I will build a playable game prototype in unreal engine 5 or unity

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Yves Clement E.

About this gig

Need a playable prototype to validate your idea, pitch to investors, or test gameplay before full production?

I build high-quality game prototypes and vertical slices using Unreal Engine 5 or Unity.

You bring the idea I turn it into a working, fun, testable experience.


What Youll Get

Depending on your needs, your prototype can include:

Core Gameplay Mechanics

  • Player controller (FPS, TPS, top-down, platformer)
  • Movement, interaction, physics, abilities
  • AI for enemies/NPCs
  • Puzzles, triggers, level scripting

Visual & Audio Integration

  • Placeholder assets or your own art
  • UI, HUD, menus, transitions
  • Animation blueprints / controllers
  • Basic sound effects integration

Systems & Structure

  • Inventory, pickups, crafting
  • Health, damage, combat loops
  • Character progression or skill trees
  • Save/load functionality

Prototype Types I Build

  • Gameplay proof-of-concept
  • Vertical slice for pitch decks
  • First-playable for Steam demo
  • Rapid iteration prototypes for teams
  • Mobile, PC prototypes

Why Work With Me?

  • Fast, iterative development
  • Clean, organized code
  • Strong knowledge of gameplay system design
  • Clear communication throughout the build


Lets Build Your Vision!

Get to know Yves Clement E.

Yves Clement E.
5.0(5)
  • FromCameroon
  • Member sinceApr 2019
  • Avg. response time3 hours
  • Last deliveryabout 20 hours
  • Languages

    English, French
Game Programmer, and mobile app developper using Xamarin form or .Net Maui. I have worked on mobiles games Aurion Kajuta gems Fighter and Le responsable Mboa, both availaible on the Google Playstore; and many more projets not yet published or as hobby.

My Portfolio

Other Game Development Services I Offer