Complex sentence: He hoped it could be a refinement when compared to his previous games, and held high standards for the 3D engine; he therefore instructed its programmers to "Make it the most beautiful engine ever conceived by anybody, ever".
Split into simpler sentences: He hoped it could be a refinement when compared to his previous games, and held high standards for the 3D engine. He instructed its programmers to "Make it the most beautiful engine ever conceived by anybody, ever".