The story of Pokémon Colosseum is a linear progression through the Orre region, driven by the overarching goal of dismantling the Cipher organization. You play as Wes, a former Cipher operative who, along with his partner Rui, seeks to expose and stop Cipher's operations. The narrative unfolds through a series of key locations, each presenting new challenges and revealing more about Cipher's motives and the nature of Shadow Pokémon.
Your journey will involve traveling to various cities and towns, battling Cipher Peons and their leaders, and most importantly, snagging their Shadow Pokémon. Each Shadow Pokémon you purify brings you closer to understanding the full scope of Cipher's plan. The story is punctuated by significant boss battles that test your team's strength and your strategic prowess. Following this guide will ensure you don't miss any crucial steps, allowing you to experience the full narrative arc and achieve victory against the forces of darkness.