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Je cherche un-e partenaire capable de concevoir de A à Z une application de jeu d’aventure science-fiction exclusivement pour mobile (Android et iOS). L’expérience devra reposer sur un univers futuriste riche, combinant exploration narrative et action, mais la pierre angulaire reste un mode multijoueur fluide : matchmaking rapide, salons privés, chat in-game et synchronisation sans latence perceptible. Je fournis la vision générale de l’histoire, quelques croquis d’ambiance et les grandes lignes des mécaniques. Tout le reste — design détaillé, assets, développement réseau, optimisation mobile, tests et déploiement — est à construire. J’imagine idéalement un moteur comme Unity ou Unreal, mais je reste ouvert à ta recommandation si tu garantis des performances stables sur appareils milieu de gamme. Livrables attendus • Game Design Document complet, validé étape par étape • « Vertical slice » jouable intégrant le multijoueur (APK + TestFlight) • Code source commenté, assets organisés, scripts de build • Documentation d’installation serveur, fiche de régulation latence, guide utilisateur Critères d’acceptation • Le vertical slice maintient 60 fps sur un Android milieu de gamme pendant 30 min sans crash • Jusqu’à 4 joueurs peuvent se rejoindre via matchmaking ou salon privé • Aucune désynchronisation visible durant une session complète • Menu, HUD et contrôles répondent aux guidelines mobiles iOS/Android, localisation prête Si tu maîtrises la création de jeux mobiles en réseau, que tu sais équilibrer gameplay et optimisation et que tu peux respecter une livraison incrémentale claire, fais-moi signe avec ton approche et tes références multijoueur.
Project ID: 40603593
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39 freelancers are bidding on average €219 EUR for this job

Bonjour, Votre besoin est bien compris, un jeu mobile d'aventure science fiction avec un mode multijoueur fluide, matchmaking rapide, salons privés et synchronisation stable sur appareils milieu de gamme. Pour cela, Unity serait le choix idéal grâce à sa souplesse réseau et sa capacité à maintenir de bonnes performances sur mobile, tout en respectant votre vision narrative et vos croquis d'ambiance comme base de départ. Discutons en chat pour clarifier les détails ensemble et avancer rapidement. Des projets similaires en jeux mobiles multijoueurs ont déjà été réalisés, et donner vie à un univers futuriste jouable en équipe est exactement le genre de défi qui passionne. Petites questions, Combien de niveaux ou zones souhaitez vous pour cette première tranche jouable Avez vous une préférence entre matchmaking automatique ou salons privés en priorité Le jeu doit il fonctionner hors ligne partiellement ou uniquement en ligne Cordialement Farhin B
€110 EUR in 10 days
6.6
6.6

I'm Ankita, a fully-equipped Full Stack Developer with deep proficiency in mobile app development, specifically for Android and iOS platforms. With an extensive experience of over eight years and expertise in both frontend and backend technologies, I bring a unique perspective to the table that can smoothly integrate with your vision for this Sci-Fi Mobile Adventure Game. I am well-experienced in creating multiplayer games and have successfully delivered numerous high-quality mobile apps similar to the one you've described. My aptitude in popular game engines like Unity and Unreal guarantees not only seamless networking functionalities but also a stable performance across various hardware setups, including mid-range devices as per your requirement. Furthermore, my method follows clear incremental deliveries that prove beneficial during the development process by keeping you updated at every step. I wouldn't just deliver what you imagine; rather I'd strive to exceed your expectations by leveraging my expertise on design detailing, efficient asset management, network development, orientation compliance of menus, HUDs, controls, user guides, thorough testing, and fool-proof deployment. Joining forces with me for this project will ensure an immaculate delivery with 60fps on mid-range devices for uninterrupted gaming sessions for up to 4 players and an engaging exploration of your rich futurist domain. Let's start this exhilarating journey together!
€200 EUR in 2 days
6.1
6.1

Hello There! I’m Md Toriqul Islam, and I’m excited to partner with you. I can dive into your game development project immediately. I have rich experience in Unity, multiplayer game architecture, mobile optimization, backend integration, and cross-platform development for Android and iOS. I understand you need a sci-fi adventure game built from the ground up, featuring immersive exploration, action gameplay, and a robust multiplayer experience with matchmaking, private lobbies, in-game chat, and smooth synchronization. I recommend Unity with Photon Fusion or Mirror for reliable multiplayer networking, scalability, and strong mobile performance. I can deliver the Game Design Document, multiplayer vertical slice, optimized codebase, server documentation, and incremental milestones with regular validation. I am skilled in Unity, C#, multiplayer networking, Photon, mobile game optimization, backend services, Android, iOS, and game UI/UX. I’m ready to start immediately and would be happy to discuss your vision, references, and development roadmap. Looking forward to hearing from you. Best regards, Md Toriqul Islam
€80 EUR in 3 days
5.5
5.5

✋ Salut !!! ✋ LE BUT DU PROJET:- CONCEVOIR UN JEU MOBILE D'AVENTURE SCIENCE FICTION AVEC UN MODE MULTIJOUEUR FLUIDE INCLUANT MATCHMAKING, SALONS PRIVES ET CHAT IN GAME SANS LATENCE. J'ai lu attentivement les détails de votre projet et je comprends que vous cherchez un partenaire capable de construire de A à Z un jeu mobile Android et iOS avec exploration narrative, action, synchronisation multijoueur stable et une tranche verticale jouable jusqu'à 4 joueurs. Je suis confiant d'être le bon profil pour ce projet et je peux livrer une expérience stable et bien optimisée. En lien avec vos besoins, je peux prendre en charge : 1. développement du gameplay multijoueur avec matchmaking et salons privés sous Unity ou Unreal 2. optimisation des performances pour maintenir 60 fps sur appareils milieu de gamme 3. création du Game Design Document complet et du HUD conforme aux directives mobiles. En plus des services de base comme la conception UI, la gestion de la synchronisation réseau, les tests et la livraison complète du code source à la fin du projet. Avec plus de 9 ans d'expérience en développement full stack et jeux mobiles, j'ai réalisé plusieurs projets similaires de jeux multijoueurs sous Unity avec synchronisation réseau et optimisation mobile. Au plaisir de discuter avec vous pour conclure un accord Cordialement Élisée Mariam !
€123 EUR in 12 days
5.0
5.0

Drawing from my extensive 9+ years of experience in web and mobile app development, I believe I'm the perfect fit for your project. My passion for gaming is reflected in my proficiency with game design, development, and multiplayer integration, which will be crucial for creating your science fiction adventure game. I am well-versed in working with Unity engine and game design documents, ensuring a smooth and efficient development process. Earlier, you mentioned that stable performance on mid-range devices was essential to you. Rest assured, I have experience with optimizing games for mobile platforms to deliver high-quality performance across a range of devices. Additionally, I can provide value in creating a unique multiplayer experience through quick matchmaking, private gaming lobbies, and in-game chat features—all designed to enhance your players' engagement and sense of community. When partnering with me and my team at **Company Name**, not only do you get individuals dedicated to transforming ideas into reality but also effective cost management and domain/hosting solutions for an all-round service. Moreover, we excel at maintaining consistent communication throughout the project while adopting agile methodologies, ensuring clear documentation at every stage. I eagerly anticipate the opportunity to collaborate on this exciting project towards crafting an exhilarating sci-fi journey that your players will cherish.
€140 EUR in 7 days
5.3
5.3

Hi, Aashiq here from Cape Town, South Africa. This project instantly caught my eye, so I had to reach out. I see you’re looking for a partner to build a sci-fi adventure mobile game from scratch, focusing on a rich narrative and smooth multiplayer experience. Your emphasis on quick matchmaking and seamless synchronization really stands out. I have extensive experience in creating engaging mobile games that prioritize user experience and performance. I specialize in using engines like Unity and have successfully launched multiplayer projects that have increased engagement and retention. Feel free to ask for samples of my past work. Based on what you mentioned, here is how we would approach the project: - Develop a comprehensive Game Design Document with your vision. - Create a playable vertical slice focusing on multiplayer functionality. - Ensure stable performance at 60 fps with thorough testing. - Provide organized assets and detailed documentation for future reference. You can rest assured about clear communication throughout the project. I’ll deliver a seamless, user-focused solution optimized for performance, ensuring it meets all mobile guidelines. Best Regards, Aashiq
€250 EUR in 7 days
4.7
4.7

Your need for a fluid, low-latency multiplayer experience in a sci-fi mobile adventure game immediately brings to mind the challenges and solutions we've implemented for projects like [mention a similar game or technical challenge if you have one, e.g., "real-time synchronization in competitive mobile shooters" or "scalable matchmaking for large player bases"]. My experience in building robust backend services and optimizing client-server communication for demanding mobile environments aligns perfectly with your core requirement. My proposed approach leverages a robust backend architecture using [mention specific tech, e.g., "Node.js with WebSockets for real-time communication"] and a dedicated game server solution like [mention specific tech, e.g., "Photon Unity Networking or custom Netcode for GameObjects"] to ensure seamless matchmaking, private lobbies, and synchronized gameplay. For the client, we'll utilize [mention game engine, e.g., "Unity or Unreal Engine"] with a focus on efficient asset management and performance optimization for both Android and iOS. The development plan will prioritize iterative testing of the multiplayer core early on, followed by content integration and polish. Given your vision, how do you envision the player progression system interacting with the multiplayer aspects? Also, are there specific data synchronization needs beyond player actions that I should be aware of? I'm eager to discuss how we can translate your creative vision into a technically sound and engaging multiplayer experience.
€250 EUR in 21 days
4.2
4.2

Hello, my name is Jonas, mobile developer. A multiplayer mobile game succeeds when the core experience feels stable and fun before adding more complexity. I would focus on building a strong vertical slice first, with smooth gameplay and reliable networking as the foundation. The hardest part here is not the sci-fi world itself, but making multiplayer feel consistent across different mobile devices. I’d suggest starting with a focused game design document and a small playable slice to validate the main mechanics. Unity would be a strong choice for this because it supports both Android and iOS well and gives room for future expansion. The first version should prove the player flow, matchmaking, private rooms, and real-time synchronization. After that, more content and systems can be added without rebuilding the foundation. I have experience building mobile applications and interactive web platforms where performance and structure matter. I can keep the project organised with clear source code, build steps, and documentation. Before starting, I would like to understand if you already have the multiplayer server technology in mind, or if you need that architecture planned too. Do you already have the game assets and designs prepared, or should the first milestone include creating the initial visual direction? I’m ready to help shape this into a solid mobile experience step by step. Appreciate you reading this, and I’d be glad to work through the first milestone with you.
€780 EUR in 18 days
3.4
3.4

Hi there, The hard part is not just creating an engaging sci-fi adventure game; it’s ensuring a smooth multiplayer experience across devices. Prioritizing network optimization and responsive controls is crucial to meet your performance criteria. I recommend using Unity for its robust support for multiplayer functionalities, which can facilitate rapid matchmaking and minimize latency. Phase one would focus on developing the Game Design Document and a playable vertical slice with core mechanics. Phase two would involve optimizing the multiplayer experience to ensure stability and responsiveness during gameplay. How do you envision the balance between exploration and action in the game mechanics? Thank you.
€140 EUR in 7 days
3.3
3.3

Hi there - I'm Nemanja from Serbia. A multiplayer sci-fi mobile game only works if the first playable slice proves the network experience, performance, and core gameplay together, because building a visually rich world before solving synchronization can create major problems later. J’ai remarqué que vous demandez un vertical slice jouable jusqu’à 4 joueurs avec matchmaking ou salons privés, sans désynchronisation visible et avec 60 FPS sur Android milieu de gamme. Cela signifie que l’architecture réseau et l’optimisation mobile doivent être pensées dès le départ, donc je commencerais par une base multijoueur propre avant d’étendre l’univers et les mécaniques. Je peux contribuer au développement mobile, à l’architecture multijoueur, aux APIs/backend, à l’optimisation, aux tests et à la préparation des builds Android/iOS, avec une structure prête pour les futures extensions du jeu. Quick question: avez-vous déjà choisi le moteur et la solution réseau pour le vertical slice, ou souhaitez-vous que cette architecture soit définie au début du projet ? Let's discuss.
€580 EUR in 12 days
3.2
3.2

Bonjour ami de Cotonou. J’ai compris que vous voulez un jeu mobile SF multijoueur complet de A à Z. Vous fournissez l’histoire et les croquis et j’assure design réseau assets optimisation test déploiement. Je choisirai Unity avec Photon pour 60 fps sur Android et iOS avec matchmaking salon privé chat in game. Le vertical slice sera livré en APK et TestFlight avec code commenté documentation serveur. Je possède plus de dix ans d’expérience Unity Unreal programmation réseau mobile. Un projet similaire sous NDA ne peut être montré mais je fournirai une démo jouable. Pouvez vous préciser le nombre de joueurs simultanés souhaités et les langues de localisation. Je suis Bojan Spasic développeur serbe et je suis certain que ce projet réussira. Discutons des prochaines étapes.
€140 EUR in 2 days
3.0
3.0

Hi Have a Pleasant day ! I carefully had read your requirements in your job post on freelancer.com I am glad to inform you that I have same extensive experience that you are looking for. I have done similar work earlier in my past and I will share during project discussion. Please share your exact project requirements, So, I can understand your requirements & I will come to know that what do you exactly needs to develop and I will be feeling happy to work with you. Cost and timeline depends on your project or task requirements Price is negotiable and I will work in your budget. No upfront payment will be charged. Always work in milestones. Looking forward for your positive response. Kind Regards, Sneha Kanwar
€140 EUR in 7 days
3.0
3.0

1. J'analyserai votre vision, vos croquis et vos mécaniques afin de produire un **Game Design Document** complet, validé par étapes avant le développement. 2. Je développerai le cœur du jeu sous **Unity** (ou Unreal si mieux adapté), avec une architecture modulaire, des contrôles tactiles optimisés et une interface conforme aux recommandations iOS/Android. 3. J'implémenterai les fonctionnalités multijoueur : * Matchmaking rapide et salons privés. * Synchronisation réseau avec interpolation, prédiction côté client et compensation de latence. * Chat en jeu et gestion fiable des connexions. 3.1 Lors de projets similaires, les principaux défis étaient les désynchronisations, les pics de latence et les performances mobiles. Je les ai résolus grâce à des mises à jour réseau optimisées, à la réduction des données transmises, au pooling d'objets et au profilage continu afin de maintenir un gameplay fluide sur des appareils milieu de gamme. 3.2 Je peux également partager des exemples de projets, démonstrations techniques ou un dépôt GitHub présentant une architecture réseau similaire si nécessaire. 4. Ensuite, je réaliserai les tests, l'optimisation, les builds Android (APK) et iOS (TestFlight), la documentation serveur, les scripts de build et le code source commenté pour faciliter les évolutions futures.
€1,500 EUR in 35 days
2.7
2.7

Hello There! I'm Md Ruhul Ajom, and I'm excited to partner with you. I can dive into your project immediately. I have over 10 years of experience in Unity game development, multiplayer systems, mobile app development, and backend architecture, delivering scalable, high-performance applications for Android and iOS. I understand you need a complete sci-fi multiplayer adventure game built from concept to deployment. I'll help transform your vision into a polished mobile game with a structured GDD, optimized networking, matchmaking, private lobbies, real-time synchronization, and a 60 FPS mobile experience, following an incremental milestone-based development approach. I'm skilled in Unity, C#, Photon/FishNet/Mirror, mobile optimization, backend integration, and multiplayer game architecture. I'm ready to start immediately and would be happy to discuss your project and share my development approach. Looking forward to hearing from you. Best regards, Md Ruhul Ajom
€100 EUR in 3 days
4.9
4.9

Hi, I am a mobile game developer with 8 years of rich experience in software development. I am familiar with Unity, Unity 3D, Unreal Engine, C#, Mobile App Development, Android, iPhone, Game Development, Multiplayer Networking, and Game Design. I can build your sci-fi multiplayer game from the ground up, including a scalable networking architecture with matchmaking, private lobbies, in-game chat, and smooth real-time synchronization. I'll focus on delivering a stable 60 FPS experience on mid-range mobile devices, with clean source code, organized assets, and complete deployment and server documentation. I'm an individual freelancer and can work on any time zone you want. Please contact me with the best time for you to have a quick chat. Looking forward to discussing more details. Thanks. Emile.
€250 EUR in 7 days
2.2
2.2

Hello I’m Nabeel Ismail From TechN We specialize in developing immersive multiplayer mobile games and have successfully delivered similar projects. Understanding your vision, we will create a captivating sci-fi adventure game with seamless multiplayer features, ensuring smooth matchmaking and low latency. I bring over 3 years of experience in mobile game development, particularly in creating engaging multiplayer experiences with robust optimization. I’d love to chat about your project and suggest a follow-up discussion to explore how we can bring your vision to life. Regards, Nabeel Ismail
€150 EUR in 7 days
0.5
0.5

⚠️ If you're not happy, you don’t pay. ⚠️ Hi, Thank you for checking my proposal and sharing the detailed project brief. I can build your mobile adventure game using Unity with a high-performance, user-friendly design. I will deliver: • A complete Game Design Document with iterative validation • A playable "vertical slice" featuring seamless multiplayer (APK + TestFlight) • Well-commented source code and organized assets • Comprehensive server installation documentation and latency regulation guide You will also receive: • An ongoing optimization plan for maintaining 60 fps on mid-range devices • Step-by-step support for rollout and testing phases I am confident I can execute your vision professionally and efficiently. Looking forward to discussing timeline and next steps. Best regards, Chirag.
€150 EUR in 7 days
0.0
0.0

Le fait que le matchmaking doive fonctionner à la fois sur iOS et Android crée un point de friction lorsqu’on utilise des sockets différents. Je vais isoler la couche réseau avec une abstraction Unity qui bascule automatiquement entre les implémentations, évitant ainsi les désynchronisations entre plateformes. Ensuite, je testerai la latence en simulant des connexions 3G pour garantir que le chat reste fluide même en conditions réelles. Un piège fréquent est d’oublier de libérer les objets réseau après la déconnexion, provoquant des fuites de mémoire sur les appareils milieu de gamme. Je mettrai en place un pool d’objets réutilisables et un nettoyage automatique à chaque sortie de session pour éviter ce problème. Prêt à démarrer immédiatement, je commencerai par configurer l’infrastructure réseau et les tests de latence.
€150 EUR in 7 days
0.0
0.0

I can design and develop your multiplayer sci-fi adventure mobile game from concept to launch. My experience includes creating engaging mobile games with smooth multiplayer functionality and immersive storylines. I focus on building scalable, user-friendly applications that deliver seamless real-time interaction and captivating gameplay experiences. What’s your preferred platform for this game? Are you aiming for iOS, Android, or both?
€140 EUR in 7 days
0.0
0.0

I can help you design and develop a multiplayer science-fiction adventure mobile game from start to finish. My experience includes creating engaging, interactive gameplay with smooth networked multiplayer features tailored to player immersion. I’ve delivered several mobile games incorporating real-time multiplayer mechanics and sci-fi themes, ensuring a balance between performance and visual appeal. My approach focuses on iterative design, starting with core gameplay mechanics and progressing to scalable backend support for seamless multiplayer experiences. Do you have a preferred game engine, or are you open to suggestions based on your scalability needs?
€140 EUR in 7 days
1.3
1.3

Cotonou, Benin
Member since Jul 25, 2026
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