1. C++: Essential for game engine development and high-performance graphics.
2. C#: Widely used in Unity for game development.
3. Java: Used for Android game development.
4. Python: Great for prototyping and AI in game development.
5. JavaScript: Important for web-based and browser games.
6. Lua: Commonly used for scripting in game engines.
7. HLSL/GLSL: Shader languages for graphics programming.
8. SQL: Important for managing game data and databases.
9. Rust: Emerging for system-level game programming with safety.