Board Thread:Eureka Moments/@comment-33231837-20180118132117/@comment-33231837-20180507140627

Nugu: Pretty much, but for two complicating factors:

1) There are collections (related to past events) that have had their quests removed by later updates.

2) There are a number of general and one-off item quests sprinkled throughout the game.

So, the maximum number is somewhere in the 3000s - I don't think anyone has achieved the 5000 task award.