Open Source Lua Game Engines for BSD

Spring is a versatile 3D RTS game engine. Using extensively Lua for scripting game-specific code to make nearly every aspect of the engine customizable, from GUI, to unit AI, to pathfinding.

A game engine for running Origin's 'Ultima 6' and 'Ultima Worlds of Adventure' games on modern operating systems.

Frost Engine is an RTTRPG game engine.

LASengine is a powerful game engine to create 2D point-and-click adventure games. It uses LUA as the scripting tool.

Longford is a 2D, Lua-based game engine for Windows. It has the following features: + Sprite hierarchy. Sprites drawn in order according to a display "tree" allowing grouping of complex drawings. + Frame update, keypress and (multi)touch events which propagate through the display tree. + Creation of Sprites including polygon Shapes and rectangular Bitmaps with transparency (import as PNG, JPG, GIF, BMP, TGA) + Creation of Textfields based on bitmap fonts. + Translation, rotation and scaling of sprites. + Box2D physics engine. + Play sound effects using WAV files and stream music using OGG files. + Automatic tweening system + Texture atlases so that many Bitmaps can be "cut out" of a single larger picture file. + Supports user-written shaders for advanced graphic effects. + Automatic resolution scaling. + Supports OpenGL or DirectX backend