List Games.

index.ts

import * as admin from "firebase-admin";

admin.initializeApp({
  projectId: "",
});

const db = admin.firestore();

(async () => {
  const dataArray = (
    await db.collection("games").get()
  ).docs.map((queryDocumentSnapshot) => queryDocumentSnapshot.data());

  console.log(
    dataArray.map((data) => ({
      id: data.id,
      title: data.title,
      brandName: data.brandName,
    }))
  );
})();