A mutator that makes the game more painful to play by adjusting some things:
Enemies have no aim* and focus delay, it doesn't matter whether it's on Easy or Overkill 145+
There is no grace period when getting shot at.
Enemies that use shotguns no longer have damage falloff. (This includes Bulldozers, which deal 240 damage at any range now)
Enemies also have (almost) perfect accuracy regardless of range.
*Technically the whole "instant aiming" thing isn't entirely true, due to how the game handles task scheduling. Apparently this can be fixed by enabling the Modified Task Scheduler mutator.
This mod is a joke and shouldn't be taken too seriously.