This 1997 release, Itoi Shigesato no Bass Tsuri No.1: Haru no Zenkoku Tournament, is a Sport Expansion requiring the base game, *Itoi Shigesato no Bass Tsuri No. 1*, for its primary function. Gameplay centers on participating in a structured "Spring National Tournament" via the Satellaview service, where players compete by achieving the highest total weight from five caught bass. A distinctive feature is the inclusion of real-life personalities in the event; non-owners access a separate garbage-picking activity. The scope involves qualification rounds leading to a final tournament for top-ranked anglers.
As an expansion, this content enhances the base game by introducing a focused, competitive structure centered on a specific event. It is not a standalone experience; players must possess the original Bass Tsuri No. 1 to participate in the main competitive features.
The core addition is the Spring National Tournament competition. This event challenges players to compete against others based on the total weight accumulated from catching five specific bass. While the base game provides the general fishing simulation developed by HAL Laboratory, this expansion provides a specific, measurable goal within a defined competitive framework.
For those utilizing the expansion hardware or software without owning the prerequisite base game, an alternative activity is available: a "garbage picking up event." This suggests a fallback mode or introductory experience accessible outside the main fishing competition.
The structure of the tournament suggests a significant, multi-stage competitive element built upon the existing fishing mechanics. The competition requires players to vie for ranking based on their catch weight, with the top 100 higher-ranking winners qualifying to advance to a final tournament round.
A distinctive feature of this competitive package is the inclusion of real-world personalities participating in the event. The roster of featured individuals includes Shigesato Itoi, bass professional Kawabe, Ogimori Jyunko Hagimori, and Kyoko Koizumi, adding a layer of real-world connection to the competitive atmosphere of the tournament.
This specialized content was distributed exclusively through Nintendo's Satellaview service in Japan, launching on April 27, 1997. The nature of the Satellaview platform implies that this was a broadcasted or time-limited event module, characteristic of that service's delivery method for sports genres.
Currently, there are no documented additional DLCs or further expansions released for Itoi Shigesato no Bass Tsuri No.1: Haru no Zenkoku Tournament beyond this initial competitive package.