- add Chain Reaction to sidebar.html, games.json, add screenshot

Author: TobiasMue91

data/games.json

@@ -669,5 +669,16 @@
     "aiPowered": false,
     "featured": false,
     "date": "2025-08-22"
+  },
+  {
+    "id": "chain_reaction",
+    "title": "Chain Reaction",
+    "description": "Chain Reaction - An addictive click game where you create explosive chain reactions. Click circles before they expire to trigger massive cascading combos. Features 4 unique zones, power-ups, and progressive difficulty.",
+    "url": "games/chain_reaction.html",
+    "screenshot": "screenshots/screenshot_227.webp",
+    "type": "game",
+    "aiPowered": false,
+    "featured": false,
+    "date": "2025-10-25"
   }
 ]

screenshots/screenshot_227.webp

@@ -312,6 +312,7 @@ <h2>Tools by ChatGPT</h2>
       <li><a href="/tools/time_lapse_creator.html">Time Lapse Creator</a></li>
       <li><a href="/tools/tip_calculator.html">Tip Calculator & Bill Splitter</a></li>
       <li><a href="/tools/running_pace_calculator.html">Running Pace Calculator</a></li>
+      <li><a href="/games/chain_reaction.html">Chain Reaction</a></li>
 <!-- end -->
     </ul>
   </div>