Made of little things.

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$version": 4,
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "traffic": {
      "type": "string",
      "title": "Traffic",
      "description": "How many cars share the road with you.",
      "enum": [
        "light",
        "normal",
        "rush"
      ],
      "default": "normal",
      "x-napplet-section": "Gameplay",
      "x-napplet-order": 1
    },
    "rudeness": {
      "type": "integer",
      "title": "Rude drivers (%)",
      "description": "Share of drivers who cut you off, brake-check and honk. Applies to newly spawned cars.",
      "minimum": 0,
      "maximum": 100,
      "default": 45,
      "x-napplet-section": "Gameplay",
      "x-napplet-order": 2
    },
    "touchControls": {
      "type": "string",
      "title": "Touch controls",
      "description": "Show on-screen pedals and steering. Auto shows them on touch screens.",
      "enum": [
        "auto",
        "always",
        "never"
      ],
      "default": "auto",
      "x-napplet-section": "Controls",
      "x-napplet-order": 1
    },
    "soundVolume": {
      "type": "integer",
      "title": "Sound volume (%)",
      "description": "Engine, horns and crashes. 0 turns sound off. Press K in game to mute.",
      "minimum": 0,
      "maximum": 100,
      "default": 80,
      "x-napplet-section": "Sound",
      "x-napplet-order": 1
    },
    "screenShake": {
      "type": "boolean",
      "title": "Screen shake",
      "description": "Shake the view on crashes. Always off when reduced motion is requested.",
      "default": true,
      "x-napplet-section": "Accessibility"
    }
  }
}