk and get started. Thank you.
$750 USD in 10 days
7.0
7.0

With my diverse skill set in Graphic and Front-End Design, WordPress, HTML, and UI/UX, I'm confident in creating an engaging web-based coin collection game that meets all your target requirements. With over 8 years of experience creating high-performing websites and handling every aspect of the design process from beginning to end, you can count on me for a polished final product that's ready to launch with minimum revision needed. Additionally, my versatility extends beyond game development. Even if you're open to using an existing game with necessary tweaks to align it with your requirements and budget constraints, I have the knack for customization. Let's talk more about your project!
$250 USD in 7 days
6.6
6.6

Hello, I have carefully reviewed your requirements for a simple, addictive browser-based coin/points game with voucher-code access, dynamic coin placement, and a live Top 10 leaderboard for prizes. With 9+ years of game development experience and 200+ successfully delivered games, I will build a responsive desktop/mobile web game focused on smooth gameplay, replayability, and secure validation. You will get: 1. Car driving/coin-collection gameplay or a suitable existing game 2. Voucher-code validation and locked access 3. Dynamic/randomized coin placement per game 4. Single intermediate-difficulty level 5. Live Top 10 leaderboard on a separate page 6. Desktop & mobile browser optimization 7. Complete source code and deployment setup 8. Completed NDA agreement & IP agreement I understand you are testing the idea and working with a limited budget, so I will keep the solution simple and cost-effective. Available to start immediately. Come inbox & let’s get started. Best regards, Sohaib Pasn Games
$500 USD in 7 days
6.8
6.8

As a seasoned developer with over 17 years of experience and a highly competent team, we specialize in game development that aligns perfectly with your requirements. Our expertise in Javascript not only ensures that your desired coin collection game will be engaging and addictive, but it also enablxes us to guarantee features you need such as voucher code locking, cross-platform compatibility on both desktop and mobile, the inclusion of a leaderboard for top prize winners and the implementation of advanced coin placement patterns. Furthermore, our extensive experience in website development, coupled with our skillfulness in PHP equips us to seamlessly integrate your generated voucher codes into the game, enabling smooth validation processes. We can also dynamically update the leaderboard page as players continue to engage with the game on your platform. Budget-conscious without compromising on quality, we understand the limitations startups face in their exploratory stages; this is why we are prepared to offer you an affordable solution that doesn't involve reinventing the wheel. By leveraging our pre-existing games that meet your requirements, we can ensure faster delivery while still delivering quality and exceedingexpectations. Let's get started on bringing your coin collection gaming vision to life effectively and economically.
$500 USD in 7 days
6.1
6.1

I can build a simple web-based coin collection game like the car driving style you mentioned, with voucher code access and a dynamic coin placement system to keep gameplay fresh each time. For voucher validation, I’ll create a lightweight API to check codes generated on your site, ensuring only authorized users play. The game will run smoothly on desktop and mobile browsers, and the leaderboard will update live on a separate page, showing the top 10 players with max coins. I’ve helped a client with a similar browser game where we randomized collectible items’ positions each round to maintain challenge without frustration. A quick question: Do you have a preferred method or platform for generating and managing voucher codes? Also, would you want the leaderboard data stored on your existing backend or a standalone database? Since you’re testing the concept on a budget, I can either adapt an existing game template with these features or build a custom lightweight version quickly. Ready to start and get a working demo for your playtesting soon.
$250 USD in 7 days
6.1
6.1

<<<✔Consider it DONE✔>>> YO! I understand your project and I'm eager to help. As a seasoned web developer with a keen fondness for creating engaging online experiences, I bring to the table a unique blend of skills required for your coin collection game project. I have a strong command over HTML, HTML5, and PHP -- the exact technologies needed for crafting your desired web game. My understanding of the potential of these technologies and my experience in web development allow me to fulfill your needs with precision, ensuring the game is addictive, secure, and accessible across devices. Looking forward to being part of your project! You will surely be impressed by my work! Not sure what the next step is? I offer free and professional consultation -- I'm just a text away. All the very best, Josh
$500 USD in 2 days
5.7
5.7

Voucher check and coin layout both go on the server first, before any car gets drawn, because anything decided in the browser can be edited by the player. The game page asks the server to redeem the code, the server marks it used and hands back a session token plus a random seed. Coins are generated from that seed, and the final score is checked against it before it reaches the leaderboard, so nobody can post a fake 9999 from the dev console. The game itself would be an HTML5 canvas endless driver with touch steering on mobile and arrow keys on desktop. One level, coins spawning ahead of the car in a different pattern every run. The Top 10 page lives separately and refreshes within a couple of seconds of a new score. I haven't seen how your website stores vouchers, so I'm assuming I can hit an endpoint or read a table to validate them. I think that's the one thing that could shift the estimate. M1: one-time voucher redeem API and seeded coin generation, $211, 1d. M2: canvas driving game with touch and keyboard controls, score submission and verification, $215, 2d. M3: live Top 10 page, mobile polish and deployment, $214, 2d. Send me the voucher format and how your site could expose a validity check, and I'll have a firm number tomorrow.
$640 USD in 5 days
5.9
5.9

Having worked as a dedicated Game Developer for over 5 years, I firmly believe that I am the right fit for your web-based coin collection game. My expertise lies in Unity, which is extensively respected for developing games just like the one you describe. From creating a locked game that can only be activated with voucher codes generated on your website to incorporating leaderboard functionality, I have successfully accomplished these tasks in the past. Understanding your desire for a balance between an intermediate challenge level and unpredictability in coin placements within the game, my skills align perfectly with designing gameplay systems that are both engaging and dynamic. My ultimate goal is not just to meet your expectations but to exceed them through smooth gameplay mechanics, visually enticing environments, and optimized performance across both desktop and mobile platforms. Furthermore, being an alumnus of the Roblox Games arena has instilled in me a knack for cost-efficiency without compensating quality. As you mentioned that budget is an important consideration during this potentially exploratory phase of your project, let's collaborate to find smart solutions utilizing existing resources and frameworks. Together, we can bring your vision of an addictive coin collecting game to life while ensuring a seamless user experience worthy of accolades.
$500 USD in 7 days
6.7
6.7

==== Hi - Truong here ==== "VOUCHER-LOCKED COIN COLLECTION GAME" - you need a simple mobile-friendly game where each voucher creates a fair, trackable attempt. I’d keep the first version to one HTML5 game level, with server-side voucher validation, randomized coin placement and a server-backed leaderboard. The game can run in both mobile and desktop browsers, while the leaderboard page updates from the same score data. For fairness, I’d validate the voucher before starting the session and submit the final score through the server rather than trusting the browser alone. That also makes it harder for players to modify scores. Would you prefer the first version to use a simple coin-collection driving game, or should I adapt an existing lightweight game style to reduce the build cost? Looking forward to work with you.
$500 USD in 7 days
5.5
5.5

As an experienced Game Designer and Web Developer, I am well-equipped to bring your vision of a captivating, web-based coin collection game to life. With my skills in Game Design, Game UI, and HTML, I have a strong foundation in creating engaging experiences that combine entertainment with functionality - just what you're looking for. Additionally, my proficiency in industry-standard design software ensures that your game will be visually appealing and run smoothly on both desktop and mobile devices. Moreover, I understand the importance of your specific requirements for a unique voucher code validation system and leaderboard function. Ensuring game security while providing an engaging user experience is paramount, and my technical acumen will enable me to deliver this seamlessly. Lastly, while maintaining your budget restrictions, I guarantee premium quality work delivered on time. Let's turn your idea into an addictive reality by strategically placing coins dynamically every time to keep the challenge level interesting. I'm confident that with my skills and commitment to client satisfaction, I’m the best partner to bring your Coin Collection Game project to countless users online. Thank you for considering me!
$260 USD in 1 day
6.3
6.3

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