Town hall doors wont open

They only open for Mystery Portal events. If you want to find out what time a Mystery Portal event, I suggest you check the Events Calendar on Garden Warfare 2's official site. Hope this helped!

@PORKCHAWP04

The Trials of Gnomus has certainly not ended.

@Cartof_AT

The doors to Town Hall open only during the Mystery Portal events and those occur from Thursday through Sunday of the first, second and fourth weeks of every month. When the event ends they stay open an extra day with the Portal shut down and then the doors close and it resets for the next scheduled event.

The first week you'll see a "Super Mix" event which is a regular multiplayer game with unusual rules, effects or circumstances applied; the second week is "Cats vs Dinos" featuring team combat with giant robots and the fourth week is "Boss Hunt" which is an intense 4 player Co-Op mode which can be fiendishly difficult to complete.

The third week of the month is scheduled for a Community Challenge so Town Hall will remain closed.