Chapter 1: Lineland

Chapter 1-1: The Adventure Unfolds

There are a total of 2 tresure chests to find in Lineland Road during the Chapter 1-1.

Item/s	Description	Image
Lineland Road \| 2 Treasure Chests
Shroom Shake	In the underground scene after entering the second pipe in the first scene.
Koopa Troopa Catch Card	In the last scene, found by flipping to 3-D at the very end and going to secret section.

There are a total of 2 tresure chests to find in Mount Lineland during the Chapter 1-2.

Item/s	Description	Image
Mount Lineland \| 2 Treasure Chests
Paratroopa Catch Card	In the first scene, there is a secret path visible after flipping to 3-D near the start of the area.
Thoreau	In the room after reaching the end of the second house in Yold Town.

There are a total of 3 tresure chests to find in Yold Ruins during the Chapter 1-4.

Item/s	Description	Image
Yold Ruins \| 3 Treasure Chests
Life Shroom	In the second scene, found by going to the upper east and then down the ladder which is found there.
Ruins Key	In the upper part of fourth scene.
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.

There are a total of 2 tresure chests to find in Flipside between Chapters 1 and 2.

Item/s	Description	Image
Flipside \| 2 Treasure Chests
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.

There are a total of 5 treasure chests to find in Gloam Valley during the Chapter 2-1.

Item/s	Description	Image
Gloam Valley \| 5 Treasure Chests
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.
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.
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
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.