A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

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Mathematical constructions, number systems. In 3D-graphics quaternions are used alongside vectors and matrices. One of the benefits of quaternions is that they overcome some rotational problems (known…
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small to medium size programs that help you in a game development process.
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a powerful, fast, lightweight, embeddable scripting language. Lua is widely used as a scripting language by game programmers, perhaps owing to how easy it is to embed, its fast execution, an…
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A technique for using rays to determine points of intersection. Often used in lighting simulation.
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A regular tessellation of a surface to create uniform, contiguous cells arranged in a consistent pattern.
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3D computer graphics software for making 3D animations, models, and images. As of now it's only available on a Windows operating system.
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Game resources separate from the software (code) and hardware (platform). The most common assets are graphics and audio.
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a professional, free 3D Game Multiphysics Library that provides state of the art collision detection, soft body and rigid body dynamics.
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Refers to attributes of the visual elements of the game (the style).
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Dark spaces cast by the presence of a solid object blocking the flow of light. Often helpful for telling where your character is going to land.
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A game that runs in an internet browser, either using core browser features (HTML5, CSS and JavaScript) or plugins (ususally Flash, Java or Silverlight). For games build using Flash, Silverlight of Ja…
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Topics about the professional game development industry itself, as opposed to topics that come up in the process of developing games.
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Audio (heard) output of a game.
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a collection of functions and/or classes which usually simplifies usage of an API, framework or a more complex and/or low-level library. If possible use a more specific library tag if possi…
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Software designed to store massive amounts of data in a queryable form. The data is typically organized to model relevant aspects in a way that supports processes requiring this information.
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action that is usually happenes "outside" of main program thread, but handled inside of it.
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a Javascript API for rendering interactive 3D / 2D graphics on the HTML5 canvas element. It is based on OpenGL ES 2.0.
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an video effect which requires non-trivial usage of a standard graphics library calls, or custom graphics processing algorithms like shaders to achive required result.
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A very common input device in computer games. It offers a more direct form of movement compared to directional input.
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a point defining the corners of polygons or intersections of lines. A triangle for example is defined by 3 vertices with lines between them. In 3D-graphical APIs like OpenGL a…
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an open-source third-party managed DirectX wrapper.
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C#/XNA port of the Box2D physics engine.
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a phone operating system built by Microsoft to replace Windows Mobile. Key features include, Metro Design, access to XBOX Live, Office, Skydrive. Applications written for Windows Ph…
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an OpenGL feature that provides methods for uploading data to the video device for non-immediate-mode rendering.
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The audio component of a game, representing what the player will hear. Comprised of dialogue, music, and sound effects.
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Software for simulating physics like collisions, forces, mass, joints, motion etc. Examples of physics engines are PhysX, Havok, Bullet and ODE.
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The pixel resolution that the game displays in, or can be displayed in if there are multiple.
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Generally used in correlation with a state machine.
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extensions or modifications of other games that enhance or change the game play of the original game. This can often be done with SDKs or other tools provided by the developer. Sometimes, mod…
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Generally getting assets off disk and into memory.
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The frequency which an imaging device produces unique consecutive images. It is most often expressed in frames per second (FPS).
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the visual perception of light by humans into named categories, commonly "red," "green," and "blue."
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generally reffered to input used by mobile phones and tablet-type computers.