Interactive entertainment featuring aquatic life, specifically those popular on personal computers during the final decade of the 20th century, formed a distinct category. Titles often involved simulating aquatic ecosystems, managing resources within a virtual aquarium, or navigating underwater environments as a piscine character. An example would be a software program where users could design and maintain a digital fish tank, selecting species, feeding schedules, and tank decorations.
These programs provided engaging educational opportunities, allowing users to learn about different fish species, their habitats, and the principles of aquatic ecology in an interactive format. The limited processing power of computers at the time often led to simpler graphics and gameplay mechanics, which contributed to their widespread accessibility and charm. Their popularity also fueled interest in real-world aquariums and marine biology.