By Game Boy standards, Deep Reef Grief is very long. In terms of area, Deep Reef Grief is second only to Liftshaft Lottery in the entire DKL trilogy! And Deep Reef Grief is harder than Liftshaft Lottery. You have to spend the first half of the level dodging numerous enemies such as Lurchins, without any help from Enguarde. It does stick out like a sore thumb...