Box 2D

Box 2D is a Flash Game engine. It is a free open source engine used to make movement of things in games more realistic. It is used in a number of Nitrome games.

History
Box 2D, called "Box 2D Lite" at the time, was part of a physics presentation given by Erin Catto at GDC 2006. It was released on Sourceforge as open source on September 11th 2007. Box 2D 2.0 was released on March 6 2008, introducing Continuous Collision Detection. Nitrome first used Box 2D in the 2008 game Mallet Mania

Use
Box 2D, since it is free open source, it can be used for free in games.

Affect
Box 2D when used gives a smooth affect of movement, making it very realistic. Usual game engines cannot handle stuff Box 2D can do. Examples of stuff done by Box 2D is the falling of character and objects Ice Breaker Series, the debris in Rubble Trouble, and the pieces of metal in Flipside. Other examples of Box 2D are shown on the Box 2D Website.

Games
The below list shows all the Nitrome games that use Box 2D and what things in the game use Box2D.
 * Mallet Mania - Ball
 * Flipside - Metal debris, Flipsides
 * Ice Breaker - Ice, Vikings, Enemies, certain Materials
 * Ice Breaker: Red Clan - Same as from Original Ice Breaker
 * Power Up - Boxes
 * Ice Breaker: The Gathering - Same as from Original Ice Breaker
 * Rubble Trouble