Alchemist's Crystal is a mystery solving game, by deciphering an alien language. The player unveils more beautiful scenes of the abandoned alien city once going further down. The crystal carving characters are in 3-dimensional form inside the crystals, as a hint that the city is from another dimension.
The process of discovering and constant realizing potentially keeps the players curious about the game plot, making them carry on playing.
The game's core thought reflects on the cultural difference between different civilizations’ view of the same object and how different languages interprets the world in their own ways.