Unlimited Inventory:
Required Tools:
Cheat Engine

Info:
Free users are only allowed 40 items to storage.
Premium users are allowed 80 items to storage.

Steps:
1. Go to Ninja Saga(stop on character select screen).
2. Open Cheat engine and hook to process "plugin-container.exe".
3. Scan Type: Search for this array, Value Type: Array of Bytes, Check HEX.
4. Scan for "08 00 00 00 01 00 00 00 14 00 00 00 14 00 00 00" if your FREE USER.
4. Scan for "08 00 00 00 01 00 00 00 28 00 00 00 14 00 00 00" if your PREMIUM USER.
5. Double Click Value.

6. Change Value to "08 00 00 00 01 00 00 00 FF FF 00 00 14 00 00 00 ".
7. Check (tick) the "Frozen" box at the left side of the address.
8. Choose Character then click "PLAY".
9. Go to SHOP & buy as much as you want!

Credits :

KOMENG