diff --git a/packages/core/src/blitz/blitzVFS.ts b/packages/core/src/blitz/blitzVFS.ts
new file mode 100644
index 000000000..776381056
--- /dev/null
+++ b/packages/core/src/blitz/blitzVFS.ts
@@ -0,0 +1,25 @@
+export enum BlitzVFSSourceType {
+  Steam,
+}
+
+type BlitzVFSSource = {
+  type: BlitzVFSSourceType;
+
+  username: string;
+  password: string;
+
+  app: number;
+  os: "windows";
+};
+
+export class BlitzVFS {
+  constructor(private source: BlitzVFSSource) {}
+
+  async init() {
+    return this;
+  }
+
+  async file(path: string) {
+    return new Uint8Array();
+  }
+}