Shooting the weathercock sitting on top of the roof rewards you with hidden bonus points.
If you meant the legitimate arcade/console game secrets or general gameplay, here is a comprehensive guide to maximizing your performance and finding secrets in the classic Point Blank series. 🎯 Gameplay Mastery & Hidden Secrets High-Score "Cheats" and Easter Eggs Point Blank Mr Cheat – Cheatzter
Start a new game in Quest Mode and travel downward until you locate a raft. Run over this raft to immediately acquire the map. Shooting the weathercock sitting on top of the
It could be a reference to a specific guide hosted on a platform called Cheatzter or created by a user named Mr Cheat . Point Blank Mr Cheat – Cheatzter