These are not hacks but legitimate game features that can reveal parts of the map as you explore.
However, using a "full maphack" in Project Diablo 2 is a complex topic that involves balancing game performance, strict ladder security rules, and built-in developer features. Here is everything you need to know about navigating map modifications in PD2. The Truth About Third-Party "Full Maphacks" pd2 maphack full
Don't hack; communicate. If you run maps with a Barbarian (for Battle Orders) and a Paladin (for Conviction), the gameplay is safer than any maphack. These are not hacks but legitimate game features
In areas like the Tower Cellars or Durance of Hate , the exit is almost always to the "left" of the tile your character enters from. The Truth About Third-Party "Full Maphacks" Don't hack;
Project Diablo 2 runs on a modified ecosystem. Legacy tools like BH Maphack, Sting's, or C3PO do not work natively with PD2’s updated architecture. Forcing them to run will crash your client or immediately flag your account on the server logs. 3. Community Blacklisting