Did this article help you identify the software? If not, please provide any additional details (year, computer system, publisher logo, or approximate file size) and a revised, targeted search can be performed.
However, to provide a for someone searching this term, I will reconstruct the most plausible interpretations based on similar retro gaming and software naming conventions. This article will help you identify what you might actually be looking for.
The name Adilia does not correspond to any major publisher or developer in gaming history (e.g., Sierra, Bullfrog, Maxis). It could be: