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👋 Hi! I'm Matthias and I make things in iOS, Flutter and Unity.

📱 Freelancing. Currently at Stihl. Previously at Chrono24, Dr. Oetker, IBM iX, and others. Unity Award 2011 Nominee.

📫 How to reach me: @matthias_code, YouTube, LinkedIn, matthias.zarzecki [at]

Check out my iOS-Tutorials! Youtube Tutorial Link

Featured Apps

In Standings - Basketball Widget you can follow your favorite basketball team's score live on a widget on your home screen.

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Bluetooth Developer allows you to scan your surroundings for nearby bluetooth devices, see what kind of devices they are, and read out data.

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I worked on various VR & AR projects, my favorite being ShortbowVR. Check out a video here!

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Unity 3D

Unstoppaball DX was nominated for a Unity Award 2011 and displayed at the Unite11 in San Francisco. It has 30000 downloads in the iOS App Store, and reached the 2nd place of the game charts.

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Solar Tetris is a 3D Tetris game that is played from a joystick in the middle of the room. It is currently part of the Sonepar Exhibition at the Umwelt Arena near Zürich.

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  1. FlutterApiOfIceAndFire FlutterApiOfIceAndFire Public

    A Flutter-App that lists the houses in A Song of Ice and Fire / Game of Thrones

    Dart 1

  2. SwiftUIApiOfIceAndFire SwiftUIApiOfIceAndFire Public

    A SwiftUI-App that lists the houses in A Song of Ice and Fire / Game of Thrones

    Swift 2

  3. AStarPathfindingUnity AStarPathfindingUnity Public

    Implementation of the A*-Algorithm in Unity3D

    C# 42 17

  4. TimeRewindingFunctionality TimeRewindingFunctionality Public

    Prince-of-Persia-Style Time-Rewinding Example for a Tuts+ Article in Unity3d

    C# 8 3

  5. UnityVideoPlayerTutorial UnityVideoPlayerTutorial Public

    A tutorial desbribing various uses of the Unity Video Player

    C# 9 4

  6. MinesweeperInUnity MinesweeperInUnity Public

    Recreation of Minesweeper in Unity3D for a Tuts+ Article

    JavaScript 1 1