1. Initiate the minigame by talking to Croft, a well dressed man standing outside the cafe at Cannes.

2. The first treasure, Wheel of Fortune Tarot Card, is lying somewhere around the chain where you fought Oscar at St. Marguerite Island.

3. Talk to Croft at Cannes after you got it. He'll give you the second clue.

4. The treasure is Seere Crest and it's somewhere around the pillar where Karin and Yuri talked at Goreme Valley.

5. Go back Cannes and get the third clue from Croft.

6. The treasure is at Warship Mikasa. At the Cabin's room, check the uniform to get Instant Death 2, the third treasure.

7. Go to Yokohama Streets and talk to Croft there, he's standing at the second crossroads, he'll give you the 4th clue.

8. The treasure is in Forest of Wind. Follow the linear path until you see it splits into 2, examine the intersection to find Blood Jewel, the 4th treasure. (It's a little to the right actually)

9. Talk to Croft again at Yokohama Streets to get the final clue.

10. The final treasure is Dog Bone, it lies at the stone thingie in Mukyo-An at the Imperial Capital. It's opposite where Naniwa is sitting.

11. Go back to where Croft stood at Yokohama Streets and you'll find him missing. Talk to the boy standing there and he'll tell you he left sometime ago. End of the treasure hunting minigame.