Treasure #1 - Aegis Chain
Search under the pillar.
Head to the central section of The City and make your way up the circular building to the east. You’ll find this chest by the pillar supporting the top platform.
Treasure #2 - Skill Ring+
Run up the southern side of the building to reach this position.
Head to the square building to the southeast of The City and run up the south side of the building. You’ll find a gap in between two sections of the building with the chest sitting in between.
Treasure #3 - Map: The City
Look to your left once you enter the World.
Upon entering San Fransokyo and making your way to the city for the first time, look to your left to spot the chest.
Treasure #4 - Hi-Refocuser
Look under the road leading to the highway.
Head to the western exit located in the center of the map and look under the road leading to the highway.
Treasure #5 - AP Boost
Look behind the boxes to find this chest.
Make your way to the northern district and head to the residential area, at the end of the path are boxes, look behind them to find the chest.
Treasure #6 - Electrum
Search on the platform nearest to the railway.
Head to the northeast of The City and follow the tracks down to the south, on the first building you come to will be a chest close to the tracks themself.
Treasure #7 - Phantom Ring
Search among the doorways in the southwest.
Head to the row of buildings to the southwest and you’ll find this chest in the doorway.
Treasure #8 - AP Boost
Search on the building in the middle of the two western exits.
Head along the western edge of the map and you’ll come across two exits to the west. Head to the roof of the building in the middle of these two exits and look in the middle of two air conditioning units.
Treasure #9 - Mega-Ether
Search the northern side of this building.
Head to the position on the image, found in the center of The City. You’ll find the chest on the northern edge of the building.
Treasure #10 - Adamantite
Search along the southern wall to find this chest.
Head to the railway tunnel found in the northeast and search around the wall to the south of the building.
Treasures #11, #12 and #18 - Mega-Potion, Thundaga Trinket, Mega-Ether
You’ll find these three chests on the roof of the building near the western exit.
Head to the western exit and climb the rooftop with the circular billboards nearby. At the top, you’ll find all three chests around the pylon.
Treasure #13 - Elixir
Search under the railway to the northwest.
Head to the northwest of The City and search under the railway, the chest sits next to a vending machine.
Treasure #14 - Storm Fan
Head north from the previous chest.
Head along the rooftops north of the previous chest to find this one sitting on top.
Treasure #15 - AP Boost
Search behind the air conditioning unit.
Head along the rooftops in the northwest part of The City and search behind an air conditioning unit of the eastern house.
Treasure #16 - Magic Boost
Search on the concrete awning.
Head along the row of houses in the northwest part of The City and you’ll find this chest on a concrete awning along the western side of the street.
Treasure #17 - Hi-Ether
Search the north side of this building.
Head between the two western exits in the central part of The City and climb the eastern row of buildings. Drop down to the northern side of this building to find the chest.
Treasure #19 - Nirvana+
Climb to the top of this building.
Climb to the top of the northeast building on the map, the chest sits right at the very top.
Treasure #20 - AP Boost
Search in the southwestern corner of the map.
Head to where the exit is in the southwest part of The City and then follow the southern edge to come across this chest.
Treasure #21 - Damascus
Search along the buildings in the southwest.
Go to the southwest side of The City and make your way to the second building on the west, the chest sits on the ground of the south side.
Treasure #22 - Adamantite
Search around the parking lot.
Head to the parking lot found in the northeast side of The City and search behind the advertising boards.
Treasure #23 - Divine Bandanna
Search the ground to the west of the previous chest.
Head to the building in the center of the The City and search the south side to find this chest between two vending machines.
Treasure #24 - Hi-Refocuser
Head up the northern side of this building.
Climb the northern side of the previous building to find this chest behind a billboard.
Treasure #25 - Star Charm
Climb the support pillar to find this chest.
Head to the western exit in the central part of The City and climb the support pillar from the ground, the chest sits on the corner of this.
Treasure #26 - Electrum
search between the two row of buildings here.
Head to the two rows of buildings in the middle of the two western exits and drop down in the middle of them, the chest is in an alcove here.
Treasure #27 - Buster Band
Climb the chef statue to find this.
Go to the Southwest side of The City and begin climbing the chef statue, you’ll find the chest on the first platform as you make your way up.
Treasure #28 - Magic Boost
Run up the wall of the tunnel entrance.
Head to the railway tunnel entrance in the northeast of The City and run up the wall of the western entrance. You’ll reach a small ledge here with the chest on it.
Treasure #29 - Strength Boost
Search behind the boxes.
Go to the row of houses in the northwest and head into the alley, you’ll find a pallet of boxes you can leap over.
Treasure #30 - Midnight Anklet
Search under the pillar.
Climb the large circular building to the northeast and search by the pillar supporting the top platform.
Treasure #31 - Mega-Potion
Search behind the billboards.
Climb the buildings to the southwest and look behind the large billboards to discover this chest.
Treasure #32 - Damascus
Head to the end of the alley.
Go to the row of houses in the northwest and head into the alley, you’ll find the chest sitting at the end of the path against the wall.
Treasure #33 - AP Boost
Climb up to the ledge around the roof.
Head to the railway tunnel entrance in the northeast of The City and run up the wall of the western entrance. Keep running up this building and you’ll find a small ledge just before the roof with this chest on it.
Treasure #34 - Classic Kingdom: Mickey’s Mechanical Man
Look for a helipad.
Head to the row of buildings in the middle of the two western exits and climb to the roofs of the western row. You’ll find a helipad on the northern roof housing the chest.
Treasure #35 - Classic Kingdom: How to Play Baseball
Look to the north side of this roof.
Go to the southwest of The City and head to the rooftop of the second western building (starting from the southern most building), the chest sits on the north side.
Treasure #36 - Classic Kingdom: Mickey Steps Out
Strike from the sky to reveal this chest.
Head under the highway in the central part of The City and continue until you find an advertising board on it’s own. Run up the building to the side of it and leap off to strike it, revealing the chest in the process.