diff --git a/src/lib/globals/versions.ts b/src/lib/globals/versions.ts
new file mode 100644
index 0000000..7f0f81d
--- /dev/null
+++ b/src/lib/globals/versions.ts
@@ -0,0 +1,67 @@
+type MinecraftVersion = {
+    id: string;
+    name: string;
+    release_target: null | string;
+    type: string;
+    stable: boolean;
+    data_version: number;
+    protocol_version: number;
+    data_pack_version: number;
+    resource_pack_version: number;
+    build_time: string;
+    release_time: string;
+    sha1: string;
+};
+  
+const response = await fetch(
+    "https://raw.githubusercontent.com/misode/mcmeta/summary/versions/data.min.json"
+);
+const minecraftVersionData: MinecraftVersion[] = await response.json();
+
+const minecraftVersions: { format: number, label: string }[] = [];
+
+let isNewSnapshot: boolean = true;
+for (
+    let index = minecraftVersionData[0].data_pack_version;
+    index > 0;
+    index--
+) {
+    const mcVs: MinecraftVersion[] = minecraftVersionData.filter(
+        (version: MinecraftVersion) => version.data_pack_version === index
+    );
+    if (mcVs.length === 0) {
+        continue;
+    }
+    const stableMcVs: MinecraftVersion[] = mcVs.filter(
+        (version: MinecraftVersion) => version.stable
+    );
+    if (stableMcVs.length === 1) {
+        minecraftVersions.push({ format: index, label: stableMcVs[0].id });
+        isNewSnapshot = false;
+    } else if (stableMcVs.length > 1) {
+        minecraftVersions.push({ format: index, label: `${stableMcVs.at(-1)?.id} - ${stableMcVs[0].id}` });
+        isNewSnapshot = false;
+    } else if (isNewSnapshot && mcVs.length === 1) {
+        minecraftVersions.push({ format: index, label: mcVs[0].id});
+    } else if (isNewSnapshot && mcVs.length > 1) {
+        minecraftVersions.push({ format: index, label: `${mcVs.at(-1)?.id} - ${mcVs[0].id}`});
+    }
+}
+
+export const getDataPackVersion = (version: string): number => {
+    for (const dpv of minecraftVersions) {
+        if (dpv.label === version) {
+            return dpv.format;
+        }
+    }
+    throw new Error(`Unknown version ${version}`);
+};
+
+export const getAllReleases = (format: number, stableOnly: boolean): string[] => {
+    const mcVs: MinecraftVersion[] = minecraftVersionData.filter(
+        (version: MinecraftVersion) => version.data_pack_version === format && (stableOnly ? version.stable : true)
+    );
+    return mcVs.map((version: MinecraftVersion) => version.id);
+}
+
+export { minecraftVersions };
diff --git a/src/routes/+page.svelte b/src/routes/+page.svelte
index 338022d..ba77366 100644
--- a/src/routes/+page.svelte
+++ b/src/routes/+page.svelte
@@ -19,6 +19,7 @@
 	import IconPlus from '~icons/tabler/Plus.svelte';
 	import IconUpload from '~icons/tabler/Upload.svelte';
 	import IconVersions from '~icons/tabler/Versions.svelte';
+	import { minecraftVersions, getDataPackVersion, getAllReleases } from '$lib/globals/versions';
 
 	let borderStyle = "border-zinc-800"
 	let is_drag =false
@@ -386,7 +387,7 @@
 				name: title,
 				version_number: versionCode,
 				changelog: changelog,
-				game_versions: mcVersions,
+				game_versions: generate_modrinth_versions(mcVersions),
 				loaders: ["datapack"],
 				featured: true,
 				project_id: selectedModPack,
@@ -484,28 +485,16 @@
 		dpfile = dpFileInput.files?.item(0);
 	}
 
-	const minecraftVersions = [
-		{"format":4,"label":"1.13"},
-		{"format":5,"label":"1.15"},
-		{"format":6,"label":"1.16.2"},
-		{"format":7,"label":"1.17"},
-		{"format":8,"label":"1.18"},
-		{"format":9,"label":"1.18.2"},
-		{"format":10,"label":"1.19"},
-		{"format":12,"label":"1.19.4"},
-		{"format":15,"label":"1.20"},
-		{"format":18,"label":"1.20.2"},
-		{"format":26,"label":"1.20.3"},
-	];
-
-	const generate_datapackhub_versions = function(selected: Array<string>) {return selected.map(i => {if(i == "1.17") {return "1.17.x"} else return i })}
+	const generate_datapackhub_versions = function(selected: Array<string>) {
+		return selected.map(i => getDataPackVersion(i));
+	}
 
 	const generate_smithed_versions = function(selected: Array<string>) {
-		let temp = selected
-		if(temp.includes("1.17")) temp.push("1.17.1")
-		if(temp.includes("1.18")) temp.push("1.18.1")
-		if(temp.includes("1.20")) temp.push("1.20.1")
-		return temp
+		return selected.flatMap(i => getAllReleases(getDataPackVersion(i), true));
+	}
+
+	const generate_modrinth_versions = function(selected: Array<string>) {
+		return selected.flatMap(i => getAllReleases(getDataPackVersion(i), false));
 	}
 </script>