The cockroaches are proliferating. It would help if you placed bombs to destroy them. Note that it takes some time for the bomb to explode.
Place bomb using mouse.
Gems
Grand
Stack
Bubbl
Ben 1
Among
Punch
Machi
Chris
Parro
Billi
Nova
Bad S
Bridg
A Pix
Ice S
Peuge
Super
Fastl
Baby
Spin
Idle
Puzzl
Kids
Super
Stick
Squid
Attac
Make
Camp
King
Jimmy
Monst