League History
| Season | Cycle | Players | Season Closed |
| Team Up: Season 2 | 2019 | 90 | March 31, 2019 |
| Team Up: Season 1 | 2019 | 90 | February 28, 2019 |
| Lost Thunder: Season 1 | 2019 | 90 | November 30, 2018 |
| Forbidden Light: Season 2 | 2018 | 36 | June 30, 2018 |
| Forbidden Light: Season 1 | 2018 | 36 | May 31, 2018 |
| Crimson Invasion: Season 2 | 2018 | 36 | December 31, 2017 |
| Crimson Invasion: Season 1 | 2018 | 36 | November 30, 2017 |
| Burning Shadows: Season 3 | 2018 | 36 | October 31, 2017 |
| Burning Shadows: Season 1 | 2018 | 36 | August 31, 2017 |
| Guardians Rising Season 3 | 2017 | 37 | July 31, 2017 |
| Guardians Rising Season 2 | 2017 | 37 | June 30, 2017 |
| Guardians Rising Season 1 | 2017 | 37 | May 31, 2017 |
| Sun & Moon: Season 3 | 2017 | 38 | April 30, 2017 |
| Sun & Moon: Season 2 | 2017 | 27 | March 31, 2017 |
| Sun & Moon: Season 1 | 2017 | 23 | February 28, 2017 |
| Evolutions: Season 3 | 2017 | 18 | January 31, 2017 |
| Evolutions: Season 2 | 2017 | 16 | December 31, 2016 |
| Evolutions: Season 1 | 2017 | 14 | November 30, 2016 |
| Rescue Season | 2016 | 9 | October 31, 2016 |
| Gear Season | 2016 | 6 | September 30, 2016 |
| Steam Season | 2016 | 6 | August 31, 2016 |
| Alakazam! Season | 2016 | 6 | June 30, 2016 |
| Worlds Collide Season | 2016 | 4 | April 30, 2016 |