From Guild Wars 2 Wiki
— In-game description
- Two earned from the Glorious Chest after defeating each zone's boss (once per day per zone).
- Four earned from each World 2 zone done in Tribulation Mode. (once per day, per zone)
- One earned after completing either Bonus round (Cart or Robbers, also once per day).
- You cannot earn Bauble Bubbles from defeating a boss on Infantile Mode.
- Up to 12 from the Super Adventure Box: Nostalgia achievements (once per year): one bubble for each world completed in Infantile mode, two in Normal mode, and three in Tribulation mode.
|Moto||Sunny Glade; Game Over room|
|Super Adventure Box Trader||Creator's Commons; Hub|
- The name is a reference to Bubble Bobble.