List of treasure chests in Super Paper Mario

This is a list of treasure chests from Super Paper Mario. There are 111 treasure chests in the game.

There are two types of chests: Small ones contain either generic items, side-quest important things, Catch Cards or items required for progression. During the story, the big ones contain Pixls, while in the Pits of 100 Trials, they contain Catch Cards.

Yold Desert, Merlee's Basement, Outer Space, Planet Blobule, Outer Limits, Sammer's Kingdom, World of Nothing, Sammer's Proving Grounds and Sammer's Endgame are the only locations without any treasure chests.

Chapter 1	Lineland Road • Mount Lineland • Yold Ruins
Between Chapter 1 and Chapter 2	Flipside
Chapter 2	Gloam Valley • Merlee's Mansion (2-2) • Merlee's Mansion (2-3)
Between Chapter 2 and Chapter 3	Flipside
Chapter 3	The Bitlands • The Tile Pool • The Dotwood Tree • Fort Francis
Chapter 4	Whoa Zone
Between Chapter 4 and Chapter 5	Flopside • Flipside
Chapter 5	Downtown of Crag • Gap of Crag • Floro Caverns (5-3) • Floro Caverns (5-4)
Between Chapter 5 and Chapter 6	Flipside • Flopside • Downtown of Crag
Chapter 6	Sammer's Early Duels
Between Chapter 6 and Chapter 7	The Underwhere • Flopside
Chapter 7	Underwhere Road • Overthere Stair • The Overthere
Chapter 8	Castle Bleck Entry • Castle Bleck Foyer • Castle Bleck Interior • Castle Bleck Inner Sanctum
Pits of 100 Trials	Flipside Pit of 100 Trials • Flopside Pit of 100 Trials

Treasure chest locations

Chapter 1-1 The Adventure Unfolds
Lineland Road	Shroom Shake	In the underground scene after entering the second pipe in the first scene.
Lineland Road	Koopa Troopa Catch Card	In the last scene, found by flipping to 3-D at the very end and going to secret section.
Chapter 1-2 Afoot in the Foothills
Mount Lineland	Paratroopa Catch Card	In the first scene, there is a secret path visible after flipping to 3-D near the start of the area.
Mount Lineland	Thoreau	In the room after reaching the end of the second house in Yold Town.
Chapter 1-4 Monster of the Ruins
Yold Ruins	Life Shroom	In the second scene, found by going to the upper east and then down the ladder which is found there.
Yold Ruins	Ruins Key	In the upper part of fourth scene.
Yold Ruins	Buzzy Beetle Catch Card	In the eighth scene, after reaching the east end and then flipping to 3-D, a secret path is revealed. Chest is found at the end of it.
Between Chapter 1 and Chapter 2
Flipside	Merlon and Merluvlee Catch Cards	After getting the Old Key from Merlon, used to reach 1st Floor Outskirts, found after falling in the first hole.
Chapter 2-1 Bogging to Merlee's
Gloam Valley	Door Key	In the first scene, there is a pipe found above the exit door. By entering it and defeating the enemies inside, a chest spawns.
Gloam Valley	Boomer	In the fifth scene, there is a pipe found near the end. By entering it, pushing a ! switch in the first room and defeating a Growmeba in the second one, a chest spawns.
Gloam Valley	Watchitt Catch Card	After getting Boomer from the previous chest, he can be used to blow up a cracked wall behind the chest. Then by flipping into 3-D with Mario, another chest can be reached
Gloam Valley	Shlurp and Swooper Catch Cards	In the last scene, there is a hole visible only after flipping into 3-D. Chests can be found at the bottom of said hole.
Chapter 2-2 Tricks, Treats, Traps
Merlee's Mansion	Stop Watch	In the outside scene, found at the top of the roof.
Merlee's Mansion	Cursya Catch Card	Same scene, found on the balcony above the entrance door.
Merlee's Mansion	House Key	After reaching the the room with spike ceiling trap (last door on the second floor of the second room), found at the end of the path above the trap.
Chapter 2-3 Breaking the Bank
Merlee's Mansion	Boo Catch Card	In the secret section of the first room found after going to east part of the second floor, flipping into 3-D and blowing up the Brick Blocks with Boomer.
Merlee's Mansion	Slim	In the secret section of the first room found after going to west part of the second floor and flipping into 3-D.
Between Chapter 2 and Chapter 3
Flipside	Cooking Disk R/2 (PAL)	After reaching the middle part of the 2nd Floor, going left, then destroying the brick blocks with Boomer to reach a pipe to the foreground part of 3rd Floor. Here, Mario must use Tippi's ability to make a path out of Hard Blocks. Chest is found at the end of the path, at the large block platform.
Flipside	The InterNed Catch Card	After using the newly functional elevator from 1st Floor to B1, then going right to the water and flipping into 3-D, found in the alcove in the wall.
Chapter 3-1 When Geeks Attack
The Bitlands	Piranha Plant Catch Card	In the first scene, found at the end on the block platform.
The Bitlands	Thunder Rage	Same scene, after going through the pipe at the very end, Mario is taken into the background. Chest is found after entering the next pipe there.
The Bitlands	Magikoopa Catch Card	In the underground scene, after reaching the very end, going through the rightmost pipe in the secret section. Found at the ground after flipping to 3-D.
Chapter 3-2 Bloops Ahoy
The Tile Pool	Gold Bar	In the second scene, after reaching the first dry part (the one in the pipe), found behind said pipe after flipping into 3-D.
The Tile Pool	Thudley	After going through the pipe near the previous chest and the door at the end of the new scene, a door locks. Enemies in this room must be defeated to make the chest appear.
Chapter 3-3 Up, Up, and a Tree
The Dotwood Tree	Peach (2) Catch Card	In the inside scene, found in the room accessed by a pipe jutting out of the right wall. Here, two Chain Chomps must be defeated for chest to appear.
Chapter 3-4 The Battle of Fort Francis
Fort Francis	Fort Key	In the first scene, there is a pipe only visible after reaching the east end and flipping into 3-D. Chest is in the room reached by the said pipe.
Fort Francis	Fort Key	In the room reached by a outdoor bridge and going past the SecuriMeow.
Fort Francis	Fort Key	In the room reach by going past the SecuriMeow and the elevator.
Chapter 4-4 The Mysterious Mr. L
Whoa Zone	Dimension Key	At the end of the fourth scene.
Whoa Zone	Dimension Key	At the ceiling of the scene with the second locked door.
Whoa Zone	Dimension Key	In the scene reached by the third door in the room with 90° gravity switches.
Between Chapter 4 and Chapter 5
Flopside	Cooking Disk W/3 (PAL)	After reaching the foreground part of the 3rd Floor. Here, Mario must use Tippi's ability to make a path out of Hard Blocks. Chest is found at the end of the path, at the large block platform.
Flopside	Piccolo	In the house with the locked door in the back part of 1st Floor. Key to it is granted after the trading sidequest available after placing the blue Pure Heart into its pillar.
Flopside	Nolrem Carch Card	Found at the end of the foreground part of the 3rd Floor, after using Piccolo's ability to remove certain blocks.
Flipside	Merlee Catch Card	Found at the end of the foreground part of the 3rd Floor, after using Piccolo's ability to remove certain blocks.
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Downtown of Crag	Moon Cleft Catch Card	In the second scene, found in the alcove after jumping down between the two elevated grounds to the west and flipping to 3-D.
Downtown of Crag	Bowser (2) Carch Card	Same scene, after entering the easternmost pipe and defeating the enemies there, a chest spawns.
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Gap of Crag	Water Tablet	In the first scene, found under the water.
Gap of Crag	Stone Buzzy Catch Card	In the last scene, found after reaching the east end and flipping to 3-D.
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Floro Caverns	Shroom Shake	Found after entering the third pipe in the third scene and the flipping to 3-D to find a secret section of the room.
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Floro Caverns	Floro Cragnien Catch Card	Found at the west end of the third scene of the Processing Center.
Between Chapter 5 and Chapter 6
Flopside	Power Plus	After breaking the block in B2 Outskirts and then pressing newly revealed ! Switch, a secret part of the room with a chest is revealed.
Flopside	Barry Catch Card	After falling through the hole in B2 Outskirts and then reaching the end.
Flopside	Golden Card, Cooking Disk B/5 (PAL)	In the secret room of The Overthere Bar, accessible by flipping to 3-D.
Flipside	The InterChet Catch Card	After breaking the block in B1 Outskirts of Flopside, the block in B1 Outskirts of Flipside is broken too. Chest is found at the end of the new path.
Flipside	HP Plus	After breaking the block in B2 Outskirts of Flopside, the block in B2 Outskirts of Flipside is broken too. A ! Switch is revealed there and by pressing it a secret part of the room with a chest is revealed.
Downtown of Crag	Cooking Disk G/6 (PAL)	In the first scene, at the end, after flipping to 3-D, there is a small opening accessible only by using Dottie's ability. There, Mario must go through the pipe to reach the other side of the water and then flip into 3-D to see the chest.
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Sammer's Early Duels	Bomb Trap Dud	In the middle of the first scene. This chest is required to be opened to progress through the game. It contains a bomb, which turns out to be a dud. Afterwards the chest despawns.
Between Chapter 6 and Chapter 7
The Underwhere	Dry Bones Catch Card	Found in the scene where Luigi is recruited, in the foreground after flipping to 3-D in the alcove.
The Underwhere	Peach (3) Catch Card	In the second scene, found after entering fourth pipe in the upper part of the scene, then the last pipe in the background. Here, a Gigabite must be defeated for chest to appear.
Flopside	Piccolo Catch Card	After returning from The Underwhere with Luigi, he can be used in B1 Outskirts to reach the top of the wall. Here, Mario must flip to 3-D to see an opening. He should go there to see a chest on the ground.
Chapter 7-2 The Sealed Doors Three
Underwhere Road	Dark Boo Catch Card	In the second scene, found under the platform reached by the third flipping rectangles.
Chapter 7-3 The Forbidden Apple
Overthere Stair	Rawbus Catch Card	In the second scene, found at the end of the cloud next to the cloud 25.
Overthere Stair	Ruff Puff Catch Card	In the third scene, found at the end of the cloud 34.
Overthere Stair	Shroom Shake	In the fourth scene, found on the cloud reached by the platforms left of the cloud 43.
Overthere Stair	Long-Last Shake	In the sixth scene, found on the cloud 68.
Overthere Stair	Thunder Rage	Same scene, found at the end of cloud 69.
Overthere Stair	Life Shroom	In the seventh scene, found on the cloud under the cloud 75.
Overthere Stair	Gold Bar	Same scene, found on the roof of the structure found on the cloud 80.
Overthere Stair	Zombie Shroom Catch Card	In the last scene, found at the end of the last cloud.
Chapter 7-4 A Bone-Chilling Tale
The Overthere	Cooking Disk PU/7 (PAL)	In sector 2, there is a pipe hidden behind the easternmost collumn in 3-D. Mario should enter it and defeat a Gigabite there to make the chest appear.
The Overthere	Skellobit and Skellobomber Catch Cards	In sector 5, there is a pipe found on the cloud under the entrance door. Chests are found on the highest cloud in this secret scene.
The Overthere	+ Male Nimbi holding Ultra Shroom Shake	In sector 7, found at the end of the lowest cloud. Inside the chest is a male Nimbi, who gives the group an Ultra Shroom Shake. He then goes back and closes the chest. The chest then stays closed for the remainder of the game.
The Overthere	Spiky Skellobit Catch Card	In the last outside scene, Mario should flip into 3-D right before the stairs and then go left to find another chest hidden there.
The Overthere	Ultra Shroom Shake	Same scene, at the east end of the scene, at the bottom.
Chapter 8-1 The Impending Darkness
Castle Bleck Entry	Stop Watch, Long-Last Shake	After going through the door on the top of the fourth scene, these chests can be found at the west end of the scene.
Castle Bleck Entry	Castle Bleck Key	Same scene, there is a pipe at the east end of the scene. Chest is found at the end of the room accessed by said pipe.
Chapter 8-2 The Crash
Castle Bleck Foyer	Courage Shell, Castle Bleck Key, Life Shroom	At the upper part of the second scene, accessed by a pipe from the prison scene.
Castle Bleck Foyer	Ultra Shroom Shake	After going through the middle door in the third scene, the group reaches outside. Here, Mario should flip into 3-D to see a hidden path. Chest is at the end of said path.
Chapter 8-3 Countdown to Destruction
Castle Bleck Interior	Ice Storm	In the third scene, after going through the mirror in 3-D, found at the east end.
Castle Bleck Interior	Castle Bleck Key	Same scene, found at the west end.
Castle Bleck Interior	Castle Bleck Key	In the seventh scene, in the middle.
Castle Bleck Interior	Castle Bleck Key	In the ninth scene (the second one with mirrors), after going through the mirror in 3-D, found at the east end.
Castle Bleck Interior	Thunder Rage	Same scene, at the west end.
Chapter 8-4 Tippi and Count Bleck
Castle Bleck Inner Sanctum	Castle Bleck Key	After reaching the middle of the fourth scene, flipping into 3-D and going through the pipe, the chest is found at the end of the room, accessed by Dottie's ability.
Castle Bleck Inner Sanctum	Shooting Star	In the sixth scene (first maze scene), after flipping into 3-D and goin into the eastern most hallway, found at the end of said hallway.
Castle Bleck Inner Sanctum	Super Shroom Shake	In the seventh scene (second maze scene), found at the end of the hallway accessed from the lower opening in the right wall of the first hallway.
Castle Bleck Inner Sanctum	Ultra Shroom Shake	In the eighth secene (third maze scene), found at the end of the hallway accessed by going to the upper opening in the right wall of the first hallway and then lower opening in the right wall of the second hallway.
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Flipside Pit of 100 Trials	Tippi and Thoreau Catch Cards	NOTE: These two chests share the same layout, so only one image is here. In the middle of the rooms 10 and 20.
Flipside Pit of 100 Trials	Boomer and Slim Catch Cards	NOTE: These two chests share the same layout, so only one image is here. In the middle of the rooms 30 and 40.
Flipside Pit of 100 Trials	Thudley ands Carrie Catch Cards	NOTE: These two chests share the same layout, so only one image is here. In the middle of the rooms 50 and 60.
Flipside Pit of 100 Trials	Fleep, Cudge and Dottie Catch Cards	NOTE: These three chests share the same layout, so only one image is here. In the middle of the rooms 70, 80 and 90.
Flipside Pit of 100 Trials	Dashell	In the romm 100, spawns in after defeating Wracktail.
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Flopside Pit of 100 Trials	Dashell and Goombario Catch Cards	NOTE: These two chests share the same layout, so only one image is here. In the middle of the rooms 10 and 20.
Flopside Pit of 100 Trials	Kooper and Bombette Catch Cards	NOTE: These two chests share the same layout, so only one image is here. In the middle of the rooms 30 and 40.
Flopside Pit of 100 Trials	Parakarry and Bow Catch Cards	NOTE: These two chests share the same layout, so only one image is here. In the middle of the rooms 50 and 60.
Flopside Pit of 100 Trials	Watt, Sushie and Lakilester Catch Cards	NOTE: These three chests share the same layout, so only one image is here. In the middle of the rooms 70, 80 and 90.
Flopside Pit of 100 Trials	Mario, Dark Mario, Peach (1) and Dark Peach Catch Cards	After reaching the room 100 for the second time and defeating Shadoo, 8 chests spawn in. On the image are the first four.
Flopside Pit of 100 Trials	Bowser (1), Dark Bowser, Luigi and Dark Luigi Cards	Same room, right of the previous four.

Treasure chest count

This chart shows the number of ? Blocks for each location, with the total amount at the bottom. Locations are listed in the order the player can open up the chests.

Location	Count
Lineland Road	2
Mount Lineland	2
Yold Ruins	3
Flipside	7
Gloam Valley	4
Merlee's Mansion (2-2)	3
Merlee's Mansion (2-3)	2
The Bitlands	3
The Tile Pool	2
The Dotwood Tree	1
Fort Francis	3
Whoa Zone	3
Flopside	8
Downtown of Crag	3
Gap of Crag	2
Floro Caverns (5-3)	1
Floro Caverns (5-4)	1
Sammer's Early Duels	1
The Underwhere	2
Underwhere Road	1
Overthere Stair	8
The Overthere	6
Castle Bleck Entry	3
Castle Bleck Foyer	4
Castle Bleck Interior	5
Castle Bleck Inner Sanctum	4
Flipside Pit of 100 Trials	10
Flopside Pit of 100 Trials	17
Total	111