How to Play Multiplayer on Mac via Emulators: LAN, Online, and Split-Screen

While macOS is not traditionally known as a gaming powerhouse, many users have found clever workarounds to bring multiplayer gaming to life on Apple’s operating system. With the help of emulators and third-party tools, it’s entirely possible to enjoy classic console titles and modern multiplayer sessions with friends—whether you’re sitting side by side or connecting online. This guide explores specific methods that work in February 2025 for setting up multiplayer gaming via emulators on a Mac.

Dolphin Emulator Netplay Configuration

Dolphin Emulator is the go-to solution for running GameCube and Wii games on Mac. As of early 2025, its Netplay function allows users to connect and play multiplayer titles with others through the internet. To start, download the latest stable version of Dolphin and ensure all players have the same game version and configuration settings. Desyncs often occur when versions differ, so this consistency is crucial.

Once Dolphin is installed, go to the “Tools” menu and select “Start Netplay.” You’ll need to host or join a session using the player’s IP or a traversal server code. Players must enable “Deterministic Dual Core” for better stability. It’s also recommended to use a wired Ethernet connection for reduced latency and fewer dropouts.

For local multiplayer on the same machine, Dolphin also supports multiple controllers and native split-screen modes for games that allow it. However, Netplay opens the door for remote multiplayer with smooth synchronisation and voice chat using external apps like Discord or Zoom.

Optimising Netplay Performance

Even with proper setup, Netplay performance on Dolphin can be improved. Close all unnecessary background applications to free up CPU resources. macOS Activity Monitor is a useful tool for identifying which apps are consuming the most power. Also, setting the Dolphin backend to Vulkan instead of OpenGL may improve rendering speed, especially on M1/M2/M3 chips.

Use 1x native resolution for games during multiplayer sessions to reduce GPU load. It’s tempting to upscale graphics, but that may compromise synchronisation during Netplay. You can gradually raise it once stable performance is confirmed with your group.

Finally, enable buffer settings such as “Enable Cheats” only if all players are using the exact same setup. Custom settings must match to maintain a desync-free environment. Save a configuration profile specifically for Netplay to avoid confusion between solo and multiplayer play.

Using Parsec and Steam Remote Play for Co-op

Parsec and Steam Remote Play have gained popularity in 2024–2025 for offering low-latency streaming and input-sharing features. These tools let you host a game on one Mac and invite remote players to join as if they were sitting next to you. This is ideal for co-op titles with built-in local multiplayer, especially those running via emulators like RetroArch, Dolphin, or even native Mac games.

To use Parsec, download the client on both ends. The host needs to run the emulator or game in windowed mode and invite the guest via a Parsec link. The guest will be able to see the screen and control their portion using their own connected controller. Security options let the host limit mouse and keyboard input to prevent accidental takeover.

Steam Remote Play offers a similar experience but works best with games launched through Steam itself. If your emulator is added as a “non-Steam game,” Remote Play may allow co-op input. While not as flexible as Parsec, it’s more seamless for users already invested in the Steam ecosystem.

Parsec Tips for Mac Users

On macOS Ventura and Sonoma, you must grant screen recording and accessibility permissions to Parsec in System Settings. Without this, your guest won’t see or control anything. Also, make sure Parsec has network permissions in the Firewall tab to avoid connection issues.

It’s wise to run games in 720p resolution when using Parsec, as higher resolutions can introduce unnecessary lag. Ensure your internet speed meets at least 20 Mbps upload for the host, and 20 Mbps download for the guest for smooth gameplay.

Using controllers is preferred for both host and guest. While keyboard sharing is possible, it can introduce overlap and confusion. If one player presses a key that’s mapped for both, commands might interfere. Gamepads create a cleaner input experience with less room for miscommunication.

Split-Screen and LAN Setup via RetroArch and VPN Tools

RetroArch continues to be the most versatile emulator platform on macOS, especially with its 2025 updates that improve multiplayer functionality. It supports both local split-screen gameplay and network-based multiplayer through its Netplay system. For split-screen, choose a game that naturally supports local multiplayer and map inputs accordingly. Up to four controllers can be connected on a single Mac.

RetroArch’s Netplay system works best with matching cores and ROM versions. It uses a peer-to-peer model, so players will need to manually enter host IPs. While this is more technical than Dolphin’s traversal server, it gives more flexibility for less mainstream systems like SNES or PlayStation.

For LAN or VPN-based multiplayer, you can use ZeroTier or Hamachi. These tools create a virtual private network, allowing RetroArch or other emulators to behave as if players are on the same physical network—even if they’re continents apart. ZeroTier tends to have lower latency and better macOS compatibility as of February 2025.

VPN Configuration for Mac Emulators

To set up ZeroTier, create an account and set up a private network. Install the ZeroTier app on each participant’s Mac and join the same network ID. Approve all devices via the ZeroTier web console. Once connected, use the assigned virtual IPs for Netplay or LAN-based multiplayer.

Hamachi requires a bit more manual effort and often triggers macOS firewall prompts. To avoid this, pre-approve Hamachi in System Settings > Security & Privacy. Although it’s slightly more dated than ZeroTier, it remains a valid option for users who’ve had success with it in the past.

In all VPN-based setups, it’s critical to match emulator versions, game ROMs, and core settings. Even slight differences may break synchronisation. Also, test latency beforehand—anything over 80ms can severely impact input responsiveness, especially in action games.