In Super Mario RPG, players will be able to jump using the B button while exploring the overworld to discover hidden treasure chests that cannot be seen with the naked eye. These chests are home to some useful items for Mario and the gang during battle, such as Special Flowers and Frog Coins. It'll be pretty hard to find these things normally, but thankfully, there's an item called the Signal Ring that players can get that will alert them of nearby hidden chests. This guide will go over how to get the Signal Ring in Super Mario RPG and where to find all the hidden chests in the Mushroom Kingdom region.

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Where to Find Signal Ring in Super Mario RPG

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Super Mario RPG players can get the Signal Ring by heading to the Mushroom Kingdom castle area right after the Mushroom Way route. It's part of the main story, so players won't miss this location. Once players make it to the castle town, find the Item Shop (it has a spinning mushroom above the entrance). Speak to the Toad in the basement, and he'll show players a chest containing the Ring.

Equipping the Signal Ring in the Equip menu will reveal the locations of hidden treasures nearby. A notification will appear at the top of the screen, indicating a chest in the area.

Mushroom Kingdom Hidden Treasure Chest #1 and #2

The box that the Toad shows players counts as the first chest. However, don't leave the Item Shop after grabbing the Signal Ring because the second hidden treasure is actually in the basement. It's in the rightmost corner of the room. (Check out the image below to see the exact spot).

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Jump on the Toad that's walking around, wait for him to walk right underneath the hidden chest, and then jump to obtain a Special Flower.

Mushroom Kingdom Hidden Treasure Chest #3

For the third hidden treasure, go inside Peach's castle and keep walking straight to find a door. Instead of going further into the castle, jump on the nearby Toad to reach the ledge above the door. Jump in the right spot (as seen in the video/image below) to grab a Frog Coin.

super mario rpg princess castle secret hidden chests

If players are having trouble with this because there's no Toad to jump on, just progress the story a little bit and come back, and the Toad should be there.

Bandits Way Hidden Treasure Chest #1

Once players make their way over to Bandits Way to fight Croco after he stole something from Mallow, they'll need to hop on two moving yellow platforms. After that, a spinning red flower will be to the left of a blue one.

Jump on the red one and then hop off when Mario is facing the blue one to bonk a hidden treasure chest containing a Croaka Cola. The item can fully heal all of Super Mario RPG's party members' HP and FP.