Complex sentence: According to Neocomputer, the infamous "bug" of E.T. falling into the pits was simply due to pixel-perfect collision detection; if any portion of E.T. 's sprite overlapped a pit, E.T. would then fall into the pit.
Split into simpler sentences: According to Neocomputer, the infamous bug of E.T. falling into the pits was due to pixel perfect collision detection. If any portion of E.T. 's sprite overlapped a pit, E.T. would then fall into the pit.