diff --git a/src/js/platform/api.js b/src/js/platform/api.js
index 99c61a20..ea6bcd1c 100644
--- a/src/js/platform/api.js
+++ b/src/js/platform/api.js
@@ -101,9 +101,15 @@ export class ClientAPI {
      */
     apiTryLogin() {
         if (!G_IS_STANDALONE) {
-            const token = window.prompt(
-                "Please enter the auth token for the puzzle DLC (If you have none, you can't login):"
-            );
+            let token = window.localStorage.getItem("dev_api_auth_token");
+            if (!token) {
+                token = window.prompt(
+                    "Please enter the auth token for the puzzle DLC (If you have none, you can't login):"
+                );
+            }
+            if (token) {
+                window.localStorage.setItem("dev_api_auth_token", token);
+            }
             return Promise.resolve({ token });
         }