Requirments:
- Firefox or Chrome
- Fiddler
- Winrar
- MAXALLTUNING – [LINK]
Fiddler Setting
Click Tools > Fiddler Options > Check Capture HTTPS CONNECTs > Check Decrypt HTTPS Traffic
Steps:
1. Open Fiddler and click Autoresponder tab.
2. Check the two boxes and drag the files that you have just downloaded.
3. Click “SAVE” to your fiddler.
4. Clear Cache to your fiddler and to your browser.(MOST IMPORTANT)
5. Go to Tetris Battle
ENJOY!!!!
Note: This is not permanent, everything will back to normal when you disable the cheat

Note: This is not permanent, everything will back to normal when you disable the cheat
How to clear browser cache (shortcut key: hold ctrl+shift+delete)
Mozilla Firefox:
Click Tools > Clear Recent History > Check Cache > Press Clear Now
Google Chrome:
Click Tools Icon (at the top right) > Click Options > Under The Hood > Clear Browser Cache