
In Progress
Posted
Paid on delivery
((((Read the description thoroughly before bidding))) We are looking for an experienced and certified Game Development Studio or Senior Full-Stack Unity Team to handle the complete development from scratch of a massive multiplayer, open-world mobile game (GTA / Roleplay style). The game must be highly optimized for mobile devices (iOS and Android) and support up to 300 concurrent players on a single Windows server. IMPORTANT NOTE: We do not have any pre-existing base files, source codes, or project templates. The hired studio/developer will be fully responsible for providing, coding, and integrating all assets, network architecture, core systems, and environment designs from the ground up. Project Reference & Target Quality: To understand the exact gameplay style, mechanics, and visual quality we are aiming for, please check this game as a reference: [login to view URL] Technical & Optimization Requirements:The game features a $4\text{ km}^2$ map (City and Sub-urban areas). To ensure smooth performance on target mobile GPUs, the developer must implement:Frustum Culling & Occlusion Culling.Networking-based distance culling (Interest Management).Addressables for efficient object/vehicle [login to view URL] for all 3D [login to view URL] terrain system with Microsplat shaders.Super-resolution sampling supported by Mobile GPUs. Core Game Features to Implement:Vehicles & Showrooms: Drivable bicycles and scooters with a fully functional buying/selling showroom [login to view URL] System: Melee combat using specific weapon variations (Kitchen weapons for female characters, sports weapons for male characters).Job & Mission System: Interactive progression tasks (Package delivery, neighborhood cleaning, mall cashier, security guard) with an XP/progression [login to view URL] & Monetization: Dual-currency system (In-Game rewarded cash + Premium currency via In-App Purchases), purchasable money kits, and Google Admob integration (Rewarded video ads to double mission payouts).Social Systems: Clans/Guilds, Alliance System (with dedicated upgradable buildings, ranking, and flag customization), Safe/PVP zones, and Room [login to view URL]: Proximity 3D Voice Chat + Public/Private Text [login to view URL]: Real-time Day/Night cycle, Minimap with points of interest, Property Renting system, and Pet Rental system (Cats, Falcons, etc.).Localization: Full UI and text localization support for both Arabic and [login to view URL] Panel: Browser-based control panel to dynamically inject events/activities directly into the game. Production & Deliverables:Maintain dual-build workflows (1 Prototyping Build + 1 Live Production Build).Manage tasks on site using a Kanban [login to view URL] source code handover upon completion using a secure private cloud [login to view URL] must include: Mobile Game Builds + Server Builds + Full Source Code + 1 Month of FREE Post-Launch Support. Project Budget & Milestones:We are setting a fixed budget for this project with the specific milestones to be discussed and agreed upon with the selected candidate during the interview [login to view URL] Project Budget: $5,000 (Fixed Price) ""The project must not take more than 6 months to complete"" Note: Candidates must be willing to sign an NDA and Intellectual Property (IP) rights agreement before hiring. Please share your portfolio of open-world or multiplayer mobile games in your
Project ID: 40493098
49 proposals
Remote project
Active 6 days ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
49 freelancers are bidding on average $5,639 USD for this job

Hello, I hope you're doing well! I understand you need a senior Unity team to build a GTA-style open-world mobile multiplayer game from scratch, including a 4 km² optimized map, 300-player server support, vehicles, combat, jobs, economy, clans, voice/text chat, localization, admin panel, and full iOS/Android delivery. I have strong experience with Unity mobile development, multiplayer architecture, server builds, optimization systems such as LODs, culling, Addressables, pooling, terrain optimization, IAP, AdMob, and full gameplay-system implementation. I will structure the project by milestones, starting with networking and core prototype, then map/vehicle/player systems, economy/social features, admin tools, optimization, testing, and final production builds with source handover. Q1: Do you already have preferred networking technology such as Photon, Mirror, Fish-Networking, or a custom server? Q2: Should assets be custom-made, purchased from stores, or a mix of both? Q3: Are you flexible on scope if the $5,000 budget cannot cover the full GTA-style feature set? Looking forward to discussing the project in detail!
$4,000 USD in 7 days
6.6
6.6

Hello, I have carefully reviewed your requirements and understand you need a complete GTA-style open-world multiplayer mobile game built from scratch, including networking architecture, gameplay systems, economy, social features, voice chat, admin tools, and large-scale mobile optimization. At pasngames, game development is our core business. With 9+ years of experience, our in-house team specializes in Unity, multiplayer systems, open-world games, backend infrastructure, mobile optimization, and live-service architectures. We can handle the full production cycle, from planning and architecture to deployment and post-launch support. 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 scalable multiplayer architecture, optimized open-world systems, backend services, admin panel, complete source code, server builds, mobile builds, and ongoing support throughout development. Come inbox & I will share relevant open-world, multiplayer, and roleplay game portfolio projects. Let’s get started. Best regards, Sohaib Pasn Games
$3,000 USD in 25 days
6.8
6.8

Hi I have read you requirement and 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 for Web PC and Mobile and have expertise on Unity , Flutter, Android Java, Kotlin, Swift, Unreal Engine, Python Django, Power BI, Scikit-learn, Data Science AI ML, PyTorch, TensorFlow, SparkML , as well as React , Node , Typescript, JS framework, Nest js , Next js, HTML5 game with AR & VR concepts with Blockchain implementation. Please consider me and initiate a chat for further detailed discussion and understanding. Regards, Anju
$4,000 USD in 60 days
6.6
6.6

Your project is ambitious and aligns well with our experience in Unity multiplayer architecture, optimization, and large-scale gameplay systems. Our approach would begin with a production-ready foundation: dedicated Windows server architecture, scalable networking with interest management, mobile optimization (LOD, Occlusion Culling, Addressables, pooling), and a modular backend for future expansion. Development would be executed in phases: 1. Core networking, character controller, map, and server infrastructure. 2. Vehicles, combat, jobs, progression, economy, and monetization. 3. Clans, alliances, properties, pets, voice/text chat, localization, and admin panel. 4. Optimization, QA testing, balancing, deployment, and post-launch support. Before finalizing milestones, I would like to discuss expected player counts, networking technology preference (Mirror/FishNet/Photon), and whether any art assets are already available. Thank you for reviewing my proposal. Best regards, Ivane
$10,000 USD in 150 days
6.2
6.2

⭐⭐⭐⭐⭐ Create an Engaging Multiplayer Open-World Mobile Game from Scratch ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and see you're looking for a Game Development Studio to build a massive multiplayer mobile game. Look no further; Zohaib is here to assist you! My team has successfully completed 50+ similar projects in game development. We will create all assets, network systems, and designs from the ground up, ensuring high optimization for mobile devices. ➡️ Why Me? I have over 5 years of experience in game development, focusing on multiplayer and open-world games. My expertise includes Unity, mobile optimization, and network architecture. Additionally, I have a strong grip on game mechanics and user interface design, ensuring a seamless gaming experience for players. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. I'm excited to explore how we can bring your game to life! ➡️ Skills & Experience: ✅ Unity Development ✅ Multiplayer Networking ✅ Mobile Optimization ✅ Game Mechanics Design ✅ Asset Integration ✅ UI/UX Design ✅ Performance Tuning ✅ C# Programming ✅ Version Control ✅ Agile Methodologies ✅ Game Testing ✅ Post-Launch Support Waiting for your response! Best Regards, Zohaib
$3,400 USD in 2 days
5.9
5.9

As an experienced game development studio with a specialty in multiplayer mobile games, my team and I are well-equipped to tackle your ambitious open-world project. I understand the complexity of creating a game from scratch, and we have the technical prowess to ensure smooth performance, even on mobile devices. We specialize in Unity 3D, a tool well-suited for high-quality, optimized gameplay like what you're aiming for. Moreover, my team excels at developing interactive progression systems that engage and reward players, precisely what your game requires for its various tasks and mission system. Our expertise in creating economies and monetization schemes will also guarantee a well-balanced dual-currency system. Additionally, our experience with game environments will cater to your need for day/night cycles, property and pet rentals - elements that truly elevate the immersive experience. Lastly, we've consistently followed agile methodologies such as Kanban boards to maximize productivity effectively delivering fully-functioning" software within stipulated timelines. So, not only can we ensure completion of the project within 6 months but can also provide 1 month of FREE post-launch support to quickly address any issue that may arise. With all said, I believe my team's proficiency in designing and delivering complex projects, coupled with our intimate understanding of the gaming industry makes us an ideal match for your venture.
$4,000 USD in 7 days
4.7
4.7

Hi there, This project instantly caught my eye, so I had to reach out. The idea of developing a massive multiplayer open-world mobile game sounds like an exciting challenge. I've been working in the game development industry for several years, specializing in creating seamless and user-friendly gaming experiences. My skills range from coding to asset integration, ensuring a professional end product. I believe I am the right person for this project due to my experience in optimizing games for mobile devices and my commitment to speedy communication and fast turnaround times. Let me know if you are available for a quick chat! Regards, XRProConnect
$3,000 USD in 7 days
4.9
4.9

Hello, I am Cindy Viorina, an experienced game developer with a strong background in creating open-world multiplayer mobile games. Based on your project requirements, I understand that you need a comprehensive solution capable of handling all aspects of development, from asset integration to network architecture. I have extensive experience in developing similar projects and am confident in my ability to deliver high-quality gameplay and optimized performance for both iOS and Android platforms. My approach will involve building the game from the ground up, focusing on a robust architecture that facilitates up to 300 concurrent players on a Windows server. I will employ advanced techniques like frustum culling and interest management to ensure a seamless gaming experience. Additionally, I will implement a dual-currency system, comprehensive communication features, and robust environmental designs to meet your vision. I am available for real-time communication based on your time zone and can provide a demo or early-stage development milestone within 12 hours of project commencement. Q1: What specific features are priority for your initial launch? Q2: Do you have a preferred server setup for testing? Q3: Are there any specific performance metrics you'd like to achieve? I look forward to the opportunity to discuss this exciting project further and help bring your vision to life. What specific features would you like to prioritize in the initial stages of development? Best
$4,440 USD in 2 days
2.9
2.9

Hi there, As an experienced game development studio with an entrepreneurial spirit "Assignment | Aesthetic Logic" the responsibility of your ambitious multiplayer open-world mobile game project fits into our expertise bucket. Our skills range from 3D modeling and animation to Android app development, all which align perfectly with your objectives. We're delighted to know of your vision for a game reminiscent of familiar classics like GTA and the emphasis on optimization, performance and flexibility that leaves us ready to get creative. In regards to a "From Scratch" project situation as yours, our team thrives in such challenging tasks. We have an authentic experience in building complex architectures. Evident from our accomplishments with DevOps-driven projects, we are action-packers who ensure swift and quality results by maintaining dual-build workflows like you outlined in the project scope.
$4,000 USD in 3 days
3.0
3.0

Hi, I read the full description carefully. This is a large-scale Unity multiplayer mobile game, and the right approach is to build it in phases instead of trying to force every system into one unstable release. I’d start with the core architecture: Unity mobile client, Windows server build, optimized 4km² map structure, multiplayer synchronization, player movement, basic vehicles, simple jobs, economy, chat, minimap, Arabic/English localization, and admin tools. The key part here is performance and networking — especially interest management, LODs, object pooling, culling, and mobile optimization so the game can handle real players without collapsing under load. I have experience with Unity, C#, mobile game systems, multiplayer architecture, optimization, in-game economy, admin dashboards, and scalable feature development. I can help define a realistic milestone plan, deliver a stable MVP first, and then expand features like clans, voice chat, properties, pets, events, and monetization after the foundation is proven.
$5,000 USD in 50 days
3.0
3.0

Lets chat, a free consultation and no obligation. I understand you need a clean, professional, and user-friendly solution for your "Open-World Multiplayer Mobile Game" project. My skills in PHP, Java, JavaScript are a perfect fit for this project. While I am new to freelancer.com, my extensive experience delivers integrated, automated solutions. Regards, Jason McLachlan
$3,750 USD in 3 days
1.0
1.0

Hello, I’m Juan Pablo. I lead a senior Unity development team experienced in open‑world mobile games, real‑time multiplayer networking and full-stack game architecture. Your project requires building everything from scratch — map, systems, networking, assets, pipelines — and that aligns with the type of end‑to‑end productions we’ve delivered for large‑scale mobile titles. We work with Unity + DOTS‑ready patterns, custom interest‑management, Addressables, LOD pipelines, Microverse/Microsplat terrain workflows, and mobile‑optimized rendering. We’ve built vehicle systems, combat systems, job/mission frameworks, dual‑currency economies, AdMob integrations, clan/guild systems, safe/PVP zones, proximity voice chat, and multilingual UI. Our backend team handles Windows server builds, scalable networking, admin panels, and dual‑build workflows for prototype + production. We can deliver the full 4 km² map, 300‑player concurrency, all core systems, and hand over complete source code with 1‑month post‑launch support. If you’d like, I can prepare a technical production outline or a milestone plan before the interview.
$5,000 USD in 40 days
0.0
0.0

Hi, I can support your full-cycle Unity development for a large-scale open-world multiplayer mobile game with strong experience in Unity (C#), multiplayer networking, server architecture, optimization, and mobile performance tuning. I understand the complexity of building a GTA-style multiplayer world from scratch, including vehicle systems, mission logic, economy systems, social features, and large-scale map optimization. I can design a scalable architecture using techniques like LOD systems, culling strategies, addressables, object pooling, and efficient networked interest management to ensure stable performance on mobile devices with high concurrency. I also have experience building systems such as progression loops, in-game economies, real-time multiplayer interactions, and admin dashboards for live event control and game management. I focus on clean architecture, modular systems, and maintainable code for long-term scaling. I can work on both gameplay development and backend/server integration, ensuring smooth synchronization across clients and stable server performance.
$3,000 USD in 7 days
0.0
0.0

Riyadh, Saudi Arabia
Payment method verified
Member since Jan 5, 2021
$15-25 USD / hour
$1500-3000 USD
$30-100 USD
₹1500-12500 INR
$10-30 USD
$250-750 USD
₹600-1500 INR
₹37500-75000 INR
€750-1500 EUR
€2-6 EUR / hour
₹600-700 INR
₹750-1250 INR / hour
$10-30 USD
₹1500-12500 INR
$15-25 USD / hour
₹12500-37500 INR
₹600-1500 INR
₹750-1250 INR / hour
$30-250 USD
$30-250 USD
$250-750 USD
$750-1500 USD