Pokemon Colosseum is a role-playing game released in 2003, it is set in the desert region of Orre, and you will play as a pokemon trainer. You will need to battle against other trainers and steal their pokemon. You can have upto six pokemon at a time, and you also have to complete specific tasks to earn rewards.
The leading pokemon in tier S are Croconaw and Entei; they are the best in the business. Furret and Heracross are the most prominent characters in A tier. Some of the characters in tier B are Absol, and Bayleef, while Aipom and Delibird rank in the F tier.
S Tier

| Croconaw |
| Entei |
| Espeon |
| Flaaffy |
| Makuhita |
| Meditite |
| Quilava |
| Raikou |
| Suicune |
| Umbreon |
| Vibrava |
A Tier

| Furret |
| Heracross |
| Hitmontop |
| Mantine |
| Misdreavus |
| Noctowl |
| Quagsire |
| Remoraid |
| Skiploom |
| Stantler |
| Swablu |
B Tier

| Absol |
| Ariados |
| Bayleef |
| Dunsparce |
| Forretress |
| Gligar |
| Granbull |
| Houndoom |
| Metagross |
| Miltank |
| Murkrow |
| Piloswine |
| Qwilfish |
| Scizor |
| Skarmory |
| Slugma |
| Sneasel |
| Sudowoodo |
| Sunflora |
| Tropius |
| Tyranitar |
F Tier

| Aipom |
| Delibird |
| Ho-Oh |
| Ledian |
| Plusle |
| Shuckle |
| Smeargle |
| Togetic |
| Ursaring |
| Yanma |