At the end of each mission your techniques are ranked. Your score will depend on how many enemies you killed and under what circumstances. If you score a high rank, some of your ninja items will be increased. Score the highest rank, Grand Master, and you will be rewarded with Grand Master items.
| RANK NAME | POINTS NEEDED | REWARDS |
| 0-100 | No item reward | |
| 101-200 | No item reward | |
| 201-300 | No item reward | |
| 301-399 | Ninja items increased | |
| 400+ | Ninja items increased. Grand Master item unlocked. |
| Task: | Score Effect: |
| Stealth Kill | +20 Points |
| Detected Kill | +5 Points |
| Never Get Spotted | +100 Points |
| Finish Mission | +300 Points |
| Get Spotted | -20 Points |
| Kill An Innocent | -30 Points |