Uses any generation of the Voxel Space engine, created by NovaLogic.
The first video game about Voxel Space was released in 1992.
Novalogic has published all these games
Voxel Space 2 and Voxel Space 32 are covered by patent no. 6,020,893 since February 1, 2000 as "System and method for realistic terrain simulation", filed in November 1997.