Save data will carry over to the full game.
Following the arrival of Mistwalker’s turn-based RPG Fantasian NEO Dimension on the Switch earlier this month, Square Enix has now released an eShop demo for the game.
This demo will allow you to not only try out the game but also carry any save data you have over to the full game if you decide to continue your adventure. If you do go ahead with this, a “save data transfer check” will take place when you boot up the main game.
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