Island Survival: Evolution

Welcome to the island world! This world features unpredictable islands, and a few that never sink. Each rise and fall of the islands in the vast ocean represents a new beginning. Your goal is to survive as long as possible! One night, 9 billion people across the globe were transported to this island world! Others rely on survival systems to break down materials and craft items. Wang Qing has a survival system and an upgrade system! The survival system breaks down materials, and the upgrade system upgrades items! [Glass Jar + 3 Stones + 2 Iron Ingots = Simple Seawater Purification Device] [Distilled Seawater Purification Device]... [Canoe + 300 Wood + 4 Iron Ingots + 10 Cloth + 4 Rope...]