 <unk> the graphics in <unk> was opted due to the large variety of rendering technologies that were practical to developers , as well as a less stringent time schedule . Although Andreev felt that it was not impossible to produce a video game in <unk> graphics , he felt that it would require much more rigorous efforts on art , engineering , and design . " It is fair to say that in a lot of cases , " he explained , " during pre @-@ production , studios try to see what it would take to make a <unk> game . Then , they get something that doesn 't look very pretty when running at 60 , realising that all the art has to be produced very carefully as well as level and game design . " 
