League History
| Season | Cycle | Players | Season Closed |
| Forbidden Light: Season 1 | 2018 | 32 | May 31, 2018 |
| Ultra Prism: Season 3 | 2018 | 34 | April 30, 2018 |
| Ultra Prism: Season 2 | 2018 | 27 | March 31, 2018 |
| Ultra Prism: Season 1 | 2018 | 28 | February 28, 2018 |
| Crimson Invasion: Season 2 | 2018 | 28 | December 31, 2017 |
| Crimson Invasion: Season 1 | 2018 | 28 | November 30, 2017 |
| Burning Shadows: Season 3 | 2018 | 28 | October 31, 2017 |
| Burning Shadows: Season 2 | 2018 | 25 | September 30, 2017 |
| Burning Shadows: Season 1 | 2018 | 24 | August 31, 2017 |
| Guardians Rising Season 3 | 2017 | 26 | July 31, 2017 |
| Guardians Rising Season 2 | 2017 | 26 | June 30, 2017 |
| Sun & Moon: Season 3 | 2017 | 24 | April 30, 2017 |
| Sun & Moon: Season 2 | 2017 | 22 | March 31, 2017 |
| Evolutions: Season 3 | 2017 | 24 | January 31, 2017 |
| Rescue Season | 2016 | 37 | October 31, 2016 |
| Steam Season | 2016 | 38 | August 31, 2016 |
| Closure Season | 2016 | 38 | July 30, 2016 |
| Alakazam! Season | 2016 | 38 | June 30, 2016 |
| New Friends Season | 2016 | 34 | May 30, 2016 |
| Worlds Collide Season | 2016 | 38 | April 30, 2016 |
| Parallel Season | 2016 | 40 | February 29, 2016 |
| Break Season | 2016 | 38 | January 31, 2016 |
| Tech Season | 2016 | 40 | December 31, 2015 |
| Sootopolis Gym | 2015 | 55 | October 19, 2015 |
| Mossdeep Gym | 2015 | 62 | September 07, 2015 |