SMMU (Smack my Marine Up) is a source port created by Simon Howard. It began in 1998; development ceased in 2000. It is derived from MBF. Features of SMMU: * FraggleScript * Console * Rewritten menu, heads-up display, and networking code * Quake-style "start map", courtesy of Derek "Afterglow" MacDonald * Windows, MS-DOS and Linux ports * Chasecam * Various demo features; e.g. the ability to walk around demos while they are playing * Text-mode rendering * "Swirling" effect on liquid floor textures, instead of original animated floors.