I will fix bugs, errors and optimize your unity game and unreal engine performance fast

M
matthiaass5
M
matthiaass5
Matthias

About this gig


Is your Unity game crashing, lagging, throwing errors, or not behaving as expected?

I can help.

I will diagnose, fix, and optimize your Unity game project quickly and professionallywhether you're dealing with coding bugs, gameplay issues, performance drops, build errors, or broken systems.

Services I Offer


I can help fix:

  • C# script errors
  • Unity console errors
  • Null reference and logic bugs
  • Broken gameplay mechanics
  • Physics and collision issues
  • UI or input problems
  • Scene/loading issues
  • Build/export errors (Android, PC, WebGL, etc.)

(Performance Optimization) I can improve:

  • Low FPS and lag issues
  • Poor mobile performance
  • Memory usage problems
  • Unoptimized scripts
  • Heavy update loops
  • Object pooling setup
  • Rendering and draw call issues
  • General game responsiveness


Why Choose Me?

  1. Fast diagnosis and solutions
  2. Clean, scalable fixes not temporary patches
  3. Performance-focused improvements
  4. Clear communication throughout the project
  5. Support for both small fixes and major issue


 Common Problems I Fix

  • My player movement stopped working
  • My game lags on mobile
  • Im getting compiler errors
  • My AI or enemy logic is broken
  • Unity crashes or wont build
  • My project needs optimization before release

Get to know Matthias

Matthias

EXPERT UNITY 2D, 3D GAME DEVELOPER, UI and UX, BUG FIXES

  • FromUnited Kingdom
  • Member sinceApr 2026
  • Avg. response time7 hours
  • Languages

    English
I’m Matthias, a Unity game developer focused on building engaging and addictive gameplay experiences, especially in hyper-casual and mobile games. I help individuals, startups, and students turn simple ideas into playable game prototypes with smooth mechanics and clean structure. Whether you need a quick prototype for testing, a university project, or a base game to expand later, I deliver fast and reliable results.