.nson Save Editor

Use a tool like the NSON Web Editor to load the binary file.

Several dedicated save editors have been developed specifically for handling .nson files from particular games:

A simple list of "Global State" or "Game State" boolean flags (True/False) that the user can toggle to unlock specific story routes or CGs. Scene Selector: .nson save editor

.nson save editors provide valuable functionality for players who wish to customize their gaming experience, recover from progress-halting bugs, or simply reduce the time spent on repetitive grinding. Whether through dedicated applications like NMSSaveEditor, on-console tools like EdiZon, or browser-based solutions, users have multiple options at their disposal.

with open("save_edited.nson", "w") as f: json.dump(data, f, indent=2) Use a tool like the NSON Web Editor to load the binary file

A common mistake is setting a value (like money) to 999,999,999. This often exceeds the variable limit set by the game's code, causing an overflow error that crashes the game. Try to keep values reasonable (e.g., double your current amount) rather than maxing them out.

Lightweight, free, and supports syntax highlighting. Try to keep values reasonable (e

: The format is heavily used on Nintendo Switch systems for storing game saves, with strong associations to games like No Man's Sky on the platform.

, "world_state": "timestamp": 1700000000, "visited_areas": ["forest", "cave", "castle"]

For No Man's Sky players specifically, tools like NomNom and NMSE will continue evolving alongside the game itself. Each version of these editors is built with the latest game version in mind, though breaking changes can occasionally occur after major updates.