I will develop custom unity 2d 3d game, mobile, PC game, unreal engine and game weapons

H
hayjay09
H
hayjay09
Hayjay
develop custom unity 2d 3d game, mobile, PC game, unreal engine and game weapons
Full Screen
develop custom unity 2d 3d game, mobile, PC game, unreal engine and game weapons
Full Screen
develop custom unity 2d 3d game, mobile, PC game, unreal engine and game weaponsdevelop custom unity 2d 3d game, mobile, PC game, unreal engine and game weapons

About this gig

I will develop a custom Unity 2D or 3D game tailored to your concept, gameplay style, target platform, and project requirements.


Whether you're creating a mobile game, PC game, multiplayer game, arcade game, casual game, action game, shooting game, platformer, RPG, simulation, or a unique game concept, I can help bring the idea to life.


What I can develop:


  • Custom Unity 2D games
  • Custom Unity 3D games
  • Mobile games for Android and iOS
  • Multiplayer games
  • FPS and shooting games
  • Character movement and controls
  • Combat and weapon systems
  • Enemy AI and NPC behavior
  • Level and gameplay systems
  • Game UI and HUD
  • Inventory and progression systems
  • Score, health, lives and reward systems
  • In-game shops and monetization features
  • Ads and in-app purchases
  • Game optimization and bug fixing
  • Existing Unity project updates
  • Game prototypes and MVPs


Why choose my service?


I focus on creating gameplay that feels responsive, functional and enjoyable while keeping the development aligned with your original concept.


You can provide a game idea, reference game, design document, prototype, existing Unity project, assets or gameplay requirements, and I can build the required functionality around them.

  • Game type

    • 3D

  • Game engine

    • Unity

  • Platform

    • PC

  • Genre

    • Action
    • Adventure
    • Arcade
    • Educational
    • Fighting

  • Plugins

    • Ads/Monetization
    • Animation
    • Anti-Cheat
    • AR
    • Machine learning
    • Billing/In-app purchasing

Get to know Hayjay

Hayjay

programmer

  • FromUnited Kingdom
  • Member sinceSep 2026
  • Avg. response time1 hour

  • Languages

    English
I’m a passionate game developer specializing in custom FPS, shooting, shooter, and multiplayer game development using Unity and Unreal Engine. I build engaging gameplay systems, weapon mechanics, player controls, enemy AI, combat features, UI/HUD, levels, and multiplayer functionality tailored to each project. Whether you need an FPS prototype, a complete gameplay system, a multiplayer shooter, or improvements to an existing game, I focus on delivering clean, responsive. Let’s turn your game idea into a playable experience that players will enjoy.

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