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I already have a sizeable repository of ready-made game scripts, assets, and demo scenes. The core mechanics compile, but the project still needs structured integration, bug fixing, and a clear path to a publishable build. Platform and genre are flexible at this point—we can keep it mobile, web, or desktop depending on what the current modules suit best, and I’m open to your professional advice. Here’s what I need next: • Audit the current codebase, remove redundancies, and squash obvious bugs. • Hook up any missing systems—audio, save/load, input mapping, lightweight AI, and UI polish. • Assemble a playable vertical slice that clearly demonstrates the core loop. • Produce a clean, well-commented build that runs on at least one platform (Android, WebGL, or Windows). Acceptance criteria • No critical runtime errors. • Build size stays under 200 MB. • Stable 60 fps on a mid-range handset or integrated-graphics PC. • Source compiles without warnings in the latest stable Unity or Godot (your choice; a port is fine if faster). Please include links to past projects where you jumped into existing code and shipped a working game. A brief outline of how you’d evaluate my current assets will help me gauge fit. I’m ready to get started as soon as you can dive in.
Project ID: 40161329
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Active 3 mos ago
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45 freelancers are bidding on average $21 USD/hour for this job

I have extensive experience in Android, Game Design, Unity 3D, Game Development, and Game Testing, making me a great match for the "Finish Game From Existing Code" project. I am confident in my ability to audit the codebase, fix bugs, integrate missing systems, and deliver a polished playable slice. My track record includes successfully jumping into existing codebases to ship working games. I am ready to adjust the budget based on a thorough project scope discussion. Let's kickstart this project and achieve your goals together. Please go through my profile its 15 years old see the work I did over the years. No Win No Fee means that your satisfaction is my utmost priority. Lets discuss the job details. Moreover, I am willing to start the job and perform tasks without even being hired; it is just to show my commitment to this project. Looking forward to hear from you.
$18 USD in 3 days
6.7
6.7

Hello plz check my profile and clients outstanding feedback related to your project- I'll develop your gaming project according to your requirement- I'm senior video game developer with 9+ year experience with my professional developers & artist team & i have developed alot of small/medium & big games project of Arcade,simulation, puzzle , hyper causal , shooting , casino, card, racing,multiplayer, open world Nft blockchain games & other online/offline games according to my clients requirement for different platform (Android/ios/PC/web/AR/VR) Quality graphics, Fast service suitable price, unlimited revision & 100% client satisfaction is my first priority Come inbox & lets start Thanks
$15 USD in 40 days
6.8
6.8

From auditing, debugging, and optimizing your game's codebase to delivering a clean, well-commented build that runs smoothly on multiple platforms, my expertise as a Unity Game Developer lends itself perfectly to the project at hand. I have a proven track record of diving into existing projects, identifying redundancies and bugs, and restructuring and integrating code to ensure maximum efficiency. In fact, I recently took over a large-scale Unity game project with significant codebase issues and successfully transformed it into a strategic masterpiece.
$20 USD in 40 days
6.5
6.5

Greetings! I'm Julio Trasferetti, experienced Game Developer and Computer Engineer. My past work experience includes more than 14 years in the game industry. Although there isn't much info about the base code, I feel confident to help you. My workflow is very transparent, and communication is the base (I've samples to share). Bests, - J
$20 USD in 40 days
4.9
4.9

Hello, I’m excited about the opportunity to take your existing Unity/Godot repo and turn it into a clean, shippable vertical slice. I can start by auditing the project structure, identifying redundant scripts/assets, fixing compile/runtime issues, and documenting a clear integration plan so the codebase becomes maintainable instead of “demo-scene driven.” From there I’ll wire the missing glue systems (input mapping, save/load, audio, basic AI/state logic, and UI polish), then assemble a single playable vertical slice that demonstrates the core loop end-to-end with reliable scene flow and predictable state. I’ll optimize for a publishable build target (Android, WebGL, or Windows) while keeping the build under 200MB and holding a stable 60fps by profiling early (CPU/GPU/frame timings) and removing wasteful update loops, allocations, and oversized assets. If you share repo access, I’ll quickly map what’s already solid vs what needs replacement, then ship a warning-free build on the chosen engine version with clear comments and a short handover note so you can keep iterating confidently. Best regards, Juan
$20 USD in 40 days
4.6
4.6

Hello As an avid game developer with extensive experience across multiple genres and platforms, I'm confident that I'm the right fit to bring your existing game project to life. My skills in Unity3D, C#, and mobile game development coupled with my proficiency in fixing bugs, integrating systems like audio, save/load, input mapping, lightweight AI and UI polishing make me the ideal candidate for this project. Having led the development of numerous successful mobile apps and games throughout my decade-long career, I have an uncanny knack for Squashing bugs and optimizing app performance that is essential for your project. For instance, I once worked on a VR project where I managed to optimize the rendering pipeline, skyrocketing frame rates by an astounding 40%. Additionally, my familiarity with porting projects (if required) will ensure smooth selection of suitable platforms for your game. Best Regards, Timothy B.
$20 USD in 40 days
4.8
4.8

Hi there, I’ve reviewed your project, and I can help turn your existing scripts and assets into a polished, playable vertical slice. My approach would be to first audit the codebase for redundancies and bugs, then hook up missing systems like audio, save/load, input mapping, and lightweight AI, all while keeping UI and performance clean. I’ll deliver a stable, well-commented build (Android, WebGL, or Windows) that hits 60 FPS and stays under 200 MB, ready for testing or pitching. Looking forward for your positive response in the chatbox. Best Regards, Hassan H
$20 USD in 40 days
4.4
4.4

Hello, I’d be glad to apply for this project. I have strong experience auditing and integrating existing game repositories, cleaning up codebases, and delivering stable builds across Unity and Godot. My approach would begin with a structured evaluation of your current scripts, assets, and demo scenes to identify redundancies, performance bottlenecks, and missing systems. From there I’d implement audio, save/load, input mapping, lightweight AI, and UI polish, then assemble a vertical slice that clearly demonstrates the core loop. I’ll ensure the final build compiles without warnings, runs at 60 fps on mid‑range hardware, and stays under 200 MB. I’ve successfully jumped into existing projects before and shipped working games, and I can share portfolio links to demonstrate this. I’m confident I can provide a clean, well‑commented build ready for deployment.
$20 USD in 40 days
4.0
4.0

Hello ? I’m a senior game & mobile developer with 11.5+ years of experience, including Unity-based production games and interactive apps. I frequently step into partially built projects, clean them up, and drive them to a playable, publishable build. How I’ll handle your project Phase 1 – Audit & cleanup Review scripts, assets, and demo scenes Remove redundancies, unused assets, and dead code Fix obvious bugs, warnings, and integration gaps Phase 2 – Systems integration Hook up audio, input mapping, save/load, and UI flow Lightweight AI or gameplay logic where needed Performance pass to ensure stable 60 FPS Keep build size under 200 MB Phase 3 – Vertical slice Assemble a playable core loop that clearly shows the game’s value Deliver a clean, well-commented build for: Android or WebGL or Windows (best fit based on your modules) Engine & workflow Prefer Unity (latest LTS) for fastest results Godot port possible if it meaningfully improves speed or structure Deliverables ✔ Playable vertical slice build ✔ Clean source compiling without warnings ✔ Stable runtime (no critical errors) I’ve shipped games by jumping into existing repos, stabilizing them, and pushing to release. Happy to share links to past projects and walk you through how I’ll evaluate your assets in the first few days. If you want momentum instead of a restart, let’s dive in. ?
$20 USD in 40 days
3.6
3.6

Hello, I’m a Unity Game Developer with strong experience in auditing existing codebases, integrating gameplay systems, optimizing performance, and shipping production-ready builds across Android, WebGL, and Windows. I’ve frequently joined projects mid-development and transformed fragmented modules into stable, publishable games. For your project, I’ll begin with a structured code and asset audit, removing redundancies, fixing logic and runtime issues, and aligning architecture with best practices. I’ll integrate missing systems including audio pipelines, save/load flow, input mapping, UI polish, and lightweight AI, followed by assembling a playable vertical slice that clearly demonstrates the core gameplay loop. I focus heavily on performance optimization, clean architecture, and maintainable, well-commented code, ensuring 60 FPS stability and build sizes under control. I can work in Unity or Godot, whichever gets us to a shippable build faster. Portfolio and shipped projects available on request. Ready to dive in immediately.
$15 USD in 40 days
2.5
2.5

Hi, how are you doing? We are a small team of developers and designers with experience in 3D modelling and game development. I am confident that we can bring your project vision to life with close co-ordination and clear communication. Looking forward to discuss the project in further details with you. Regards, Hamza Ahmed
$20 USD in 40 days
2.3
2.3

With over 8+ years of hands-on Unity game development experience under my belt and an impressive portfolio, I am well-equipped to optimize your existing game and deliver a seamless, enjoyable gaming experience. From my profile, you'll see that I can create environments from assets and shaders, which aligns perfectly with your project's needs. I’ve also proven adept at integrating ads into games, which can help monetize your finished product. My skills extend beyond just code writing—I have a keen eye for detail and can reduce build sizes while maintaining stability. Equally comfortable working on mobile, web, or desktop platforms, I’ll ensure the chosen modules fit best: be it Android, WebGL or Windows. In your case, my experience with Godot can be helpful as well; a port is always an option. In terms of evaluation, I’ll apply a meticulous approach. I’ll begin by thoroughly auditing your existing codebase and not only remove redundancies but also fix obvious bugs. Simultaneously, I will connect vital systems like audio handling, UI polishing the save/load function to guarantee the final build is robust. My goal is to demonstrate a smooth core loop in the first playable vertical slice while keeping the size well within parameters, at an optimal 60fps on integrated-graphics PCs or smartphones. Rest assured that challenge and speed are my companions through this journey—I’m ready to dive in!
$20 USD in 40 days
2.1
2.1

Hello, With a strong background in Web and App Development, seasoned with over 6 years of experience, I possess the technical skills needed to tackle all the aspects of your project. Throughout my career, I've built scalable applications and automation bots - a domain that requires excellent problem-solving skills and an eye for detail, skills that become critical when auditing existing code. Additionally, I have worked extensively with PHP, Node.js and JavaScript which will aid me as I dive into your current coding modules. I understand the importance of efficient workflow systems in driving business forward. Having built Intelligent Automation Bots that streamline complex workflows, I'm no stranger to working with pre-existing solutions. Sharing a project where I jumped into existing code and shipped a fully functional game will showcase not just my competence but also my commitment. I value open communication and fastidious documentation, two elements crucial for improving your existing setup. Lastly, let me assure you that working with me isn't just about me delivering your project - it's about forming a partnership for long-term support and maintenance even after the project's completion. Choosing me as your developer is not only selecting technical acumen but reliability and dedication to getting the job done right. It would be an honor to work with you on this exciting game development venture. Thanks!
$30 USD in 28 days
1.4
1.4

Hello, how are you? I've carefully reviewed the description and I am confident I can deliver it on time. I understand that you need a structured integration of your game scripts and assets, alongside bug fixing and preparing a publishable build, and I have hands-on experience in Unity and game development. Here is my approach as follows: - Conduct a thorough audit of your current codebase to identify and eliminate redundancies while addressing any obvious bugs. - Integrate any missing systems, including audio, save/load features, input mapping, lightweight AI, and UI improvements to enhance the user experience. - Assemble a playable vertical slice that effectively showcases the core gameplay loop, followed by producing a clean, well-documented build that runs smoothly on your chosen platform. I am ready to start immediately and can deliver the result fast. I’ve previously worked on projects where I jumped into existing code and successfully shipped a working game, such as [insert link to a relevant past project]. I'd love to discuss in more detail how I can evaluate your current assets and help you reach your goals. Best Regards.
$20 USD in 40 days
0.0
0.0

Hello Roshithw, I'm Giang V, an experienced Android developer with over 4 years of expertise in game development. I understand your requirement for finishing the game from existing code. I will audit the current codebase, remove redundancies, fix bugs, integrate missing systems, and create a playable vertical slice that showcases the core loop. I will ensure a clean, well-commented build that runs smoothly on your preferred platform. Let's discuss further details in chat to provide a tailored solution for your project. Regards, Giang V
$20 USD in 40 days
0.0
0.0

Codebase Audit: Review all scripts, assets, and demo scenes to identify redundancies, unused assets, and obvious bugs. Create a report summarizing issues, dependencies, and potential improvements. Bug Fixing: Prioritize critical runtime errors, memory leaks, and performance bottlenecks. Fix input handling, physics issues, AI logic, and scene transitions to ensure stable operation. System Integration: Implement missing core systems such as audio management, save/load functionality, input mapping, simple AI behaviors, and UI polish. Ensure all modules communicate cleanly. Vertical Slice Assembly: Select representative scenes and mechanics to assemble a playable vertical slice demonstrating the core loop. Test for flow, engagement, and stability. Platform Build: Choose the optimal platform based on existing modules. Optimize build size (<200 MB) and performance (60 fps target). Ensure assets are compressed and scripts are efficient. Code Quality & Comments: Refactor scripts for readability, add thorough comments, and remove warnings. Maintain a clean structure that allows future expansion. Testing & QA: Run extensive playtests on target hardware (mid-range mobile or PC) to confirm stability, performance, and user experience.
$20 USD in 80 days
0.0
0.0

⭐Hi, I’m ready to assist you right away!⭐ I believe I’d be a great fit for your project since I have extensive experience in game development, specifically in Unity and GameMaker. My expertise includes debugging, integration of systems, and optimizing game performance.
$20 USD in 19 days
0.0
0.0

⭐⭐⭐ GAME PROJECT INTEGRATION & PUBLISHABLE BUILD ⭐⭐⭐ Hello, I can step into your existing codebase and turn it into a stable, playable, and publishable vertical slice. I have hands-on experience inheriting partially built Unity projects, cleaning them up, integrating missing systems, and shipping working builds under performance constraints. My approach: • Audit the repo to identify redundancies, broken links, and architectural issues • Fix critical bugs and compilation warnings • Integrate missing systems (audio, save/load, input, UI polish, light AI) • Assemble a clear vertical slice that demonstrates the core gameplay loop • Optimize performance to hit stable 60 FPS and keep build size under 200 MB Delivery: • Clean, well-commented source compiling in latest stable Unity (or Godot if faster) • A playable build for Android, WebGL, or Windows • Clear notes on what was fixed, improved, and ready for expansion I focus on shipping, not just prototyping—clean builds, predictable performance, and code you can continue with confidently. Ready to start immediately
$20 USD in 40 days
0.0
0.0

Hi there, I’m confident I can turn your sizeable repo into a polished, publish-ready build. I’ll start with a focused audit to remove redundancies and squash bugs, then wire missing systems (audio, save/load, input mapping, lightweight AI, and UI polish). I’ll assemble a playable vertical slice that clearly demonstrates the core loop and deliver a clean, well-commented build for Android/WebGL/Windows. I’ll keep the total build under 200 MB and target a steady 60 fps on mid-range devices, with a smooth port to Unity or Godot. I can share concrete past project links showing I’ve dived into existing code and shipped working games upon request, and I’ll include a brief asset-evaluation plan to show fit. Which platform should we target first for the vertical slice (Android, WebGL, or Windows), and are there any critical modules you want me to prioritize during the audit? Talk soon, Best regards,
$50 USD in 35 days
0.0
0.0

Hi there, I’ve carefully reviewed your Finish Game From Existing Code brief and I’m confident I can deliver a polished vertical slice and a clean publish-ready build. With 10+ years shipping Unity and Godot projects and a track record of integrating existing codebases, I’ll audit your repo, prune redundancies, and squash obvious bugs quickly. I’ll wire in missing systems—audio, save/load, input mapping, lightweight AI, and UI polish—and assemble a playable core loop that clearly demonstrates your gameplay loop. My plan targets a single, well-optimized build that runs on Android, WebGL, or Windows, stays under 200 MB, and maintains a steady 60 FPS on mid-range hardware, with clean, well-commented code. I can share links to past projects where I jumped into existing code and shipped a working game; asset-evaluation outline available on request; Best regards,
$25 USD in 1 day
0.0
0.0

Kandy, Sri Lanka
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