Complex sentence: It was technically more advanced than both "Dragon Slayer" and "Hydlide", featuring more advanced graphics, exploration on a large desert island, raft transport for sea travel to smaller isles, and a wide variety of items and monsters.
Split into simpler sentences: It was technically more advanced than both "Dragon Slayer" and "Hydlide" in some ways. It featured more advanced graphics, exploration on a large desert island, raft transport for sea travel to smaller isles, and a wide variety of items and monsters.