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I want to bring the full PC experience of Knight Online to smartphones. The task is to convert the existing desktop codebase (client and server) into a mobile-friendly build that runs natively on both iOS and Android without losing the feel, look, or performance players expect from the original MMORPG. Key objectives • Preserve real-time multiplayer functionality, including party, guild, chat, and PvP systems. • Maintain high-quality graphics—models, textures, and visual effects should match or closely approximate the current PC assets while remaining performant on mid-range devices. • Rework UI, controls, and camera for intuitive touch interaction (tap, swipe, virtual joystick, on-screen buttons). • Optimise client and network code to minimise latency and battery drain. • Integrate existing login/auth flows and database calls so that player data and progression stay intact across platforms. Deliverables 1. Technical plan outlining engine choice (Unity, Unreal, or a proven alternative), architecture, and milestone timeline. 2. Playable alpha build on TestFlight and an Android APK showcasing one map with full multiplayer. 3. Beta build featuring complete maps, skills, inventory, and graphical polish. 4. Final release-ready packages for the App Store and Google Play, plus source code, build scripts, and documentation for future updates. Please highlight your experience with large-scale multiplayer ports, any previous mobile MMO work, and preferred tech stack when you respond.
Project ID: 40597846
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77 freelancers are bidding on average $4,628 USD for this job

Hello, I have carefully reviewed your requirement to bring the full Knight Online PC experience to iOS and Android while preserving the original MMORPG feel, real-time multiplayer systems, graphics quality, and existing player progression. I have 10+ years of experience in game development, multiplayer architecture, client/server systems, mobile optimization, and cross-platform deployment. For a project of this scale, I would first audit the existing client and server codebase, asset pipeline, networking layer, authentication flow, and database structure before finalizing the engine strategy. My preferred approach is Unreal Engine for preserving PC-level visuals and complex MMORPG systems, with a dedicated mobile optimization layer for mid-range Android and iOS devices. The project would be delivered in milestones: technical architecture and migration plan, playable multiplayer alpha (TestFlight + Android APK), beta with full gameplay systems and graphical polish, and final release-ready builds with complete source code, build scripts, and documentation. I have experience working with real-time multiplayer features such as party systems, guilds, chat, PvP synchronization, inventory management, skill systems, and persistent player data integration with existing backend infrastructure. I WILL PROVIDE 2 YEARS OF FREE ONGOING SUPPORT, COMPLETE SOURCE CODE OWNERSHIP, I eagerly await your positive response. Thanks, Christina
$3,500 USD in 40 days
8.4
8.4

Hi — Elias here from Miami. Porting Knight Online to mobile is not a simple code conversion. The real challenge is preserving the combat feel, multiplayer synchronization, and existing player data while redesigning the client for touch controls and mid-range device performance. I’d first audit the current client, server, rendering pipeline, protocols, and asset formats. Based on that review, I’d recommend Unity or Unreal for the mobile client while keeping the proven server systems wherever possible. The work should be phased: technical prototype, one-map multiplayer alpha, feature-complete beta, then store-ready optimization and release. My experience includes cross-platform mobile development, real-time systems, backend/API integration, performance optimization, authentication, and scalable application architecture. My preferred stack would be Unity with C#, native iOS/Android integrations where required, and the existing server/database stack retained behind secure APIs. Q1 – Which language and engine are used by the current PC client and server? Q2 – Do you own the complete source code, game assets, and mobile distribution rights? Q3 – How many concurrent players must the mobile version support per map or server? Looking forward to hearing from you.
$4,000 USD in 7 days
8.1
8.1

Hi, I can develop a native iOS and Android version of Knight Online while preserving the original PC MMORPG feel, combat responsiveness, multiplayer systems, and account progression. I have already developed similar large-scale multiplayer gaming platforms, including real-time PvP systems, guild/chat infrastructure, inventory and progression systems, and cross-platform client-server architectures. Preferred stack: Unreal Engine 5 (C++) for high-fidelity asset compatibility, mobile optimization, and authoritative multiplayer networking. Development approach: Audit existing client/server codebase and assets Port core gameplay and networking layer to Unreal Rebuild touch UI, virtual joystick, skill controls, and camera Optimize rendering, memory, latency, and battery usage Deliver Alpha → Beta → Release builds with full source and documentation Two questions: Do you have access to the complete Knight Online client and server source code, or only binaries/assets? What is the current server architecture and database stack (MSSQL/MySQL/custom), and are APIs already exposed for authentication and character data? I can also provide a milestone-based timeline with a playable multiplayer alpha as the first delivery. Thanks Rahul
$5,000 USD in 40 days
7.8
7.8

You're building Knight Online mobil port, where the real delivery risk is usually in the workflow details, not just the feature list. I have handled similar systems where the important part was turning a broad brief into a reliable working version. My approach would be to first isolate the highest-risk workflow in the brief, then deliver a small working milestone that proves the architecture before expanding the rest. For this project, I would focus especially on: - core workflow risks and acceptance criteria - integration points and edge cases - milestone planning and handover clarity If helpful, I can outline the first milestone around the riskiest part of the build before we start. Best, Dr. Syafiq
$4,000 USD in 21 days
7.1
7.1

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
$4,000 USD in 7 days
7.2
7.2

Hello, I have carefully reviewed your project requirements and understand your vision for bringing a complete PC MMORPG experience to iOS and Android, while preserving real-time multiplayer, progression systems, high-quality visuals, and responsive gameplay optimized for mobile devices. With 9+ years of game development experience and 200+ successfully delivered games, I have extensive experience with Unity, Unreal Engine, large-scale multiplayer systems, networking, backend integration, mobile optimization, and cross-platform game development. 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 scalable, well-documented builds with regular progress updates. Come inbox & let’s get started. Best regards, Sohaib Pasn Games
$3,000 USD in 90 days
6.8
6.8

Hi, I recently worked on a real-time multiplayer mobile project involving client-side optimization, server communication, live synchronization, and cross-platform deployment. We have experience with Unity/Flutter mobile development, API integration, real-time systems, and building performance-focused applications for Android and iOS. I can help convert your Knight Online experience into a mobile-ready MMORPG by creating a detailed technical roadmap, selecting the right engine architecture, adapting controls/UI for touch devices, optimizing graphics and networking, and connecting with your existing backend so player data, progression, chat, guild, and PvP systems remain intact. The development can be handled in milestones: technical assessment → playable multiplayer alpha → feature-complete beta → store-ready release with documentation and source code. Could you share the current PC client/server technology stack (C++, C#, Unity, custom engine, etc.) so I can suggest the best migration approach? Thanks, InvokeTech
$4,000 USD in 7 days
5.6
5.6

Hi, I reviewed your project: Knight Online mobil port. I can build a scalable SaaS or business application with user roles, admin dashboard, subscriptions/billing, secure APIs, database structure, reporting, and cloud deployment. I focus on clean architecture, maintainable code, clear milestones, and long-term support. Please message me so I can understand your required modules, user flow, timeline, and preferred technology stack. Portfolio: https://www.freelancer.com/u/irfanui Regards, Mohammad 4th Dimension Partners
$4,400 USD in 10 days
6.0
6.0

Hello Dear, Hello There! I'm Md Toriqul Islam, and I'm excited to partner with you. I can dive into your project immediately. I have over 10 years of experience developing multiplayer applications, mobile solutions, backend systems, and performance optimized cross platform software. I understand you want to bring Knight Online to iOS and Android while preserving multiplayer gameplay, graphics, authentication, and the original MMORPG experience. I can help plan and implement a scalable architecture, optimize networking, and deliver a smooth mobile experience. I have rich experience in Unity, Unreal Engine, C#, C++, networking, Android, iOS, multiplayer architecture, API integration, and database systems. I'm ready to start immediately and would be happy to discuss the technical roadmap and milestones. Looking forward to hearing from you. Best regards, Md Toriqul Islam
$3,000 USD in 20 days
5.5
5.5

A successful SaaS needs more than features—it needs a structure that can grow. For Knight Online mobil port, I can build user roles, admin controls, subscriptions, billing, reports, secure APIs, and a scalable database. I work with clear milestones and maintainable code so future upgrades remain simple. Send me the required modules, user flow, and preferred launch timeline, and I will outline the best technical approach. Portfolio: https://www.freelancer.in/u/heenafullstacken Best regards, Heena A Plus IT House
$4,400 USD in 10 days
5.0
5.0

Hello, Bringing a classic MMORPG to mobile while keeping the original gameplay and performance is an exciting challenge. I have strong experience with multiplayer game development, mobile optimization, networking, and cross platform releases. I understand how important it is to preserve the original feel while adapting controls, camera movement, and performance for phones. I would love to schedule a short discussion to review the current client and server, engine options, and project milestones. I am confident we can deliver a mobile version that stays true to the original experience. I will share my portfolio in chat I look forward to hear from you. Thanks Best Regards, Mughira
$4,000 USD in 7 days
5.1
5.1

With my extensive experience as a full-stack developer with over 8 years of proficiency, I have successfully completed more than 200 projects and your project, to bring Knight Online to mobile platforms is right up my alley. Not only do I possess the skills for successful Android mobile app development, which is what your project needs, but I am also well-versed with other computing languages like React, Laravel, WordPress, Shopify, and PHP. My versatility in different coding languages meshes perfectly with this project as it requires the conversion of the existing desktop codebase into a mobile-friendly build for both iOS and Android. My previous work also includes large-scale multiplayer ports and mobile MMOs. This demonstrates my unique understanding of your specific needs. Moreover, I am immensely familiar with Unity and its proven capabilities in mobile game development. I intend to craft a strategic technical plan outlining engine choice (Unity), architecture, and main milestones to meet your project’s demand for high-quality graphics while remaining performant on mid-range devices. Lastly, I believe that effective communication plays a vital role in a project's success; you will benefit from my transparent communication pattern throughout the entire process and beyond. Hoping we could collaborate soon on making Knight Online Mobile Version a reality!
$4,000 USD in 7 days
4.8
4.8

Hi, Aashiq (Ash) here from Cape Town, South Africa. This project instantly caught my eye, so I had to reach out. I see you are looking to bring the full PC experience of Knight Online to smartphones while preserving real-time multiplayer functionality and high-quality graphics. That’s no small feat! I have extensive experience in large-scale multiplayer ports and mobile MMOs, having helped several games transition smoothly to mobile platforms. My focus is on creating high-performing, user-friendly experiences while ensuring the essence of the original game remains intact. Feel free to ask for samples of my successful projects. Based on what you mentioned, here is how we would approach the project: - Assess the existing codebase for compatibility and optimization - Choose Unity for its robust mobile capabilities - Develop a detailed technical plan and timeline - Create a playable alpha build with one map and fully functional multiplayer - Iterate through beta testing to refine features and polish graphics You can count on clear communication throughout the project. I’ll deliver a seamless, integrated, user-focused solution optimized for performance, minimizing latency and battery drain. Best Regards, Aashiq
$4,500 USD in 7 days
4.7
4.7

Hey , Good afternoon! I’ve carefully checked your requirements and really interested in this job. I’m full stack node.js developer working at large-scale apps as a lead developer with U.S. and European teams. I’m offering best quality and highest performance at lowest price. I can complete your project on time and your will experience great satisfaction with me. I’m well versed in React/Redux, Angular JS, Node JS, Ruby on Rails, html/css as well as javascript and jquery. I have rich experienced in Game Development, Android App Development, iPhone, Unity, Unity 3D, Android, Mobile App Development and iOS Development. For more information about me, please refer to my portfolios. I’m ready to discuss your project and start immediately. Looking forward to hearing you back and discussing all details.. Many thanks
$4,440 USD in 2 days
3.9
3.9

Hello! I've been recommended by a Freelancer Recruiter. Nice to meet you. I've just completed a similar mobile MMORPG port for another client who needed to preserve real-time multiplayer functionality across platforms. I'm the perfect fit for this project because I've successfully optimized massive multiplayer game codebases for seamless mobile experiences, leveraging top-notch engines like Unity and Unreal, while integrating robust login/auth flows and database calls. We'll leverage Unity as our engine of choice, utilizing its powerful multiplayer features, and optimize client and network code to ensure minimal latency and battery drain. We'll also rework the UI, controls, and camera for intuitive touch interaction, maintaining high-quality graphics that match the PC assets. I've achieved notable results in mobile MMO work, such as reducing manual work by 70% in a similar project, and delivered multiple 5-star reviews on large-scale multiplayer ports and mobile MMOs. Happy to hop on a quick call (no obligation) to discuss architecture, timeline, and a clear plan + quote. Chris | Lead Developer | Novatech
$4,000 USD in 7 days
3.8
3.8

Greetings! I can convert Knight Online to mobile with real-time multiplayer, high-quality graphics, and intuitive touch controls. I will preserve party, guild, chat, PvP, and player progression. I can use Unity or Unreal for performance across mid-range devices. I will deliver a technical plan, alpha and beta builds, and final store-ready packages with source code and documentation. I have experience with large-scale multiplayer ports and mobile MMO development. Let me know your preferred engine and timeline. Thanks, Revival
$3,000 USD in 30 days
3.5
3.5

Hi, I am Karthik, a Senior Mobile & Game Architect with 15+ years of experience porting large-scale C++/PC MMORPGs, optimizing low-latency network architectures, and shipping cross-platform mobile games (Unity/Unreal). How I Will Port Knight Online to Mobile: Engine & Core Architecture: Port PC codebase/assets into Unity (C#) or Unreal Engine 5, optimizing legacy textures, models, and shaders for mid-range iOS and Android GPUs while keeping full visual fidelity. Touch UI & Controls Optimization: Re-architect the HUD, inventory, skill bars, and camera controls for intuitive touch interactions (virtual joysticks, smart-targeting, gesture controls). Network & Cross-Play Logic: Optimize socket connections, packet structure, and client-side prediction to handle real-time PvP, party, guild, and chat systems with minimal latency and battery consumption. Database & Multi-Platform Sync: Connect existing auth flows and backend database schemas to preserve seamless player data and account progression. Milestone Execution: Deliver a technical roadmap, playable multi-player Alpha (TestFlight/APK), feature-complete Beta, and final App Store / Google Play release packages with full source code. Why Choose Me? 15+ Years Tech Expertise: Master of game engine porting, C++/C# networking, mobile graphics optimization, and enterprise backend integrations. Let’s connect via chat to discuss your current codebase structure and begin the technical roadmap! Best regards, Karthik
$4,900 USD in 7 days
3.1
3.1

Hi, Thanks for sharing your project. It aligns well with work I’ve successfully completed for other clients, and I’m confident I can deliver a high-quality solution tailored to your requirements. Before providing an accurate timeline, scope, and budget, I’d like to clarify a few key details to ensure we're aligned from the start. Freelancer’s proposal character limit makes it difficult to cover everything thoroughly here. If you're available, let's connect via chat. I can walk you through similar projects I've completed, discuss the best approach for your specific requirements, and answer any questions you may have. Once I understand your expectations, I'll provide a clear execution plan with realistic timelines and pricing. I’m ready to get started as soon as we finalize the details and look forward to working with you. Best regards, Mayank Sahu
$3,000 USD in 10 days
2.7
2.7

Hi, Recreating Knight Online's full PC experience on mobile is ambitious but absolutely doable with the right approach to preserve key gameplay and graphics fidelity. Ensuring real-time multiplayer features like guilds and PvP transition seamlessly will be critical here. My work on a mobile MMORPG migration project shows how to optimize network code and adapt UI controls for intuitive touch, maintaining performance on mid-range devices without sacrificing experience. Projects like this prove expertise in Android and iOS apps with a focus on multiplayer mechanics. Plan: 1. Draft a detailed technical plan exploring Unity and Unreal engines to decide optimal architecture. 2. Develop and deliver an alpha build on TestFlight and Android APK featuring one full multiplayer map. 3. Progress to beta with full features including inventory and skills, refining graphics. 4. Finalize app store-ready packages plus complete source code and documentation for future updates. I’ll propose an initial timeline after confirming your preferred engine and access to the codebase. What unique mobile interaction features do you envision enhancing Knight Online's classic gameplay? Best,
$4,440 USD in 1 day
2.7
2.7

Hello! Your project requires a complex MMORPG mobile port that preserves Knight Online’s real-time multiplayer experience, visual quality, and progression systems while adapting the client, server, controls, and performance for iOS and Android, and I have experience with Unity/Unreal development, multiplayer architecture, mobile optimization, and large-scale game systems. My approach is to analyze the existing codebase, select the best mobile engine strategy, refactor client rendering and networking layers, redesign UI and controls for touch gameplay, optimize assets and performance, then validate multiplayer features, database integration, and release builds across both platforms. I understand that the key challenge is maintaining the original MMO feel while ensuring stable performance on mobile devices. I'd be happy to discuss the current architecture, server technology, and migration strategy for this port.
$3,000 USD in 7 days
2.3
2.3

Mersin, Turkey
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