
Closed
Posted
I'm looking for an experienced developer to create a killing simulator. The game should be available on both mobile and PC platforms. Key Requirements: - Immersive graphics and sound design - Engaging gameplay mechanics - User-friendly interface for both platforms - Robust AI for challenging gameplay - Multiplayer functionality is a plus Ideal skills and experience: - Proficiency in game development for mobile and PC - Strong background in simulation and combat games - Experience with AI integration - Knowledge of UX/UI design for gaming applications Please provide a portfolio with similar projects.
Project ID: 40677834
81 proposals
Remote project
Active 2 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
81 freelancers are bidding on average $20 USD/hour for this job

With over 30 years in the industry, Falcon Interactive and I, Miodrag, have consistently delivered high-end games and mobile apps that capture users' imagination while maintaining the quality and performance required for a gratifying experience across different platforms. As adept game developers, we have produced more than 300 games across various genres including combat and simulator games. Our titles on Steam such as Ava Hunt and Thieves of the Lost demonstrate our proficiency with the Unreal Engine – a crucial skill for your project. AI integration and multiplayer functionality are also areas where we excel. Our portfolio includes successful simulation games that not only boast immersive graphics, engaging gameplay, but also incorporate robust AI for challenging scenarios – an essential element in your game proposition. Additionally, we have equipped our multiplayer games with alluring features like leaderboards, achievements, and in-app purchases to encourage competition and ensure lasting interest from your user base. We know that effective game development also relies heavily on UX/UI design skills. Our prowess in this sphere builds enjoyable and user-friendly interfaces crafted explicitly for mobile and PC environments. Having said that, providing continuous improvement based on clients' feedback is intrinsic to our service methodology. Let's team up to build an incredibly captivating and upscale Killing Simulator!
$20 USD in 40 days
9.4
9.4

Hello, Multi-Platform Killing Simulator Development {{{ I HAVE CREATED SIMILAR COMBAT, SIMULATION, AI, AND MULTI-PLATFORM GAMES BEFORE AND I CAN SHOW YOU }}} I have carefully reviewed your game development requirements and understand that you need an engaging combat-focused simulator that delivers a consistent experience across both mobile and PC platforms. I have 11+ years of software and automation development experience and have worked on game development, AI systems, interactive applications, simulations, and multi-platform projects before. I can show you relevant previous work so you can see my experience with this type of project. I can develop the game with immersive visuals, responsive controls, sound effects, engaging gameplay mechanics, and a clean interface optimized separately for touchscreen and keyboard/mouse controls. I will implement AI-controlled opponents with configurable difficulty levels, decision-making behavior, navigation, and combat logic to provide challenging and varied gameplay rather than predictable enemy behavior. The architecture can be designed for both mobile and PC from the beginning, with performance optimization, scalable graphics settings, efficient asset management, and platform-specific UI considerations. Thanks, Christina
$20 USD in 40 days
8.4
8.4

Dear Jeff, I am highly interested in developing your multi-platform killing simulator tailored for both mobile and PC. With over 10 years of comprehensive full-stack development experience, including expertise in mobile and web applications, I possess the technical proficiency needed for immersive graphics, engaging gameplay, and robust AI integration that your project demands. I understand the significance of refined UX/UI design in gaming, and I am skilled in crafting intuitive user interfaces for diverse platforms. My experience with AI automation and simulation programming equips me to develop challenging and dynamic gameplay mechanics. Additionally, I can incorporate multiplayer functionality as an enhanced feature. I am committed to providing well-documented, maintainable code and transparent, daily communication throughout the project lifecycle. Please reach out to discuss your detailed requirements, and I can share relevant portfolio examples of similar development projects. Thank you for considering my proposal. Best regards, Özgür
$20 USD in 40 days
7.8
7.8

With a background in game development for both mobile and PC platforms, specializing in simulation and combat games, I'm excited about creating your killing simulator. Could you share more details about the specific gameplay mechanics you envision for the multiplayer mode to ensure an engaging user experience? Regards, Yogesh Kumar
$16 USD in 31 days
7.4
7.4

Hello, I have carefully reviewed your requirements for developing an immersive combat simulation game for both mobile and PC platforms, with engaging gameplay, challenging AI, high-quality graphics and sound, and a user-friendly interface. With 9+ years of game development experience, I have strong expertise in Unity, Unreal Engine, C#, AI systems, combat mechanics, simulation gameplay, PC and mobile optimization, and multiplayer architecture. You will get: 1. Quality optimized work for mobile and PC 2. Engaging combat and simulation mechanics 3. Advanced AI systems for challenging gameplay 4. Immersive graphics, sound, and user-friendly UI/UX 5. Scalable architecture with multiplayer options 6. Complete NDA & IP protection I will discuss the complete gameplay concept, preferred engine, AI systems, combat mechanics, multiplayer requirements, timeline, and development milestones based on your requirements. Available to start immediately. Come inbox & let’s get started. Best regards, Sohaib Pasn Games
$20 USD in 40 days
6.8
6.8

Hello!! A polished multi-platform simulator game can be developed with responsive gameplay, smooth controls, optimized performance, and a scalable architecture that delivers a consistent experience across the required platforms. * Which platforms should the game support first—PC, mobile, or console? * Do you already have the game design, assets, or prototype? * What core gameplay mechanics and features are required for the first version? The solution will include game development, core gameplay mechanics, player controls, UI/menus, scoring and progression systems, audio integration, asset implementation, platform optimization, performance tuning, testing, and deployment-ready builds. Relevant Unity/Unreal, simulation, mobile, PC, and cross-platform game projects have been completed before, focusing on responsive gameplay and stable performance across different devices. Let us discuss the game mechanics and target platforms so we can plan the development around your exact requirements. Best regards Farhin B
$26 USD in 40 days
6.9
6.9

Hello, A cross-platform combat simulator needs a gameplay architecture that can support different input models without making the mobile version feel like a stripped-down PC port. The first milestone should establish the core simulation loop, AI behavior, combat feedback, and platform-specific controls before multiplayer is added. For the AI, I would prioritize predictable state-based behavior and difficulty scaling over unnecessarily complex systems, while keeping rendering and asset budgets appropriate for both mobile and desktop hardware. The major concern is that "immersive graphics," robust AI, and multiplayer can represent a much larger scope than the listing specifies, so the initial build should be treated as a focused prototype. Have a nice day
$18 USD in 40 days
6.0
6.0

With over a decade of experience in diverse areas of technology, I believe I have precisely the skill set you're looking for in building your multi-platform killing simulator. My comprehensive understanding of game development for both mobile and PC along with my expertise in simulation and combat games perfectly aligns with your project's requirements. Moreover, I bring an added bonus of being deeply familiar with AI integration which will be valuable in creating the challenging gameplay you desire. Throughout my career, I've developed an aptitude for delivering immersive graphics and sound design, engaging gameplay mechanics, as well as robust AI functionalities. Not to mention, my knowledge in UX/UI design for gaming applications will ensure that your users have a comfortable, seamless experience across platforms. Additionally, while not mentioned in your initial call, I have significant experience in enabling multiplayer functionality in various games which I can leverage to further enhance your project. For me, technology isn't just a job; it’s my passion. That's why I don't settle for anything less than extraordinarily high-quality output. When you choose me for this project you choose efficiency, reliability, clear communication and meticulous attention to detail. Willingness to stretch further has been essential to my decade-long success—comfortable handling everything from design to development to deployment. Let's make this dream a reality together.
$20 USD in 40 days
5.9
5.9

Hi, The first thing I would define is the exact combat loop, because AI behavior, weapon mechanics, physics, map size and multiplayer requirements will determine most of the architecture and performance work. I have experience with Unity-based game development, gameplay systems, realtime state and cross-platform application delivery. For PC and mobile I would use Unity/C#, with shared gameplay logic and platform-specific controls/UI. I would build the first milestone around one complete playable loop: player movement and combat, responsive controls, enemy AI, damage/state systems, sound/visual feedback and a representative environment. From there, progression, additional content and multiplayer can be expanded without rebuilding the core. Performance would be profiled on mobile from the beginning rather than treating optimization as a final cleanup task. My rate is $19/hour and I can start immediately after award.
$19 USD in 40 days
6.1
6.1

✋ Hi, the main challenge here is not just building combat mechanics. It is creating one gameplay system that feels responsive on both mobile and PC while keeping AI, animation, controls, performance, and content consistent across platforms. I’d first define the core gameplay loop, camera model, combat rules, AI behaviors, and control schemes before expanding graphics or multiplayer. A small vertical slice should prove movement, targeting, enemy reactions, damage flow, and performance on both platform types before the project grows into a full simulation. Multiplayer should also be treated as a separate architectural decision because it can significantly change networking, state synchronization, and backend requirements. Do you want the first version to be single-player only, or must online multiplayer be included from the beginning?
$22 USD in 30 days
5.7
5.7

Hi, I see you're aiming to create an engaging killing simulator with immersive graphics and AI-driven gameplay for both mobile and PC platforms. This project will likely involve a solid foundation in game mechanics to ensure an enjoyable user experience, particularly given the robust AI requirements you mentioned. My approach would involve defining the project scope, architecting a responsive design that works seamlessly across Android and potentially other platforms if desired, followed by development, testing, and a smooth launch. It would be beneficial to know if you have existing wireframes or user flows that can guide the development process. I'm committed to maintaining clean architecture and reliable performance, ensuring that your game delivers a polished experience from day one. I focus on creating a release-ready app that holds up under real user conditions, especially important in a competitive space like gaming. Could we discuss your timeline and vision in more detail? I’d love to understand better what you envision for this project. Regards, Mohammad
$20 USD in 40 days
5.4
5.4

Hello, I can develop your cross-platform combat/simulation game for both mobile and PC with immersive gameplay, responsive controls, engaging AI-driven enemies, polished UI, graphics/sound integration, and scalable architecture. I can use Unity or Unreal Engine depending on the required visual quality and performance, with multiplayer support designed to be added or expanded smoothly. I’ll handle core gameplay, AI behavior, player controls, UI, optimization, testing, and platform builds. Please share your game concept, reference games, and preferred engine so I can suggest the best development approach. Thanks Invoke
$15 USD in 40 days
5.6
5.6

Hey I can develop a killing simulator for both with graphics and sound, engaging gameplay mechanics, a user-friendly cross-platform interface and challenging AI-driven gameplay. The project can also include multiplayer functionality with a scalable architecture for smooth performance across both platforms. Let's connect so we can discuss more about it. Regards, Shawana
$20 USD in 40 days
4.8
4.8

Bid Proposal Hello, I'm Karthik, a seasoned game developer with over 15 years of experience in creating immersive gaming experiences across multiple platforms. I am excited about the opportunity to develop your multi-platform killing simulator. Key Highlights of My Proposal: - Immersive Graphics & Sound Design: I have a strong background in creating visually stunning graphics and captivating soundscapes that enhance player engagement. - Engaging Gameplay Mechanics: I specialize in developing intuitive and dynamic gameplay that keeps players hooked. - User-Friendly Interface: I prioritize UX/UI design to ensure seamless navigation on both mobile and PC platforms, making the game accessible to all players. - Robust AI Integration: With extensive experience in AI development, I can create challenging and adaptive gameplay that enhances the overall experience. - Multiplayer Functionality: I can implement multiplayer features, allowing players to compete or collaborate, adding depth to the gameplay. I have successfully completed similar projects, and I would be happy to share my portfolio for your review. Let’s discuss your vision further and create a game that stands out in the market. Looking forward to your response! Best, Karthik
$30 USD in 40 days
4.9
4.9

It's clear you've invested considerable thought into creating a captivating multi-platform killing simulator. I have extensive experience developing immersive games for both mobile and PC, successfully delivering projects that align closely with your vision. Your goal of combining engaging gameplay with robust AI is something I fully understand, as it's essential for creating an unforgettable player experience. I noticed that you emphasized the importance of user-friendly interfaces; I have designed several intuitive UIs that adapt seamlessly to different platforms. My expertise in performance optimization, security measures, and enhancing user experience will ensure that your game runs smoothly and securely across all devices. How do you envision the multiplayer functionality impacting the overall gameplay experience? Warm regards, Foraxis
$18 USD in 7 days
4.7
4.7

Dear Client, I can develop your killing simulator game for both mobile and PC with engaging gameplay, smooth controls, immersive graphics, sound, and challenging AI. I have 6+ years of experience in software and game development and can work on the complete game development process, including gameplay mechanics, AI behavior, UI/UX, performance optimization, and multiplayer features if required. I can also share relevant work links and portfolio examples in the chat box. Looking forward to your response on chat box. Thanks.
$20 USD in 40 days
4.3
4.3

Hi, I am a software engineer with over 16 years of experience building interactive, performance-sensitive applications. I can develop this as a shared-codebase mobile and PC game, starting with a polished vertical slice that establishes the combat loop, responsive controls, adaptable UI, AI behavior, graphics, and sound before expanding the content and optional multiplayer. I would use a practical cross-platform architecture, tune controls separately for touch and desktop, and profile early so the mobile version remains smooth without compromising the PC experience. The AI would be modular, making difficulty, behaviors, and future enemies easier to extend. Much of my relevant work is private and cannot be shared publicly, but I can show suitable examples privately. Do you already have a preferred engine and a defined concept document, or should the first milestone include gameplay design and visual direction? I would be glad to discuss the details and shape a realistic first release.
$25 USD in 30 days
4.2
4.2

I’m excited about the opportunity to build a high‑fidelity, cross‑platform killing simulator that delivers immersive graphics, responsive gameplay, and intelligent AI. With over eight years of experience creating combat simulations for both mobile and PC, I have a proven track record of designing engaging user interfaces, optimizing performance across diverse devices, and integrating robust multiplayer features. I’ll start by reviewing your current assets and play‑testing plan, then architect a modular game engine that scales from iOS/Android to Windows/Linux. My portfolio includes several titles that showcase realistic graphics, complex AI behaviors, and smooth cross‑platform experiences, all of which I’ll share for your review. Let’s discuss your vision in more detail and outline a roadmap that delivers a polished, market‑ready game while keeping development on schedule and budget.
$25 USD in 7 days
3.9
3.9

Hi, I’m a senior software engineer with 20+ years in AI and interactive application development. I have gone through your specific requirement for mobile and PC simulator. I built something like this for interactive clients with AI driven behavior, including 3D avatar work and AI video pipelines. I would use Unity rather than building separate native clients because it keeps gameplay and AI behavior in one codebase. I will build the Unity client with platform specific input and UI handling. Python can serve the AI layer where heavier behavior logic is needed. And multiplayer can stay behind a separate service so single player performance does not depend on network state. Portfolio samples I can send privately. Is this intended as a realistic combat simulator or a fictional game? Which platforms matter first, Windows, Android, or iOS? Do you already have character, environment, sound, or animation assets? Free for a quick call this week? Or answer those three and I’ll map the first version. Dev Singh
$25 USD in 40 days
4.0
4.0

Hello, As a result of a detailed review of your project requirements, I fully understand the scope and expectations. I have experience with cross-platform game development, gameplay systems, simulation logic, AI behavior, graphics programming, multiplayer architecture, and mobile/PC optimization, and I'm available to start your project right now. In my opinion, one of the key challenges is maintaining consistent gameplay and responsive controls across mobile and PC while keeping AI, graphics, physics, and performance scalable. I would recommend Unity with C# for a shared mobile/PC codebase. I’d structure the simulator around modular character/combat systems, state-machine or behavior-tree AI, scalable graphics settings, platform-specific input layers, and optimized audio/animation pipelines. Multiplayer can be kept as a separate module so it can be introduced without restructuring the core game. I have a couple of quick questions. • Is the simulator intended to be realistic, arcade-style, or fictional/stylized? • Do you already have characters, environments, animations, and audio assets, or should these be included in development? I would be glad to discuss the gameplay specification and milestones and am ready to start immediately. Best regards, Carlos.
$15 USD in 40 days
4.7
4.7

Hickory, United States
Member since Aug 29, 2026
₹12500-37500 INR
€8-30 EUR
$10-30 USD
₹12500-37500 INR
$150-200 USD
$10000-20000 CAD
₹750-1250 INR / hour
₹100-200 INR / hour
₹12500-37500 INR
₹750-1250 INR / hour
$15-25 AUD / hour
$250-750 USD
$10-30 AUD
$15-25 USD / hour
$250-750 USD
₹750-1250 INR / hour
$10-30 USD
$30-250 USD
$250-750 USD
₹750-1250 INR / hour