Board Thread:Eureka Moments/@comment-27904998-20170101054545/@comment-27904998-20170207091128

Earlier in this thread, there was a question about the effect of combining two bombs. I finally managed to get a good screenshot of the effect.

Before:



After:



Basically the bomb radius is double the radius of a single bomb and you don't need two other gems of the same colour to trigger the explosion.