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Square Enix has announced Last Idea.

The new “treasure hunting RPG” is coming to iOS and Android devices sometime this spring, in Japan. Featured above, you can view the announcement trailer for the game.

As the name implies, the game is focused on a beginner treasure hunter as the protagonist. You start out by seeking out treasure on a floating, isolated island, only to get caught up in an invasion of monsters.

Lastly, you can visit the official website for Last Idea here.