I will build unity gameplay systems, mechanics and prototypes
About this gig
Need a gameplay mechanic, system, or playable prototype for your Unity game?
I can implement clean and functional gameplay systems for existing Unity projects or build a small playable prototype to validate your idea.
I specialize in Unity 2D and mobile game development using C#.
I can help with:
Gameplay mechanics and player interactions
Progression and upgrade systems
Currency, shops and game economy
Energy and cooldown systems
Rewards and unlockable content
UI and HUD logic
Save and load systems
Menus and game flow
Mobile gameplay systems
Rapid gameplay prototypes
I focus on creating systems that are organized, understandable and easy to expand instead of delivering isolated scripts with no structure.
This service is ideal for indie developers who already have a project and need a specific feature implemented, or for designers who want to turn a gameplay idea into something playable.
You will receive the Unity project or implemented feature, organized C# code and a clear explanation of what was added.
For larger or unusual systems, please message me before ordering so I can evaluate the scope and recommend the correct package.
Get to know Otavio Rosindo
Game Designer Unity Developer
- FromBrazil
- Member sinceFeb 2026
- Last delivery5 months
Languages
English, Portuguese

