I've dabbled in using real controllers, but the unfortunate truth is the N64 controller is uncomfortable and has a shitty joystick. These days I just use an Xbox One controller. There isn't a perfect button layout that works for every game, so I have a few different layouts I switch between depending on the game.

You can play retro games on macOS with an emulator. An emulator imitates a console gaming system, allowing you to play console games on your Mac. With the instructions below, you can play retro games on macOS from NES, SNES, Nintendo 64, Game Boy, and a ton more.

1. Get a Console Emulator

Emulating a game requires two parts: the ROM, which contains the game data, and the emulator, which acts as the console system. If you want to play NES games, for example, you’ll need an NES emulator. If you want to play PS1 games, you’ll need a PS1 emulator, and so on. An emulator tricks the games, or read-only modules (ROMs), into thinking the software is running on genuine hardware. An NES imitates the hardware and software attributes of a Nintendo Entertainment System, hiding your Mac’s hardware under a layer of emulation. This is what allows us to easily play retro games on macOS.

Some emulation systems can handle more than one console, but some are individualized. Emulator Zone provides the largest collection of functional emulators to download, but it can be light on Mac emulators. Emu Paradise maintains a collection of Mac-compatible emulators you can explore. If you just want to emulate one platform, you can download a single-console emulator from there.

Emulating Retro Games with OpenEmu on macOS

But why download emulators for every platform? The best retro game emulator you can download for macOS is OpenEmu, which will emulate games from many classic consoles. OpenEmu is a free, open-source project that can emulate multiple systems on macOS. It’s like an emulation hub for the most popular retro game platforms.

The modular emulation program has quickly become the most popular emulation platform for macOS. It can run games from popular systems like NES, SNES, Nintendo 64, PlayStation, Game Boy, and many other obscure and popular vintage consoles.

2. Download ROMs

It used to be that a number of websites offered freely available ROMs for download. As you can imagine, this wasn’t exactly kosher from a legal perspective. While this was once overlooked by companies owning the copyright of emulated games, publishers have become less lenient in recent years. As a result, major emulation sites have voluntarily shut down to avoid legal repercussions, removing a major resource for ROM downloads.

However, ROMs can still be found in the same places you might pirate other copyrighted content. A number of torrent trackers include ROM downloads for a variety of systems, typically packaging hundreds of games together in one torrent.

Note that ROMs themselves don’t care about your operating system. As far as the ROM is concerned, the emulator is the operating system. So don’t worry about finding macOS-compatible ROMs, since such a thing doesn’t exist.

3. Play Retro Games on macOS

Once you have the ROMs and emulators downloaded, you can actually play retro games on macOS. Depending on the system you’re using, there are a few different ways to launch your game.

Launch a ROM from Finder

If you try and double-click on a ROM file to open it, you might find that nothing happens. Some emulators will automatically assign the appropriate file extensions, while others will not. OpenEmu will automatically grab all the common ROM file extensions, so you can simply double-click on ROMs in Finder to launch the associated games.

If the association isn’t working properly with your emulator, don’t fear. You can use the “Open With …” menu to open a ROM file with the correct emulator.

For ROMs packaged as ZIP files, you’ll need to unzip them before you can apply this method.

Use OpenEmu’s Library

With OpenEmu, you can build an independently-maintained library of ROMs on your hard drive. Simply select the ROM files in Finder and drag them into the OpenEmu window.

They’ll be automatically loaded into your game library and associated with the appropriate core. They’ll also be copied to a separate library on disk by default, which is maintained by OpenEmu. If you don’t like this behavior, it can be disabled in OpenEmu’s preferences.

Use the File Menu (Other Emulators)

In most other emulators you will open ROMs manually from the File menu.

You may also need to select “Run” once a ROM is loaded. The interaction metaphor used here is similar to inserting a cartridge and then turning on the game system.

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Tips and Tricks

Emulators work a little differently from consoles, and there are some tricks to ensure smooth operation.

Save States

When playing an emulator, you can rely solely on the in-game save system, provided one exists. However, you can also completely circumvent the game’s save system using save states. With save states, the emulator itself saves your current game progress down to the frame. These exist outside of the ROM itself. You can avoid clunky, non-existent, or buggy in-game save systems, saving the game wherever you like or even using an auto-save system.

Save states can typically be set in the File menu of the emulator’s menu and are logged in a file that’s saved to disk separately. OpenEmu will automatically build a library of saved states. Other emulators require manually managing your saves.

Controller Support

Most modern controllers can be used to play most emulated games. Most emulators will support any HID-compatible controller. OpenEmu can automap common controllers, but other emulators might require manual mapping. If you don’t have a controller, your keyboard will work.

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Get OpenEmu

OpenEmu is available online at the OpenEmu website.

An 'experimental' release containing a strictly unsupported core plugin for Arcade systems is also available. Both releases can be downloaded from the GitHub Releases page.

See the User guide for usage documentation.

Bugs and Support

Please first read the contributing guide before you report bugs and other issues on the GitHub issue tracker or on IRC (#openemu @ Freenode).

Supported Systems

* Default core

Automap Supported Controllers

• Nintendo Switch Pro Controller
• Xbox One S Wireless Controller
• Xbox 360 (driver required)
• SteelSeries Nimbus
• SteelSeries Stratus XL
• Horipad Ultimate
• Retro-Bit Official Sega Genesis/Sega Saturn Bluetooth Controller 8-Button Arcade Pad
• Logitech series (Dual Action, Rumblepad 2, Gamepad F310/F510/F710)*
• Gravis GamePad Pro
• Sega Saturn USB
• PS3 Neo Geo Pad USB
• N64 Adaptoid

Controllers Requiring Extra Effort

• Xbox One (driver required)
• 8Bitdo devices (get the latest firmware and use Mode 1/Joystick Mode by holding the START button to power on)
• Steam Controller

* If your Logitech controller has a switch on the back, it must be set to DirectInput (D).

Additional help:

• Logitech F710: https://web.archive.org/web/20130815061741/http://www.macgamepads.com/gamepads/f710/index.html
• Xbox 360 / Xbox One Controller Driver: https://github.com/360Controller/360Controller/releases - If you're using a wireless controller you will also need an XBox Wireless Receiver (for Windows).
• If using a Wiimote or Wii U Pro controller, please go to the Controller preferences, select 'Add a Wiimote' from the Input box and follow the pairing directions.
• You can use Joypad Connect to connect your iPhone as a controller.

Compiling from Source

It is also possible to compile OpenEmu from its source files. Don't worry, it's an easy process! To compile OpenEmu, please ensure that you are using the latest stable version of Xcode. You can follow this guide if you do not know how to compile OpenEmu.