Web editor (Recommend) You can edit your nson on the web editor. Web-based save file editor for the game Nine Sols. - GitHub
If you are comfortable with the command line, the hosted on GitHub allows for batch processing. You can convert .nson to .json , edit it with an external tool like VS Code, and then convert it back. Command example: node index.js -i save.nson -o save.json . Step-by-Step Guide: How to Edit Your Save .nson save editor
"player": "name": "Aria", "level": 42, "inventory": [ "id": "sword_01", "qty": 1, "id": "potion_health", "qty": 99 ], "flags": "tutorial_complete": true, "final_boss_defeated": false Web editor (Recommend) You can edit your nson