A Big Problem is the third and final Chapter in the Story Event Mystery in the Microrealms. It first became available to the public on July 21, 2015.

It is preceded by Enter Yellowjacket.



Item Quantity
Tier 3 Basic ISO-8 3
Pym Canister 4

Item Quantity
Premium Hero Crystal 1
Pym Canister 4
Gold 2000

Mystery in the Microrealms
Chapter Quests
A Tiny Issue 1. Summoner's Call
2. A Strange Secret
3. The Ant-Man Plan
Enter Yellowjacket 1. The Microrealms
2. Adaptoid Scramble
3. Arthropod Attack
A Big Problem 1. Buried Deep
2. ISO Intrigue
3. Bug Brawl

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