Make all your buildings spawn crabs at once. Remove the max crab limit for each building.
Removes the limit on the number of crabs. A building can usually only spawn upto 10 crabs at a time.
Cause all friendly buildings to spawn a crab. The max crab limit applies if remove crab limit is not on.
Cause all enemy buildings to spawn a crab. The max crab limit applies if remove crab limit is not on.