League History
| Season | Cycle | Players | Season Closed |
| Sun & Moon: Season 3 | 2017 | 55 | April 30, 2017 |
| Sun & Moon: Season 2 | 2017 | 85 | March 31, 2017 |
| Sun & Moon: Season 1 | 2017 | 89 | February 28, 2017 |
| Evolutions: Season 3 | 2017 | 82 | January 31, 2017 |
| Evolutions: Season 2 | 2017 | 65 | December 31, 2016 |
| Evolutions: Season 1 | 2017 | 63 | November 30, 2016 |
| Rescue Season | 2016 | 47 | October 31, 2016 |
| Gear Season | 2016 | 34 | September 30, 2016 |
| Steam Season | 2016 | 24 | August 31, 2016 |
| Closure Season | 2016 | 19 | July 30, 2016 |
| Alakazam! Season | 2016 | 10 | June 30, 2016 |