Yes, the Hyperkin RetroN 5 plays Famicom and Mega Drive cartridges natively, alongside NES, SNES, Super Famicom, Genesis, Game Boy, Game Boy Color, and Game Boy Advance. That is nine distinct cartridge formats across five physical slots, all in one box. Sega Master System support is also possible, though it requires a separate adapter rather than a built-in slot.
If you own a mixed collection spanning both the US and Japanese markets, or both Sega’s North American and European libraries, the RetroN 5 is probably the most direct answer to the “one console for everything” problem. The sections below break down exactly which slots handle which formats, how region-free play works, and where the limits are.
Which cartridge formats does the RetroN 5 support natively?
The RetroN 5 has five physical cartridge slots on the unit itself. Starting from the back of the top deck and moving forward, the slots are: Sega Genesis, Super Nintendo, NES, and Famicom. The fifth slot, positioned on the front face of the console, handles Game Boy, Game Boy Color, and Game Boy Advance cartridges, with the system identifying the game type automatically.
Because the Mega Drive cartridge shares the same pin layout as the North American Genesis cart, the Genesis slot accepts both without any adapter. The same logic applies to the SNES slot: Super Famicom cartridges fit natively alongside their North American counterparts because the physical shape is close enough and the console’s chipset handles both. The Famicom gets its own dedicated slot precisely because its 60-pin connector is physically different from the NES 72-pin connector, even though both formats run the same games.
So the full native list is: NES, Famicom, SNES, Super Famicom, Genesis, Mega Drive, Game Boy, Game Boy Color, and Game Boy Advance.
Does the RetroN 5 play Sega Master System games?
This is where things get slightly more involved. Master System support is real, but it is not built into a dedicated slot. To play Master System cartridges, you need the original Sega Power Base Converter (or a compatible third-party version). That adapter plugs into the Genesis slot on the RetroN 5, and Master System carts then insert into the converter. The RetroN 5 reads the cartridge data through this chain and runs the game.
Performance is generally solid through this method, though a small number of titles with unusual hardware configurations may behave differently than on original hardware. A Hyperkin 3-in-1 adapter also exists that extends support to Sega Game Gear cartridges and Master System card-format games through the same Genesis slot.
The key distinction: if someone describes the RetroN 5 as supporting “Master System,” that is accurate but conditional. The console will not read a Master System cartridge inserted directly into any of its five slots.
Is the RetroN 5 region-free for Japanese and European cartridges?
Yes. The RetroN 5 uses a universal chipset designed to bypass regional lockout mechanisms, so PAL and NTSC cartridges both work, even on an NTSC television. A Japanese Famicom game goes into the Famicom slot and runs. A European Mega Drive game goes into the Genesis slot and runs. The console handles the conversion as part of its upscaling pipeline.
This matters a lot for collectors. The Famicom library in particular includes hundreds of titles that were never released in North America, and the Super Famicom library has the same depth. Having a dedicated Famicom slot rather than relying on a pin adapter means the cartridges seat properly and make solid contact, which is not always the case with third-party pin converters used on original hardware.
What does the RetroN 5 do with the video and audio output of these cartridges?
Every format the RetroN 5 supports gets the same treatment: the signal is upscaled and output over HDMI at up to 720p and up to 60 frames per second. This applies to Famicom games, Mega Drive games, and everything else on the supported list equally. The console also applies audio interpolation, which fills in samples between the original audio data to produce a smoother sound than the raw output of the original hardware.
On top of that, the on-screen interface gives access to save states (with 10 slots per game), screenshot capture saved to an SD card, a built-in Game Genie cheat database, and video filters including a scanlines option for anyone who wants the look of a CRT. Controller mapping is fully customizable, and the console accepts original controllers through side-mounted ports for SNES, NES, and Genesis.
One thing worth knowing: a very small number of cartridges that rely on unusual internal chips (the Super FX chip used in a handful of SNES titles is the most common example) may not run correctly. That is a function of how the RetroN 5 reads and processes cartridge data, not a region issue.
The RetroN 5 Covers Nine Formats, with One Adapter Caveat
The short version: Famicom and Mega Drive support is built in, not an afterthought. The five-slot design was specifically engineered to give each major cartridge shape its own physical home, which is why the Famicom gets a separate slot from the NES despite the games being identical. Super Famicom and Mega Drive share slots with their Western equivalents because the cartridges are physically compatible.
Master System is the one exception to “just insert and play,” and it has been that way since the console launched. If you have the Power Base Converter already, it works. If you do not, that is an extra purchase to factor in.
For anyone sitting on a collection that spans multiple regions and multiple generations of 8-bit and 16-bit hardware, the Hyperkin RetroN 5 consolidates all of it into a single HDMI connection at $179.99. That is the problem it was built to solve, and the cartridge format list confirms it does.
Frequently Asked Questions
Does the RetroN 5 need a separate Famicom slot, or does the NES slot handle both?
The RetroN 5 has a dedicated Famicom slot separate from the NES slot. This is necessary because Famicom cartridges use a 60-pin connector while NES cartridges use a 72-pin connector. The two formats are physically incompatible, so each gets its own port. Both slots are built into the console with no adapter required.
Can I play a PAL Mega Drive game on a US RetroN 5 connected to an NTSC TV?
Yes. The RetroN 5 supports both PAL and NTSC cartridges across all its native formats, including Mega Drive, and outputs through HDMI at up to 720p regardless of the cartridge’s original region. PAL games that ran at 50Hz on original hardware will still display correctly on a standard North American television through the RetroN 5.
Does the RetroN 5 support Super Famicom cartridges in addition to SNES?
Yes, Super Famicom cartridges fit and play natively in the SNES slot on the RetroN 5. The console’s chipset handles both formats without any adapter. This means Japanese Super Famicom titles, including games never released in North America, can be played directly from the original cartridge.
Will a Sega Game Gear cartridge work in the RetroN 5?
Not directly. Game Gear cartridges require the Hyperkin 3-in-1 adapter, which plugs into the Genesis slot on the RetroN 5. That adapter also adds support for Master System cartridges and Master System card games. Without the adapter, Game Gear and Master System formats are not readable by any of the five built-in slots.
Does the RetroN 5 play Game Boy Advance cartridges in the same slot as Game Boy and Game Boy Color?
Yes. The front-facing slot on the RetroN 5 accepts Game Boy, Game Boy Color, and Game Boy Advance cartridges in the same opening. The console automatically detects which format is inserted and configures accordingly. No switching or manual selection is needed when moving between GB, GBC, and GBA games.