In Nintendo Switch database conventions, title IDs often start with 0100. The suffix D1C01C194800 resembles a product code for a “Deluxe Edition” or “2025 Season Pass Bundle”. Community dataminers have found this string in eShop metadata alongside mentions of:
Thus, this is not just a yearly roster patch. It appears to be a two-year live service model, where the 2024 base game receives a major free/paid update in spring 2025, covering the next NPB season, rule changes, and new events.
Game: Powerful Pro Yakyu 2024-2025
Title ID: 0100D1C01C194800
Save type: Career / Pennant
Date: 2025-04-20
Notes: Backup before patch v1.3.0
Path: /switch/0100D1C01C194800/save_data.dat
Since we are currently in May 2026 (your stated date), the 2024-2025 product is now complete. Looking back, the major post-launch updates were: Powerful Pro Yakyu 2024-2025 -0100D1C01C194800-...
| Update version | Release | Content |
|----------------|---------|---------|
| 1.1.0 | Sept 2024 | Added 2024 Climax Series scenarios |
| 1.2.0 | March 2025 | Full 2025 NPB opening day rosters, new stadium: Es Con Field Hokkaido (revision) |
| 1.3.0 | June 2025 | Bug fix for the 0100D1C01C194800 save corruption (specifically when using Switch sleep mode during autosave) |
| 1.4.0 | Nov 2025 | Final 2025 Japan Series data + “Legacy Mode” – play as 2024 or 2025 champions |
If you’re still playing in 2026, online matchmaking is active but declining. Konami has confirmed a Powerful Pro Yakyu 2026 (standalone) for late 2026, with cross-play between Switch 2 and PS5. In Nintendo Switch database conventions, title IDs often
Rain delays, wind affecting fly balls, and summer heat impacting pitcher stamina over a series.
A new online lobby where up to 20 players can mingle, play home run derbies, or challenge friends to 3-inning exhibition matches. This mode is rumored to support cross-play between Switch, PS5, and PC (Steam) for the first time in series history. Thus, this is not just a yearly roster patch
Live a baseball player’s life from high school to retirement. The 2024-2025 version adds:
Check the file size of 0100D1C01C194800 (the folder):
If your save is still at 128 MB and you’re missing 2025 players like Roki Sasaki (updated stats) or Munetaka Murakami (position change to 1B), you need to launch the game connected to the internet and allow it to update within the game (not just system update).