Beats of Rage

Beats of Rage is a freeware video game made by Senile Team and inspired by the classic Sega Streets of Rage game. First programmed for DOS, it was later ported to the Sega Dreamcast console, Linux, Playstation2, Playstation Portable|PSP, Pocket PCs, and Windows.

Character sprites and some background art was taken from the King of Fighters games by SNK Playmore. The gameplay is traditional "walk and punch" or beat 'em up style. Game source is available.

The engine is customizable, and allows for new games to be built on the engine in distributed in its custom PAK format. The games developed for the Beats of Rage engine are commonly referred to as "mods", the creators are commonly reffered to as "modders", and the engine itself is commonly referred to as "moddable".

Beats of Rage has become so popular due to the engine's ability to be completely customizable that it has become the watermark for customizable engines for video game consoles. Customizable engines for these systems are now often referred to as "moddable like Beats of Rage".

Open Source Engine Enhancements
OpenBOR is a project that aims to give more functionality to Beats of Rage. It gives modders the ability to add new moves and combos to their games that were not in the original Beats of Rage game. It also now allows for mods to support three or four simultaneous players as opposed to the original engine's maximum of two.

OpenHOR is a subproject of OpenBOR that allows modders to create horizontal and vertical two dimensional aircraft shooting games using the Beats of Rage engine.