This is not a code, but a quirk of the save state architecture.
For years, a myth circulated on GameFAQs about a button cheat for the PS2 version. cheat code for parasite black
At its heart, Parasite Black is designed to evoke a sense of powerlessness. The scarcity of ammunition, the fragility of the protagonist, and the relentless AI are all intentional design choices meant to immerse the player in a world of cosmic horror. When a player activates a "God Mode" or "Infinite Resources" code, they are effectively rewriting the narrative stakes. The tension that defines the experience evaporates, replaced by a power fantasy that the developers arguably never intended. For many, this "breaking" of the game is a sacrilege; they believe that the satisfaction of overcoming a boss comes only from the sweat and frustration of repeated failure. This is not a code, but a quirk
Once you have the code from your files or supporter page, follow these steps to activate them in-game: Open the Menu : Navigate to the menu while in an active game session. Enter the Code : Type the code exactly as it appears in your cheats.txt Activation The scarcity of ammunition, the fragility of the
There is a debug weapon left in the US version.