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The map shows 28 Lost Fleas, one pin per object found in the game files, with the area of each. Mark pins as found and hide them to see what is left.
Pins by area (15 areas): Sinner’s Road (4), The Citadel (4), Far Fields (3), Deep Docks (2).
A reward that comes from a character, a quest or a boss is not an object placed in a room, so it has no pin.
1 of the 28 pins sit at the entrance of their room, because the pause map has no rectangle for that room.
All 28 objects of this kind found in the files are on the map.
Source: the game files of Hollow Knight: Silksong, build 1.0.30000 (Lost Flea: 28 pins). These pages read the game files of build 1.0.30000 (patch 1.0.30000, 16 March 2026).
PinDrop is fan-made and not affiliated with Team Cherry.