Before the development of Voxel Quest (https://www.voxelquest.com/ https://www.voxelquest.com/) was stopped it had shadows and animated agents. However, I'm not

Before the development of Voxel Quest (https://www.voxelquest.com/ https://www.voxelquest.com/) was stopped it had shadows and animated agents. However, I'm not knowledgeable enough on game renderers to estimate which kind of technique was used nor what are its limitations.