The Blackvoxel Game engine is named the VoxelFire engine and has been written and optimized especialy for Blackvoxel game for supporting the Molecular Voxel Interaction engine.
VoxelFire engine is specialy optimized to support massive voxel refresh and limit stuttering and lag while thousands of voxels are moving.
The engine itself took two years of work. The whole game is programmed in C/C++ for performance purpose.