diff --git a/package-lock.json b/package-lock.json
index 5d735eb..f4ac9b7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7,6 +7,7 @@
     "": {
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       "version": "0.1.0",
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@@ -17,7 +18,8 @@
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         "react-markdown": "9.0.3",
-        "remark-gfm": "4.0.0"
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@@ -25,6 +27,7 @@
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         "@types/react": "^19",
         "@types/react-dom": "^19",
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         "typescript": "^5"
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+      "license": "BSD-2-Clause"
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@@ -1127,6 +1152,69 @@
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+      "license": "MIT",
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+      "license": "MIT",
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+      "dev": true,
+      "license": "MIT",
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+      "funding": {
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@@ -1157,6 +1245,22 @@
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+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.2.tgz",
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+      "license": "MIT",
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+        "supports-color": "^7.1.0"
+      },
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+      },
+      "funding": {
+        "url": "https://github.com/chalk/chalk?sponsor=1"
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@@ -1207,12 +1311,46 @@
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+      "resolved": "https://registry.npmjs.org/ci-info/-/ci-info-3.9.0.tgz",
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+      "dev": true,
+      "funding": [
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+          "type": "github",
+          "url": "https://github.com/sponsors/sibiraj-s"
+        }
+      ],
+      "license": "MIT",
+      "engines": {
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+      "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
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+        "color-name": "~1.1.4"
+      },
+      "engines": {
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+    "node_modules/color-name": {
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+      "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
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@@ -1223,6 +1361,30 @@
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+      "resolved": "https://registry.npmjs.org/commander/-/commander-11.1.0.tgz",
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+      "engines": {
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+    "node_modules/cross-spawn": {
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+      "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.6.tgz",
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+      "dev": true,
+      "license": "MIT",
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@@ -1272,6 +1434,24 @@
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+      "resolved": "https://registry.npmjs.org/define-data-property/-/define-data-property-1.1.4.tgz",
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+      "license": "MIT",
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+      "funding": {
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@@ -1304,6 +1484,21 @@
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@@ -1346,6 +1541,39 @@
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+      }
+    },
     "node_modules/zwitch": {
       "version": "2.0.4",
       "resolved": "https://registry.npmjs.org/zwitch/-/zwitch-2.0.4.tgz",
diff --git a/package.json b/package.json
index 1250857..830861e 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,8 @@
   "scripts": {
     "dev": "next dev --turbopack",
     "build": "next build --turbopack",
-    "start": "next start"
+    "start": "next start",
+    "postinstall": "patch-package"
   },
   "dependencies": {
     "@dnd-kit/core": "6.3.1",
@@ -17,7 +18,8 @@
     "react-dom": "19.1.0",
     "react-icons": "^5.5.0",
     "react-markdown": "9.0.3",
-    "remark-gfm": "4.0.0"
+    "remark-gfm": "4.0.0",
+    "rom-patcher-js": "github:marcrobledo/RomPatcher.js#91e522e247f709e894761157ccba3189004d0859"
   },
   "devDependencies": {
     "@tailwindcss/postcss": "^4",
@@ -26,6 +28,7 @@
     "@types/react": "^19",
     "@types/react-dom": "^19",
     "tailwindcss": "^4",
-    "typescript": "^5"
+    "typescript": "^5",
+    "patch-package": "^8.0.0"
   }
 }
diff --git a/patches/rom-patcher-js+3.0.0.patch b/patches/rom-patcher-js+3.0.0.patch
new file mode 100644
index 0000000..9971dd7
--- /dev/null
+++ b/patches/rom-patcher-js+3.0.0.patch
@@ -0,0 +1,66 @@
+diff --git a/node_modules/rom-patcher-js/rom-patcher-js/modules/BinFile.js b/node_modules/rom-patcher-js/rom-patcher-js/modules/BinFile.js
+index 5a8a855..2bc9838 100644
+--- a/node_modules/rom-patcher-js/rom-patcher-js/modules/BinFile.js
++++ b/node_modules/rom-patcher-js/rom-patcher-js/modules/BinFile.js
+@@ -29,6 +29,18 @@
+ * SOFTWARE.
+ */
+ 
++/* ensure BinFile is available in this module (browser or node bundlers) */
++if (typeof HashCalculator === 'undefined') {
++	try {
++			// eslint-disable-next-line
++			var HashCalculator = require('./HashCalculator');
++	} catch (_e) {
++			if (typeof window !== 'undefined' && window.HashCalculator) {
++					// eslint-disable-next-line
++					var HashCalculator = window.HashCalculator;
++			}
++	}
++}
+ 
+ 
+ function BinFile(source, onLoad) {
+@@ -475,9 +487,14 @@ BinFile.prototype.hashCRC16 = function (start, len) {
+ 
+ 
+ 
+-if (BinFile.RUNTIME_ENVIROMENT === 'node' && typeof module !== 'undefined' && module.exports) {
+-	module.exports = BinFile;
+-	HashCalculator = require('./HashCalculator');
+-	nodePath = require('path');
+-	nodeFs = require('fs');
++if (typeof module !== 'undefined' && module.exports) {
++    module.exports = BinFile;
++    try {
++        var __req = eval('require');
++        HashCalculator = __req('./HashCalculator');
++        nodePath = __req('path');
++        nodeFs = __req('fs');
++    } catch (_e) {
++        // ignore when bundling for browser
++    }
+ }
+diff --git a/node_modules/rom-patcher-js/rom-patcher-js/modules/RomPatcher.format.bps.js b/node_modules/rom-patcher-js/rom-patcher-js/modules/RomPatcher.format.bps.js
+index b2e8266..28eee25 100644
+--- a/node_modules/rom-patcher-js/rom-patcher-js/modules/RomPatcher.format.bps.js
++++ b/node_modules/rom-patcher-js/rom-patcher-js/modules/RomPatcher.format.bps.js
+@@ -6,6 +6,18 @@ const BPS_ACTION_SOURCE_READ=0;
+ const BPS_ACTION_TARGET_READ=1;
+ const BPS_ACTION_SOURCE_COPY=2;
+ const BPS_ACTION_TARGET_COPY=3;
++/* ensure BinFile is available in this module (browser or node bundlers) */
++if (typeof BinFile === 'undefined') {
++    try {
++        // eslint-disable-next-line
++        var BinFile = require('./BinFile');
++    } catch (_e) {
++        if (typeof window !== 'undefined' && window.BinFile) {
++            // eslint-disable-next-line
++            var BinFile = window.BinFile;
++        }
++    }
++}
+ if(typeof module !== "undefined" && module.exports){
+ 	module.exports = BPS;
+ }
diff --git a/public/patches/example_patch.bps b/public/patches/example_patch.bps
new file mode 100644
index 0000000..a32acce
Binary files /dev/null and b/public/patches/example_patch.bps differ
diff --git a/src/app/hack/[slug]/page.tsx b/src/app/hack/[slug]/page.tsx
index 83111b8..1758652 100644
--- a/src/app/hack/[slug]/page.tsx
+++ b/src/app/hack/[slug]/page.tsx
@@ -1,4 +1,5 @@
 import { hacks } from "@/data/hacks";
+import { baseRoms } from "@/data/baseRoms";
 import { notFound } from "next/navigation";
 import Gallery from "@/components/Hack/Gallery";
 import HackActions from "@/components/Hack/HackActions";
@@ -16,10 +17,18 @@ interface HackDetailProps {
 export default async function HackDetail({ params }: HackDetailProps) {
   const { slug } = await params;
   const hack = hacks.find((h) => h.slug === slug) ?? notFound();
+  const baseRom = baseRoms.find((r) => r.name === hack.baseRom);
 
   return (
     <div className="mx-auto max-w-screen-lg px-6 pb-28">
-      <HackActions title={hack.title} version={hack.version} author={hack.author} baseRom={hack.baseRom} />
+      <HackActions
+        title={hack.title}
+        version={hack.version}
+        author={hack.author}
+        baseRom={hack.baseRom}
+        platform={baseRom?.platform}
+        patchUrl={hack.patchUrl}
+      />
 
       <div className="pt-8 md:pt-10">
         <div className="flex flex-wrap items-end justify-between gap-4">
diff --git a/src/components/Hack/HackActions.tsx b/src/components/Hack/HackActions.tsx
index 1ed191e..09b553a 100644
--- a/src/components/Hack/HackActions.tsx
+++ b/src/components/Hack/HackActions.tsx
@@ -3,11 +3,31 @@
 import React from "react";
 import StickyActionBar from "@/components/Hack/StickyActionBar";
 import { useBaseRoms } from "@/contexts/BaseRomContext";
+import { baseRoms } from "@/data/baseRoms";
+import BinFile from "rom-patcher-js/rom-patcher-js/modules/BinFile.js";
+import BPS from "rom-patcher-js/rom-patcher-js/modules/RomPatcher.format.bps.js";
 
-export default function HackActions({ title, version, author, baseRom }: { title: string; version?: string; author: string; baseRom: string }) {
+interface HackActionsProps {
+  title: string;
+  version: string;
+  author: string;
+  baseRom: string;
+  platform?: "GBA" | "GBC" | "GB" | "NDS";
+  patchUrl: string;
+}
+
+const HackActions: React.FC<HackActionsProps> = ({
+  title,
+  version,
+  author,
+  baseRom,
+  platform,
+  patchUrl,
+}) => {
   const { isLinked, hasPermission, hasCached, importUploadedBlob, ensurePermission, linkRom, getFileBlob, supported } = useBaseRoms();
   const [file, setFile] = React.useState<File | null>(null);
   const [status, setStatus] = React.useState<"idle" | "ready" | "patching" | "done">("idle");
+  const [error, setError] = React.useState<string | null>(null);
 
   React.useEffect(() => {
     if (isLinked(baseRom) && (hasPermission(baseRom) || hasCached(baseRom))) {
@@ -23,17 +43,54 @@ export default function HackActions({ title, version, author, baseRom }: { title
   }
 
   async function onPatch() {
-    if (!file) {
-      if (!isLinked(baseRom) && !hasCached(baseRom)) return;
-      if (!hasCached(baseRom)) {
-        const perm = await ensurePermission(baseRom, true);
-        if (perm !== "granted") return;
+    try {
+      setError(null);
+      let baseFile = file;
+      if (!baseFile) {
+        if (!isLinked(baseRom) && !hasCached(baseRom)) return;
+        if (!hasCached(baseRom)) {
+          const perm = await ensurePermission(baseRom, true);
+          if (perm !== "granted") return;
+        }
+        const linkedFile = await getFileBlob(baseRom);
+        if (!linkedFile) return;
+        baseFile = linkedFile;
       }
-      const linkedFile = await getFileBlob(baseRom);
-      if (!linkedFile) return;
+
+      if (!patchUrl) return;
+
+      setStatus("patching");
+
+      // Read inputs
+      const [romBuf, patchBuf] = await Promise.all([
+        baseFile.arrayBuffer(),
+        fetch(patchUrl).then((r) => {
+          if (!r.ok) throw new Error("Failed to fetch patch");
+          return r.arrayBuffer();
+        }),
+      ]);
+
+      // Build BinFiles
+      const romBin = new BinFile(romBuf);
+      romBin.fileName = baseFile.name + (platform ? `.${platform.toLowerCase()}` : "");
+      const patchBin = new BinFile(patchBuf);
+
+      // Parse and apply BPS
+      const patch = BPS.fromFile(patchBin);
+      const patchedRom = patch.apply(romBin);
+
+      // Name output and download
+      const outExt = platform ? platform.toLowerCase() : 'bin';
+      const outputName = `${title} (${version}).${outExt}`;
+      patchedRom.fileName = outputName;
+      patchedRom.save();
+
+      setStatus("done");
+    } catch (e: any) {
+      setError(e?.message || "Failed to patch ROM");
+      setStatus("idle");
+      console.error(e);
     }
-    setStatus("patching");
-    setTimeout(() => setStatus("done"), 1200);
   }
 
   return (
@@ -50,6 +107,8 @@ export default function HackActions({ title, version, author, baseRom }: { title
       onUploadChange={onSelectFile}
     />
   );
-}
+};
+
+export default HackActions;
 
 
diff --git a/src/data/hacks.ts b/src/data/hacks.ts
index 4d7839a..0368a64 100644
--- a/src/data/hacks.ts
+++ b/src/data/hacks.ts
@@ -14,6 +14,7 @@ export type Hack = {
   tags: string[];
   downloads: number;
   baseRom: string;
+  patchUrl: string;
   version: string;
   createdAt: string;
   updatedAt?: string;
@@ -49,6 +50,7 @@ export const hacks: Hack[] = [
     tags: ["Short Story", "Casual"],
     downloads: 11,
     baseRom: "Pokemon Emerald",
+    patchUrl: "/patches/example_patch.bps",
     version: "v1.0.2",
     createdAt: "2025-10-01",
     updatedAt: "2025-10-05",
@@ -79,6 +81,7 @@ Built for replayability with minimal grinding. Great for casual, challenge, and
     tags: ["QoL", "Rebalance"],
     downloads: 823,
     baseRom: "Pokemon Emerald",
+    patchUrl: "/patches/example_patch.bps",
     version: "v2.1.0",
     createdAt: "2025-10-01",
     updatedAt: "2025-10-01",
@@ -110,6 +113,7 @@ Explore gyms in any order. The world adapts to your team and progress.`,
     tags: ["Open World", "Scaling"],
     downloads: 692,
     baseRom: "Pokemon Crystal",
+    patchUrl: "/patches/example_patch.bps",
     version: "v1.4.3",
     createdAt: "2025-10-01",
     updatedAt: "2025-10-01",
@@ -136,6 +140,7 @@ Challenging but fair. Expect to adjust teams and items between bosses.`,
     tags: ["Hard Mode", "AI"],
     downloads: 1102,
     baseRom: "Pokemon FireRed",
+    patchUrl: "/patches/example_patch.bps",
     version: "v3.0.0",
     createdAt: "2025-10-01",
     updatedAt: "2025-10-01",
@@ -162,6 +167,7 @@ Players who want a definitive Platinum experience without losing the heart of th
     tags: ["Lore", "Rebalance"],
     downloads: 512,
     baseRom: "Pokemon Platinum",
+    patchUrl: "/patches/example_patch.bps",
     version: "v0.9.2",
     createdAt: "2025-10-01",
   },
@@ -195,6 +201,7 @@ Runs are designed for short play sessions (20–45 minutes).`,
     tags: ["Roguelite", "Randomizer"],
     downloads: 1341,
     baseRom: "Pokemon Emerald",
+    patchUrl: "/patches/example_patch.bps",
     version: "v0.8.0",
     createdAt: "2025-10-01",
     socialLinks: {
@@ -225,6 +232,7 @@ Deliver a "what-if definitive edition" feel for repeat Unova playthroughs.`,
     tags: ["Expanded Dex", "QoL"],
     downloads: 431,
     baseRom: "Pokemon Black Version 2",
+    patchUrl: "/patches/example_patch.bps",
     version: "v1.2.0",
     createdAt: "2025-10-01",
   },
@@ -250,6 +258,7 @@ Challenge through strategy, not grind.`,
     tags: ["Rebalance", "Johto"],
     downloads: 377,
     baseRom: "Pokemon HeartGold",
+    patchUrl: "/patches/example_patch.bps",
     version: "v1.0.5",
     createdAt: "2025-10-01",
   },
@@ -267,6 +276,7 @@ Challenge through strategy, not grind.`,
     tags: ["Vanilla+", "QoL"],
     downloads: 845,
     baseRom: "Pokemon Emerald",
+    patchUrl: "/patches/example_patch.bps",
     version: "v1.3.1",
     createdAt: "2025-10-01",
   },
@@ -292,6 +302,7 @@ Feels like the Sapphire you remember—just tighter and more replayable.`,
     tags: ["Remix", "AI"],
     downloads: 264,
     baseRom: "Pokemon Sapphire",
+    patchUrl: "/patches/example_patch.bps",
     version: "v0.7.0",
     createdAt: "2025-10-01",
   },
diff --git a/src/types/rom-patcher-js.d.ts b/src/types/rom-patcher-js.d.ts
new file mode 100644
index 0000000..0037239
--- /dev/null
+++ b/src/types/rom-patcher-js.d.ts
@@ -0,0 +1,57 @@
+declare module 'rom-patcher-js/rom-patcher-js/modules/BinFile.js' {
+  export interface BinFileInstance {
+    fileName: string;
+    fileType: string;
+    fileSize: number;
+    littleEndian: boolean;
+    _u8array: Uint8Array;
+    seek(offset: number): void;
+    skip(nBytes: number): void;
+    isEOF(): boolean;
+    slice(offset?: number, len?: number, doNotClone?: boolean): BinFileInstance;
+    copyTo(target: BinFileInstance, offsetSource: number, len?: number, offsetTarget?: number): void;
+    save(): void;
+    getExtension(): string;
+    getName(): string;
+    setExtension(newExtension: string): string;
+    setName(newName: string): string;
+    readU8(): number;
+    readU16(): number;
+    readU32(): number;
+    readBytes(len: number): number[];
+    readString(len: number): string;
+    writeU8(u8: number): void;
+    writeU16(u16: number): void;
+    writeBytes(bytes: number[]): void;
+    hashCRC32(start?: number, len?: number): number;
+  }
+
+  const BinFile: {
+    new (source: ArrayBuffer | ArrayBufferView | File | FileList | HTMLElement | number): BinFileInstance;
+    prototype: BinFileInstance;
+  };
+  export default BinFile;
+}
+
+declare module 'rom-patcher-js/rom-patcher-js/modules/RomPatcher.format.bps.js' {
+  import BinFile from 'rom-patcher-js/rom-patcher-js/modules/BinFile.js';
+
+  export interface BPSInstance {
+    sourceSize: number;
+    targetSize: number;
+    metaData: string;
+    sourceChecksum: number;
+    targetChecksum: number;
+    patchChecksum: number;
+    apply(romFile: BinFile, validate?: boolean): BinFile;
+    export(fileName?: string): BinFile;
+  }
+  const BPS: {
+    new(): BPSInstance;
+    prototype: BPSInstance;
+    MAGIC: string;
+    fromFile(file: BinFile): BPSInstance;
+  };
+  export default BPS;
+}
+