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Game Developer

Game developers program gameplay, graphics, physics, AI and tools for games on PCs, consoles and phones. C++ dominates engine and performance-critical work (Unreal Engine is written in it), while C# is used with Unity.

What the job involves

  • Program gameplay mechanics, controls and game rules.
  • Optimize code to run smoothly at a steady frame rate.
  • Work on graphics, physics, audio, AI or networking systems.
  • Build tools that designers and artists use.

Core skills

  • C++ (or C# for Unity)
  • Memory and performance
  • Data structures and algorithms
  • Linear algebra for 2D and 3D
  • A game engine (Unreal or Unity)
  • Debugging and profiling

Your learning path

Work through the steps in order. Each one links to the lessons and practice to use.

  1. Step 1: C++ fundamentals

    Most game engines and their performance-critical code are written in C++. Learn it thoroughly.

  2. Step 2: Object-oriented design for games

    Game objects, components and systems are designed with classes, inheritance and polymorphism.

  3. Step 3: Memory and performance

    Games run a frame every few milliseconds, so memory layout and allocation matter. Understand pointers, ownership and move semantics.

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    • Cache-friendly data layout
    • Profiling tools

  4. Step 4: Data structures and algorithms

    Pathfinding, collision checks and inventories all rely on the right containers and algorithms.

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    • Spatial partitioning (grids, quadtrees)

  5. Step 5: Math, engines and graphics

    Vectors and matrices move and rotate everything on screen. Then build projects in a real engine.

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    • Linear algebra: vectors, matrices, transforms
    • Unreal Engine (C++) or Unity (C#)
    • Graphics programming basics (OpenGL, Vulkan or DirectX)
    • Game physics basics

  6. Step 6: Prepare for interviews

    Expect C++ language questions, memory and performance discussion, data-structure problems and a portfolio review.

Projects to build

Projects prove your skills and give you something to show.

  • A console game such as Snake or Tic-Tac-Toe with a clean game loop.
  • A 2D platformer prototype in a game engine.
  • A grid-based pathfinding demo (BFS, then A*).

Interview preparation

This path is a suggested order. Requirements differ between companies, so also read job descriptions for the roles you are applying to.

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