Pokémon Regulation Blue is a 2021 Mod built upon the classic Game Boy RPG/Adventure, *Pokémon Blue Version*. The core gameplay retains the familiar creature collection and turn-based combat, but its distinctive feature is the mandatory "Regulation Code" system. Upon starting, you input a code generated externally which applies special, self-imposed rules or difficulty modifiers to the entire playthrough, fundamentally altering the challenge of the Kanto journey for high replayability.
Upon initiating a new game session, players are prompted to input a specific regulation code. This code dictates the special rules that will govern the entire playthrough, effectively acting as a self-imposed difficulty modifier or rule set.
The regulation codes are generated externally, allowing players to select from a wide array of predefined challenges or potentially create their own unique constraints before starting their adventure. This mechanic shifts the focus from simply completing the game to mastering it under specific, often restrictive, conditions.
There are currently no official DLCs or expansions associated with this specific modification. The content is self-contained within the ruleset chosen via the regulation code at the start of the game.
The primary differentiator is the mandatory application of a regulation code. While the base game is an RPG/Adventure, this modification transforms it into a customizable challenge run generator. Players are not just playing the game; they are defining the parameters of their own victory condition or self-imposed limitations before the first step is taken. This focus on rule-based replayability is the central value proposition for those seeking a fresh take on established content.