2013 - 4x4 Evolution Revival Project
This site right here, was a project aimed at initially restoring online play for this game. Over time thanks to a number of people it has become much more than that, and currently maintains this game.
Originally it was planned to keep expanding the game (4x4 Evolution: Revival), however that project is now on hold indefinitely in the interest of maintaining the community.
2001 - 4x4 Evolution 2
"Metal Crush 4" A sequel with a checkered history: Gone is the license for Ford, but with it came Jeep instead. Physics were overhauled, a real working winch, per polygon collisions, and adventure modes were added. Several versions came out with different levels of updates.
It also spawned a number of standalone promotional demos for Jeep, with further physics enhancements that didn't quite make the final cut.
1999 - 4x4 Evolution 1
"Metal Crush 3" The original "Gran Turismo" of offroad racing. Included an unprecedented amount of licensed trucks. Included further refined graphics, physics, console ports, and had fully integrated multiplayer services.
-Cross platform play (Dreamcast/PC)
-Probably the first game to support console downloadable content allowing for custom tracks to be downloaded
-Racing game with native support for modifications
1998 - Monster Truck Madness 2
Code named "Metal Crush 2", the sequel to MTM added 3-D acceleration, and improved quality all around.
1996 - Monster Truck Madness
Originally code named "Metal Crush", this game provides the origins for 4x4 Evo's gameplay/physics/file formats/layout
More information on earliest versions can be found here:http://mtm2.com/kmaster/metalcrush.htm
1995 - Terminal Velocity
While this game is a space shooter. The earliest origins of 4x4 Evolution's terrain engine can be seen here the same looping 256 x 256 heightmap, with many similar file formats provide the framework for this series.