To access the Adventurer's Treasure Box and the Explorer's Treasure Box (Digital Deluxe Edition bonus), please install the base game of Sonic Frontiers and the corresponding DLC before launching the game.

*If you install the DLC after launching the game, some items will not appear in the game. Please make sure to install the DLC before launching the game.

Installation Procedure

(1) How to install DLC

■For physical versions of the game
PS4/PS5: PlayStation Store Singapore | Indonesia | Thailand | Malaysia

(2) How to check if the content was installed correctly

■PS4/PS5: Same for physical and digital versions

1. On the home screen, press the Options button while hovering over "Sonic Frontiers", and then select [Information].

2. Select the [View] option that is located next to [Installed Add-Ons].

3. Check if the content is listed under [Installed Add-Ons].

■Xbox One, Series X|S

1. Press the Xbox button and then go to [My games & apps]>[See all]>[Games].

2. While hovering over "Sonic Frontiers", press the Menu button and select [Manage game and add-ons].

3. Select "Sonic Frontiers" and then [Manage installation on (drive name)].

4. Check the left side of the screen and see if the content is listed as installed.

■Steam

1. Launch Steam.

2. Go to your Library and select "Sonic Frontiers".

3. Scroll down until you see the DLC section, and then click [Manage my (#) DLC].

4. Check if the DLC is listed as installed in the following pop-up window.

(3) How to check if the DLC has been installed correctly in-game

For the "Adventurer's Treasure Box", check if you have 10 Red Seeds of Power as soon as the Map opens upon launching the game.
For the "Explorer's Treasure Box", check if you have 40 Amy's Memory Tokens when the tutorial is over (after closing the "The Journey Begins" message window).
How to Check
Open the Map in the overworld and check the list of items on the left.
Web Manual

If you do not have the above items in your possession, the DLC was not installed correctly. Please repeat step (2) to check your the status of your DLC, re-install the DLC, and then start a "New Game".

Also, DLC can only be accessed after updating the game to version 1.01 or later, so please make sure to update your game.