If you’re into retro gaming, chances are you’ve looked into the incredible Japanese library of the Sega Saturn. With genre-defining fighters, jaw-dropping 2D visuals, and quirky titles that never made it west, the NTSC-J catalogue is a goldmine. But if you’re gaming on a PAL Saturn, diving into that treasure trove takes a little work. Let’s break down every method you can use to play Japanese Saturn discs on a PAL console—no emulators, just pure hardware magic.

Region Lock: The Saturn’s First Hurdle
Out of the box, your PAL Saturn is region-locked. That means Japanese (NTSC-J) discs simply won’t boot. Add to that the difference in video standards (50Hz PAL vs. 60Hz NTSC), and you’ve got two problems to solve. Fortunately, the Saturn modding and accessories scene is alive and well, even decades later.
Option 1: Action Replay 4M Plus (Cartridge Method)
What it is: A plug-in cartridge that fits into the Saturn’s expansion slot.
What it does:
- Bypasses region lock
- Adds 4MB RAM expansion (needed for some Capcom fighters like X-Men vs. Street Fighter)
- Includes cheat codes and memory backup
Pros:
- Plug-and-play
- No console modding required
- Inexpensive and widely available
Cons:
- Not 100% compatible with all games
- Can occasionally have cartridge slot contact issues (solved by reinserting)
PAL-Specific Note: This won’t fix the 50Hz/60Hz issue. Japanese games will still run in PAL’s slower 50Hz mode unless you modify the console.
Option 2: Internal Region Mod (Switch or Auto)
What it is: A hardware mod inside the console to change the system region.
Types:
- Switch Mod: A physical toggle installed on the console to flip between regions.
- Auto Region Mod: Detects the region of the disc and sets the region on boot automatically.
Pros:
- No need for a cartridge
- Cleaner solution if done well
- Greater compatibility than Action Replay
Cons:
- Requires soldering and opening the console
- Risk of damaging hardware if you’re not experienced
Extra Tip: Combine this with a 50/60Hz switch mod (another internal mod) to fix the speed issue and run imports at proper NTSC speeds.