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Got Unity skills and an eye for clean game feel? This is a small project with a clear scope, a defined budget, and zero ambiguity. You will know exactly what to build from day one. We are building a casual mobile game around one of the most satisfying mechanics in gaming: a bouncing square chasing screen corners. Think of the classic DVD screensaver, but interactive. The kind of game that is simple to explain but hard to put down when it feels right. What You Will Build: 5 play modes each with their own rules, pacing, and feel Swipe-based launch with smooth bounce physics and a motion trail effect A skin and background customization system with free and premium tiers One-time in-app purchase at $2.49 unlocking premium content and personal photo upload Per-mode local score tracking and a custom styled card for social sharing Complete UI from splash screen to settings, pause menu, and results screen What Makes This a Good Project: Complete Game Design Document provided from day one Clear milestones, no scope creep, no moving targets Fast feedback and quick milestone approvals You own the creative side too: skins and backgrounds are part of your scope, so if you enjoy the full build, this is for you Timeline: 4 weeks To apply, share a link to a Unity game you have shipped and two to three sentences on how you would handle the swipe launch and corner detection. Strong proposals get a response within 24 hours. No portfolio, no reply. Tech Stack:
Project ID: 40491582
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134 freelancers are bidding on average $524 USD for this job

With over a decade of experience in full-stack architecture and high-scale systems, I understand your need for a Unity Mobile Game Developer to create a casual game with multiple play modes and interactive features. Having successfully built and scaled Telegram Mini Apps serving over 1 million users, I am confident in my ability to meet the challenges of your project's scope and deliver a high-quality, engaging game experience. My strategic insight for ensuring scalability and smooth gameplay in your mobile game is to focus on optimizing the bounce physics and motion trail effect for a seamless user experience. With a proven track record of managing complex projects like yours, including implementing in-app purchases and customization systems, I am well-equipped to handle the creative and technical aspects of this game development. I encourage you to reach out to me to discuss how we can collaborate on bringing your Unity mobile game to life. I am excited about the opportunity to contribute to your project and can provide valuable insights and expertise to help achieve your desired results.
$600 USD in 20 days
8.4
8.4

I like projects like this because the challenge isn’t the amount of content, it’s getting the feel right. A bouncing-square game sounds simple until you start tuning launch response, collision behavior, trails, and pacing so players keep chasing “just one more run.” For the swipe launch, I’d map swipe distance and direction into a controlled velocity range rather than a raw force so it feels consistent across devices. I’d also add a small prediction guide and damping rules where needed to prevent awkward edge cases. For corner detection, I’d use trigger zones around the screen corners combined with mode-specific validation, which keeps scoring reliable even at higher speeds and unusual bounce angles. I’d build the core movement and collision loop first, then layer in the five modes, progression, customization, IAP unlock flow, and finally the sharing cards and polish pass. One thing I’d pay extra attention to is maintaining a stable frame rate while keeping the trail effect visually satisfying. Ready to start as soon as I’ve reviewed the GDD.
$500 USD in 7 days
7.1
7.1

Hi I can build the casual Unity mobile game with swipe launch controls, smooth 2D bounce physics, motion trails, five play modes, customization, local scoring, social share cards, and full mobile UI. I have experience with Unity, C#, Rigidbody2D/Collider2D physics, mobile input handling, ScriptableObjects, IAP setup, UI animation, asset optimization, and Android/iOS builds. The main technical challenge is making the square feel satisfying and predictable while still keeping each mode different and replayable. I would solve this with tuned physics materials, controlled velocity rules, clean corner-detection logic, mode-specific game state handling, and responsive swipe force calculation. For swipe launch, I would track drag direction and distance, convert it into a clamped launch vector, and keep bounce speed stable after collisions. For corner detection, I would use trigger zones or collision checks near each screen corner, then validate hits against the active mode rules. I can also implement skins, backgrounds, premium unlocks, photo upload, results screens, settings, pause flow, and polished visual feedback for a clean game feel. Thanks, Hercules
$500 USD in 7 days
6.8
6.8

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
$750 USD in 7 days
7.1
7.1

Hello, I reviewed your game concept and GDD requirements. With 9+ years of Unity game development experience, I will deliver all 5 game modes, responsive swipe-based controls, smooth bounce physics, customization systems, in-app purchases, score tracking, social sharing, and a polished mobile UI within the planned timeline. For the swipe launch system, I will implement precise gesture detection with velocity-based force application to ensure responsive and satisfying gameplay. Corner detection will be handled through optimized collision logic and boundary checks to accurately track corner hits while maintaining smooth performance across devices. 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) Come inbox & let’s get started. Best regards, Sohaib Pasn Games
$250 USD in 7 days
6.8
6.8

Hi, We can build your Unity mobile game with clean physics-driven gameplay, responsive swipe controls, and polished game feel focused on smooth bounce mechanics and addictive simplicity. We’ve worked on Unity gameplay systems involving touch input, physics-based movement, UI flow, and mobile optimization, and can deliver a tight, production-ready build within your 4-week timeline. How we’d handle core mechanics: Swipe input converts into directional velocity with controlled damping, while corner detection uses screen bounds collision checks to trigger bounce logic, effects, and mode-specific rules. This ensures consistent feel across all 5 modes while keeping movement smooth and predictable. What we’ll deliver: 5 gameplay modes with unique rules Swipe-based launch + bounce physics + trail effects Skin/background system (free + premium) IAP unlock ($2.49) with photo upload feature Local score tracking + shareable score cards Full UI (splash, menus, pause, results) We focus heavily on “game feel” polish so the movement feels satisfying, not just functional. Regards Interconnect Team
$500 USD in 7 days
6.9
6.9

Hello, I hope you're doing well! I understand you need a Unity developer to build a polished casual mobile game around a bouncing square mechanic, including 5 play modes, swipe launch, smooth bounce physics, trails, customization, IAP, local scores, social sharing cards, and full UI within a 4-week timeline. I have strong experience shipping Unity mobile games with responsive physics, mobile input handling, game-state systems, rewarded/premium content flows, in-app purchases, local save data, and polished UI/UX for casual gameplay. I would handle swipe launch by converting drag direction and distance into a clamped launch vector, then use precise collision/bounds checks with tolerance zones for corner detection so each bounce feels fair, consistent, and satisfying. Q1: Should the game be built for Android only, iOS only, or both platforms? Q2: Do you already have art references for skins/backgrounds, or should I create the initial visual set? Q3: Should the $2.49 purchase use Unity IAP with App Store/Google Play products already configured? Looking forward to building a clean, addictive mobile game with strong game feel!
$500 USD in 7 days
6.6
6.6

Hi, This is exactly the kind of tightly scoped Unity project I work well on. I’ve built multiple small-to-mid scale mobile games in Unity focused on clean feel, responsive input systems, and polished game juice (physics tuning, trails, UI transitions, and score-driven loops). My focus is always on making simple mechanics feel addictive through tight control over movement and feedback. I would implement the swipe launch using a velocity-based input system where swipe direction and speed directly translate into Rigidbody2D force, with smoothing to avoid jitter and ensure consistent feel across devices. Corner detection would be handled through boundary triggers combined with state checks to ensure reliable bounce behavior without physics glitches, while keeping the movement deterministic for score tracking. For the full build, I would structure it as modular systems (game modes, cosmetics, scoring, IAP, and UI separated cleanly) so each of the 5 modes can evolve independently without breaking core logic. I also have experience integrating Unity IAP (including unlockable premium content flows) and building lightweight local save systems for scores and customization data. Timeline-wise, I can comfortably deliver this within the 4-week window, with early playable builds in the first milestone for fast feedback and tuning of feel. Best regards, Ivane
$500 USD in 31 days
6.1
6.1

Dear Client, Hello dear! I’m Md Toriqul Islam, an experienced Game Developer with 10+ years of expertise in Unity, mobile game development, gameplay systems, UI/UX implementation, and performance optimization. I understand you need a polished casual mobile game built around a bouncing-square mechanic with multiple game modes, customization systems, local score tracking, social sharing, premium content unlocking, and a complete mobile-friendly UI flow. I can implement smooth swipe-based launching, responsive bounce physics, motion trails, corner detection logic, in-app purchases, and an engaging user experience that feels satisfying and addictive. I have rich experience in Unity, C#, mobile game architecture, physics systems, UI design, in-app purchases, and Android/iOS deployment. For swipe launch, I would calculate launch vectors based on swipe distance and direction with velocity scaling and smoothing. For corner detection, I would use collision boundaries combined with corner trigger zones to ensure accurate scoring and responsive gameplay. I’m ready to start immediately and would be happy to discuss milestones and timeline. Looking forward to hearing from you. Best regards, Md Toriqul Islam
$250 USD in 5 days
5.6
5.6

hi, i have experience shipping casual mobile games in unity and can build your bouncing square game exactly as described. for the swipe launch and corner detection, i would implement a physics based rigidbody system where swipe direction and velocity determine the initial launch, combined with raycasting or collision triggers to detect screen corners for bounces. motion trails and smooth interpolation will enhance the feel. can we schedule a quick meeting to discuss the project in detail. it will help me understand your needs better and give you a clear plan with timeline and budget. i will also share my portfolio and past unity games during the chat. thanks mughiraa
$500 USD in 7 days
5.1
5.1

Hello, I am very interested in building your casual bouncing square game and have shipped Unity mobile titles; I can share a playable link on request. For the swipe launch I would sample touch start and end to get direction and velocity, apply a physics impulse with configurable damping, and add an animated motion trail for a smooth, satisfying feel. For corner detection I would use screen-space bounds with predictive raycasts and elastic bounce responses so collisions feel crisp across all five modes while integrating local score tracking, skins, one-time IAP, and share cards. Thank you, Sherman.
$500 USD in 7 days
5.3
5.3

With experience in Unity game development, I understand your need for a mobile game featuring a bouncing square chasing screen corners, reminiscent of the classic DVD screensaver. My past work includes creating engaging gameplay mechanics and smooth physics interactions. Could you provide more details on the desired art style to ensure it complements the game's addictive nature? Regards, Yogesh Kumar
$480 USD in 9 days
4.6
4.6

Hi there, This project instantly caught my eye, so I had to reach out. The idea of creating a casual mobile game with a satisfying mechanic like a bouncing square is right up my alley. I specialize in Unity game development and have a knack for creating seamless and engaging user experiences. With my skills, I can bring your vision to life in a way that keeps players hooked. I am confident that I am the right person for this project due to my experience in creating interactive and visually appealing games. I am committed to speedy communication and delivering high-quality results with a fast turnaround. Let me know if you are available for a quick chat! Regards, XRProConnect
$400 USD in 7 days
4.6
4.6

Having been in the technology field for almost two decades, it's safe to say I've had my fair share of versatile experience. We've got a match when it comes to Android Development, Game Design, and Mobile App Development - all of which are key skills to successfully build your casual mobile game around chasing screen corners. You need Unity developers who understand how critical good bouncing physics, motion tracking, and style customization are, and that's precisely my forte. Not only can I deliver drool-worthy visuals with clean code, but also solve complex problems. As the ex-Chief Technology Officer of an AI startup, I spearheaded projects like yours, building everything from artificial intelligence-based chatbots for customer support to full stack SaaS applications. Needless to say, being detail-oriented is second nature to me - a trait particularly valuable in game development to leave zero loopholes and deliver an immersive experience. Last but not least, I bring long-term value and reliability because I'm not just looking for a one-off project. Your timeline fits perfectly within my schedule and I would love the opportunity to leverage my diverse aptitudes in services like AI-powered voice and chat agents and custom AI tools on your game's backend for database management and system optimization. Let's work together to create a captivating game that hooks players like none other!
$250 USD in 7 days
4.4
4.4

Hello there , Good evening! 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 Design, Unity, Mobile App Development, Android, iOS Development and C# Programming. 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.. Please keep me informed
$555 USD in 6 days
3.9
3.9

✅ Can you share the GDD and define the exact rules, scoring logic, difficulty progression, and failure conditions for all five modes? ✅ Should bounce physics use deterministic reflection against safe-area boundaries, and what swipe velocity limits, corner-hit tolerance, trail behavior, and frame-rate targets are required? ✅ For the $2.49 unlock, should Unity IAP support restore purchases on iOS and Android, and how must personal photo upload, local storage, permissions, and social-share cards work?
$500 USD in 7 days
3.6
3.6

Hello, I have experience developing Unity-based mobile applications and gameplay systems with a strong focus on responsive controls, smooth physics, and polished user experiences. Your concept is simple, engaging, and well-scoped, which makes it ideal for delivering a highly polished casual game. For the swipe launch mechanic, I would calculate launch direction and force based on swipe vector length and velocity, applying controlled physics to ensure consistent and satisfying gameplay across devices. For corner detection, I would implement precise collision zones with configurable tolerance thresholds to ensure accurate scoring while maintaining a smooth player experience across all game modes. I can deliver the complete game including gameplay systems, UI flow, customization features, local score tracking, premium content unlocks, social sharing cards, and App Store/Google Play ready builds within the proposed timeline. I would be happy to review the Game Design Document and discuss milestones before getting started. Best regards, Kishan Kumar Gupta
$250 USD in 7 days
3.8
3.8

Hello, As a result of a detailed review of your project requirements, I fully understand the scope and expectations. I have experience handling similar types of projects and I'm available to start your project right now. I bring deep expertise in Unity, C#, Mobile Game Development, Android, iOS, Game Design, Physics Systems, UI Development, and In-App Purchases with over 10 years of experience. One of the key challenges in projects like this is making a simple mechanic feel polished and addictive. Regarding your question, I would handle swipe launch by converting swipe direction and distance into force values while maintaining consistent gameplay across devices. For corner detection, I would use optimized collision checks and boundary logic to accurately detect corner hits, trigger scoring events, and support mode-specific behaviors. I have a couple of quick questions. • Will the premium content and photo upload feature use Unity IAP only, or should cloud storage integration also be included? • Do you already have visual style references for skins/backgrounds, or should they be designed from scratch? I would be glad to discuss further details and am ready to start immediately. Portfolio links and relevant game examples can be shared during our discussion. Best regards, Carlos
$250 USD in 7 days
3.7
3.7

Hello, I've reviewed your project and understand you're looking for a Unity developer to build a polished casual mobile game centered around swipe based launching, satisfying bounce physics, multiple game modes, customization systems, and a complete mobile ready user experience. What stands out here is that game feel will determine success more than complexity. I would focus heavily on responsive swipe input, predictable physics behavior, clean corner detection logic, visual feedback through trails and effects, and a smooth progression flow across all five modes. With a complete GDD already prepared and a fixed scope, the project is well positioned for efficient development and milestone based delivery within the proposed timeline. For the swipe launch, I would calculate direction and force from the drag vector while applying controlled velocity limits to maintain consistent gameplay. For corner detection, I would use dedicated trigger zones combined with game state validation to ensure accurate scoring and mode specific behavior without false positives during wall collisions. How much of the visual asset work, including skins, backgrounds, and UI graphics, is already defined in the GDD versus needing original design during development? Regards, Atik
$250 USD in 1 day
3.7
3.7

Hello, I’m Karthik from Resonite Tech, with 15+ years of experience in game development, mobile applications, and Unity-based interactive experiences. Your project is well-scoped and exactly the type of focused game development engagement I enjoy. I can build the complete casual game experience, including gameplay mechanics, UI, customization systems, local score tracking, social sharing, and in-app purchases. ✔ Unity mobile game development (iOS & Android) ✔ Swipe-based controls and smooth physics implementation ✔ Multiple game modes with unique rules and scoring ✔ Skin and background customization system ✔ Premium content unlock via in-app purchase ✔ Local leaderboards and score tracking ✔ Social sharing card generation ✔ Complete UI/UX flow from splash screen to settings and results For the swipe launch, I would calculate direction and force from the user's gesture and apply it through Unity physics while maintaining consistent game feel across devices. Corner detection can be handled through boundary colliders and event triggers to accurately detect corner hits and mode-specific scoring logic. I am comfortable working from a detailed GDD, following milestone-based delivery, and providing regular progress updates throughout the 4-week timeline. Best Regards, Karthik B Resonite Tech
$750 USD in 7 days
3.8
3.8

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