- Ready or Not is a popular first-person shooter game by VOID Interactive set in a California city with intense gameplay
- Some players are facing issues with the game's multiplayer feature not working correctly
- Troubleshooting methods like restarting the game, checking internet connection, server outages, updating graphics driver, checking for Windows update, & contacting game support can help resolve the multiplayer not working issue.
Ready or Not is a tactical first-person shooter set in a gritty California city, where players take on the role of elite SWAT officers. Developed and published by VOID Interactive, the game has built a strong following thanks to its intense, realistic gameplay and cooperative multiplayer experience.
However, many players have reported issues with the multiplayer mode not working, making it difficult or even impossible to join friends or teammates. The good news is that this problem is often caused by minor bugs or connectivity issues that can usually be fixed with straightforward troubleshooting.
In this guide, we’ll walk you through the most effective methods to resolve multiplayer issues in Ready or Not and help you get back into the action with your squad.

Why is Ready or Not Multiplayer Not Working?
The multiplayer feature in Ready or Not may not work for several reasons, especially with changes to servers, new patches, or compatibility conflicts introduced in 2025. Some of the common causes include:
- Unstable or slow internet connection.
- Outdated game version.
- Corrupt or missing game startup/configuration files.
- Interference from Windows Defender or third-party antivirus.
- Windows OS not updated to the latest build.
- Game server outages or maintenance.
- Steam friend list sync issues (new in 2025).
- DNS or NAT type restrictions on your router.
How to Fix Ready or Not Multiplayer Not Working | Friends Can’t Join Game
If you’re unable to join multiplayer sessions in Ready or Not, or your friends can’t connect to your lobby, the issue may stem from network problems, outdated game files, NAT-type conflicts, or temporary server errors. Below are the most effective and up-to-date methods to resolve these issues.
Restart the Game and Steam Client
Sometimes the game or Steam doesn’t load necessary multiplayer components correctly, especially after updates or unexpected shutdowns. Restarting both Ready or Not and the Steam client can refresh background services and resolve connection errors.
- Close the game completely.
- Exit Steam entirely (right-click on Steam in the system tray and select “Exit”).
- Wait for 10–15 seconds.
- Launch Steam again and then start Ready or Not.
This clears temporary cache and resets session data that might interfere with multiplayer matchmaking.
Check The Internet Connection
Multiplayer gaming requires a stable and fast internet connection. If your connection is unstable, you may experience lag, timeout errors, or an inability to join friends.
- Run a speed test using a trusted tool like Speedtest.net or Fast.com.
- Ensure your ping is under 50ms and upload/download speeds are at least 5 Mbps.
- Switch to a wired Ethernet connection if possible.
- If using Wi-Fi, move closer to the router or switch to a 5GHz band.
- Restart your router if the connection appears inconsistent.
If possible, try using a mobile hotspot to check whether the issue lies with your current network.
Check Ready or Not Server Status
Multiplayer relies on the game’s online servers. If the servers are down for maintenance or facing issues, multiplayer will not function correctly regardless of your system or connection.
How to check for server outages:
- Visit the VOID Interactive Twitter/X page for real-time updates.
- Join the official Ready or Not Discord server and check channels like #server-status or #announcements.
- Look for news or downtime alerts on the game’s Steam page.
If there is an ongoing outage, you will need to wait until the developers resolve it.
Verify Integrity of Game Files via Steam
Corrupted or missing game files are a common cause of multiplayer issues. Verifying the integrity of the game ensures all files are intact and up-to-date.
- Open Steam and go to your Library.
- Right-click on Ready or Not and select Properties.
- Go to the Installed Files tab.
- Click Verify integrity of game files.
Steam will scan for and replace any damaged or missing files. After verification is complete, restart your PC and launch the game again.
Ensure Game and Steam Are Fully Updated
Running an outdated version of Ready or Not or Steam can prevent you from connecting to multiplayer servers or joining friends.
- Open your Steam Library.
- Right-click on Ready or Not, choose Properties, and go to the Updates tab.
- Make sure it is set to Always keep this game up to date.
- If an update is pending, it will start downloading automatically.
Also ensure your Steam client is up-to-date by clicking Steam > Check for Steam Client Updates.
Enable or Refresh Steam Overlay and Friend Sync
Sometimes Steam’s friend list or overlay may glitch, which can block multiplayer invites or sessions.
- Go to Steam > Settings > In-Game.
- Ensure Enable the Steam Overlay while in-game is turned ON.
- Restart Steam and try joining your friend again.
If problems persist, try removing and re-adding your friend on Steam, then attempt to join the lobby again.
Update Windows to the Latest Build
The game requires the latest stable version of Windows for optimal performance. Incompatibility with outdated builds can interfere with multiplayer connectivity or background services.
- Open the Start Menu and go to Settings.
- Click on Windows Update.
- Click Check for updates.
- Download and install any pending updates.
- Restart your PC after installation.
Make sure you are running Windows 11 version 24H2 or later, which offers the best compatibility with modern games and security protocols.
Configure NAT Type and Enable UPnP in Router Settings
If your NAT type is strict or moderate, it can block incoming multiplayer connections. Enabling UPnP (Universal Plug and Play) on your router can often fix this.
- Access your router settings by visiting 192.168.1.1 or 192.168.0.1 in your web browser.
- Log in using your admin credentials.
- Find and enable UPnP (usually under Advanced Settings or NAT settings).
- Save changes and restart your router.
Optional (Advanced Users):
If UPnP doesn’t help, you may need to manually forward these ports:
- UDP: 7777–7780
- TCP: 27015–27030
- UDP: 3478, 4379–4380
Check your router’s support documentation for port forwarding instructions.
Update The Graphics Driver
The Ready or Not game requires running on the latest version of the graphics driver. You will likely face this issue if you have not updated the latest graphics driver. You can easily fix this by checking for updates in your graphics driver. To do this, you will need to follow certain steps which we have listed below.
- Open the Start Menu on your PC.
- Type “Device Manager” in the Search Bar.
- Click on the most relevant result.
- Once the screen is loaded, search for the “Display Adapters. “
- Double-click on it to expand the option.
- Select the graphics driver that your PC has.
- Right-click on it and choose “Update Driver. “
- Follow the instructions which are shown on the screen to update the driver.
- That’s it; you are done.
Contact VOID Interactive Support
If none of the above steps resolve the problem, the issue may be account-specific or related to your installation.
How to get help:
- Visit the official support portal: https://support.voidinteractive.net
- Submit a ticket with the following details:
- Steam username and ID
- Description of the problem
- Your operating system and version
- Any steps you’ve already tried
- Screenshots or logs (if available)
VOID Interactive’s support team typically responds within a few business days and can provide personalized troubleshooting based on your setup.
Ready or Not offers a highly immersive tactical shooter experience, placing players in the role of elite SWAT officers navigating high-risk scenarios. While the game delivers intense and realistic gameplay, issues with the multiplayer mode not working can disrupt the experience—especially when you’re trying to team up with friends.
Fortunately, most of these multiplayer problems can be fixed using the troubleshooting methods covered above. Whether it’s verifying game files, adjusting network settings, or checking for server outages, these solutions are designed to help you get back online quickly.
Apply the steps outlined in this guide, and you should be able to restore full multiplayer functionality and enjoy seamless co-op missions with your squad.
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