FANTASIAN Neo Dimension is a role-playing game originally built around handcrafted diorama environments, following a hero exploring a fantastical world impacted by mysterious technology. Turn-based combat includes a distinctive system for stockpiling and discharging attacks against groups of enemies.

The story blends memory, mystery, and a richly detailed world, with its intricate, tactile-feeling settings giving the RPG a distinctive visual identity compared to typical digitally rendered environments.