diff --git a/README.md b/README.md
index 9aead7e..cbd8c6c 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,7 @@
 Streak keeper and XP farm for Duolingo. Never get demoted again!
 
 ### How to use
+
 1. [Fork this repository](https://github.com/rfoel/duolingo/fork)
 2. Go to [Duolingo](https://www.duolingo.com)
 3. While logged in, open the browser's console (Option (⌥) + Command (⌘) + J (on macOS) or Shift + CTRL + J (on Windows/Linux))
@@ -38,3 +39,19 @@ This repository can also "study" lessons for you. This will give you XP so you w
 
 - This project won't help with your daily or friend quests, it can only earn XP to move up the league rank;
 - This project won't do real lessons or stories, only practices, so it won't affect your learning path;
+
+## Running as a standalone script
+
+You can run this script outside GitHub if you want to. You can have an `.env` file with the `DUOLINGO_JWT` and run the script like so:
+
+```
+node --env-file=.env index.js
+```
+
+> Node v20.6.0 or later is needed to use the `--env-file` flag.
+
+You can also load the env in the terminal like so:
+
+```
+DUOLINGO_JWT=... node index.js
+```
\ No newline at end of file
diff --git a/index.js b/index.js
index 3cce6e1..63b2d46 100644
--- a/index.js
+++ b/index.js
@@ -1,95 +1,127 @@
-const headers = {
-	"Content-Type": "application/json",
-	Authorization: `Bearer ${process.env.DUOLINGO_JWT}`,
-	"user-agent":
-		"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36",
-};
+try {
+	process.env.LESSONS = process.env.LESSONS ?? 1;
 
-const { sub } = JSON.parse(
-	Buffer.from(process.env.DUOLINGO_JWT.split(".")[1], "base64").toString(),
-);
+	const headers = {
+		"Content-Type": "application/json",
+		Authorization: `Bearer ${process.env.DUOLINGO_JWT}`,
+		"user-agent":
+			"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36",
+	};
 
-const { fromLanguage, learningLanguage, xpGains } = await fetch(
-	`https://www.duolingo.com/2017-06-30/users/${sub}?fields=fromLanguage,learningLanguage,xpGains`,
-	{
-		headers,
-	},
-).then((response) => response.json());
+	const { sub } = JSON.parse(
+		Buffer.from(process.env.DUOLINGO_JWT.split(".")[1], "base64").toString(),
+	);
 
-for (let i = 0; i < process.env.LESSONS; i++) {
-	const session = await fetch("https://www.duolingo.com/2017-06-30/sessions", {
-		body: JSON.stringify({
-			challengeTypes: [
-				"assist",
-				"characterIntro",
-				"characterMatch",
-				"characterPuzzle",
-				"characterSelect",
-				"characterTrace",
-				"completeReverseTranslation",
-				"definition",
-				"dialogue",
-				"form",
-				"freeResponse",
-				"gapFill",
-				"judge",
-				"listen",
-				"listenComplete",
-				"listenMatch",
-				"match",
-				"name",
-				"listenComprehension",
-				"listenIsolation",
-				"listenTap",
-				"partialListen",
-				"partialReverseTranslate",
-				"readComprehension",
-				"select",
-				"selectPronunciation",
-				"selectTranscription",
-				"syllableTap",
-				"syllableListenTap",
-				"speak",
-				"tapCloze",
-				"tapClozeTable",
-				"tapComplete",
-				"tapCompleteTable",
-				"tapDescribe",
-				"translate",
-				"typeCloze",
-				"typeClozeTable",
-				"typeCompleteTable",
-			],
-			fromLanguage,
-			isFinalLevel: false,
-			isV2: true,
-			juicy: true,
-			learningLanguage,
-			skillId: xpGains.find((xpGain) => xpGain.skillId).skillId,
-			smartTipsVersion: 2,
-			type: "SPEAKING_PRACTICE",
-		}),
-		headers,
-		method: "POST",
-	}).then((response) => response.json());
-
-	const response = await fetch(
-		`https://www.duolingo.com/2017-06-30/sessions/${session.id}`,
+	const { fromLanguage, learningLanguage } = await fetch(
+		`https://www.duolingo.com/2017-06-30/users/${sub}?fields=fromLanguage,learningLanguage`,
 		{
-			body: JSON.stringify({
-				...session,
-				heartsLeft: 0,
-				startTime: (+new Date() - 60000) / 1000,
-				enableBonusPoints: false,
-				endTime: +new Date() / 1000,
-				failed: false,
-				maxInLessonStreak: 9,
-				shouldLearnThings: true,
-			}),
 			headers,
-			method: "PUT",
 		},
 	).then((response) => response.json());
 
-	console.log({ xp: response.xpGain });
+	let xp = 0;
+	for (let i = 0; i < process.env.LESSONS; i++) {
+		const session = await fetch(
+			"https://www.duolingo.com/2017-06-30/sessions",
+			{
+				body: JSON.stringify({
+					challengeTypes: [
+						"assist",
+						"characterIntro",
+						"characterMatch",
+						"characterPuzzle",
+						"characterSelect",
+						"characterTrace",
+						"characterWrite",
+						"completeReverseTranslation",
+						"definition",
+						"dialogue",
+						"extendedMatch",
+						"extendedListenMatch",
+						"form",
+						"freeResponse",
+						"gapFill",
+						"judge",
+						"listen",
+						"listenComplete",
+						"listenMatch",
+						"match",
+						"name",
+						"listenComprehension",
+						"listenIsolation",
+						"listenSpeak",
+						"listenTap",
+						"orderTapComplete",
+						"partialListen",
+						"partialReverseTranslate",
+						"patternTapComplete",
+						"radioBinary",
+						"radioImageSelect",
+						"radioListenMatch",
+						"radioListenRecognize",
+						"radioSelect",
+						"readComprehension",
+						"reverseAssist",
+						"sameDifferent",
+						"select",
+						"selectPronunciation",
+						"selectTranscription",
+						"svgPuzzle",
+						"syllableTap",
+						"syllableListenTap",
+						"speak",
+						"tapCloze",
+						"tapClozeTable",
+						"tapComplete",
+						"tapCompleteTable",
+						"tapDescribe",
+						"translate",
+						"transliterate",
+						"transliterationAssist",
+						"typeCloze",
+						"typeClozeTable",
+						"typeComplete",
+						"typeCompleteTable",
+						"writeComprehension",
+					],
+					fromLanguage,
+					isFinalLevel: false,
+					isV2: true,
+					juicy: true,
+					learningLanguage,
+					smartTipsVersion: 2,
+					type: "GLOBAL_PRACTICE",
+				}),
+				headers,
+				method: "POST",
+			},
+		).then((response) => response.json());
+
+		const response = await fetch(
+			`https://www.duolingo.com/2017-06-30/sessions/${session.id}`,
+			{
+				body: JSON.stringify({
+					...session,
+					heartsLeft: 0,
+					startTime: (+new Date() - 60000) / 1000,
+					enableBonusPoints: false,
+					endTime: +new Date() / 1000,
+					failed: false,
+					maxInLessonStreak: 9,
+					shouldLearnThings: true,
+				}),
+				headers,
+				method: "PUT",
+			},
+		).then((response) => response.json());
+
+		xp += response.xpGain;
+	}
+
+	console.log(`🎉 You won ${xp} XP`);
+} catch (error) {
+	console.log("❌ Something went wrong");
+	if (error instanceof Error) {
+		console.log(error.message);
+	}
 }