Big's Fishing Derby is a total conversion Mod released in 2014, built upon Sonic the Hedgehog 2 for the Sega Mega Drive/Genesis. The core gameplay shifts entirely to Big's fishing mini-game premise: you must catch your pet Froggy, who has swallowed the Chaos Emeralds, before Dr. Robotnik can seize the powerful gems. This modification offers a distinct, focused experience centered on retrieval and protection within the classic 16-bit framework.
The experience transforms the familiar high-speed action of its parent game into a dedicated fishing challenge. Players step into the role of Big as he attempts to locate and catch Froggy. The atmosphere blends the familiar 16-bit aesthetic with a narrative focused on aquatic retrieval and rivalry.
The primary goal is straightforward: Big must successfully fish for Froggy to secure the Chaos Emeralds before Dr. Robotnik can capture them. The storyline suggests that Robotnik's aquatic roboticizer has been activated by the emeralds' energy, prompting his immediate fishing expedition to recover them. Big's motivation evolves from simply rescuing his pet to actively safeguarding the powerful artifacts from falling into Robotnik's grasp.
As a total conversion modification, this game significantly alters the original structure of Sonic the Hedgehog 2. Unlike simple texture packs or minor adjustments, a total conversion fundamentally changes the gameplay experience, mechanics, and often the core objective, while utilizing the engine and assets of the original title. This means players can expect a completely different style of play compared to the standard platforming adventure, offering a fresh perspective on established hardware.
Since its debut in 2014, this modification has remained a fixed experience based on its initial release. As a fan-made project built on older hardware architecture, the core gameplay loop—centered on Big's fishing mechanics—is the definitive experience. There are currently no officially documented DLCs or expansions associated with this modification.
This title is specifically designed for the Sega Mega Drive/Genesis platform, leveraging the capabilities of that classic system.