Dredd: A Plot Summary Comparison

Netflix:
In the future, catastrophic wars have transformed Earth into a barren wasteland with the remaining population crowded into megacities, where all-powerful cops — including the ultraviolent Judge Dredd — are on the hunt for drug-dealing terrorists. (c) Netflix

Allen:
Two heavily-armed cops fight their way out of a vertical slum controlled by an ultra-violent drug gang.

Bonus Observation:
Enjoyability factor: High