diff --git a/src/utils/puzzleUtils.js b/src/utils/puzzleUtils.js
index d81eb5c..3566e5d 100644
--- a/src/utils/puzzleUtils.js
+++ b/src/utils/puzzleUtils.js
@@ -45,8 +45,8 @@ export function generateRandomGrid(size) {
     for (let i = 0; i < size; i++) {
         const row = [];
         for (let j = 0; j < size; j++) {
-            // ~60% chance of being filled
-            row.push(Math.random() > 0.4 ? 1 : 0);
+            // ~25% empty cells
+            row.push(Math.random() > 0.25 ? 1 : 0);
         }
         grid.push(row);
     }