Build game engine

BUILD engine is the game engine behind Duke Nukem 3D, Shadow Warrior, Blood, and many other titles of the 90s. It was one of the most popular engines to be licensed third-party until the Unreal Engine.

Graphical system features:

• Supports VESA for hi-res video modes, in 256 colors (up to 1600x1200)
• Smooth, uncapped page-flipped screen updating
• 2D Sector-based maps


• Floor and ceiling texturing
• Real-time procedural textures
• Any piece of art can be anything - be it wall, floor, or sprite
• Transparency on sprites, and walls
• Sector effectors altering height, lighting, position and shape of the sector it is on when it is called
• Screen-size changing for slower computers
• Certain colors on sprites can be remapped to a different color automatically
• Independent colormaps, allowing fake colored lighting
• Top-down automap feature
• Slopes

Audio system features:

• Alterable playback frequency - 8khz, 11khz, 22khz, and 44khz
• 32 sound channels
• Stereo support
• Adlib (OPL2 FM), General Midi and Gravis Ultrasound support for music

Networking features:

• Driver-based, any protocol is supported as long as there is a driver written for Build
• IPX
• Serial, with null modem cable
• Modem
• Synchronized