diff --git a/code/smartphone.js b/code/smartphone.js
index 562c7b38..8fe30061 100644
--- a/code/smartphone.js
+++ b/code/smartphone.js
@@ -95,4 +95,10 @@ window.runOnSmartphonesAfterBoot = function() {
       });
     });
   });
+
+  // Force lower render limits for mobile
+  window.VIEWPORT_PAD_RATIO = 0.1;
+  window.MAX_DRAWN_PORTALS = 500;
+  window.MAX_DRAWN_LINKS = 200;
+  window.MAX_DRAWN_FIELDS = 100;
 }