: If the issue persists, a full network reset in Windows settings (Advanced network settings > Network reset) can clear corrupted temporary connection data.
Before you give up on the game entirely, work through the fixes step-by-step, starting with the router restart and moving through the NAT settings. With a little patience—and perhaps an ethernet cable—you'll be back in the African theater, lining up that slow-motion, X-ray kill cam shot with your co-op partner by your side.
Local network instability is the most frequent cause of matchmaking disconnects.
Navigate to your root game folder. For Steam users, the default path is: C:\Program Files (x86)\Steam\steamapps\common\Sniper Elite 3\bin\ sniper elite 3 connection to the game failed top
: Ensure the following ports are open on your router to allow traffic for Steam/Sniper Elite 3: : 8766, 27010, 27015-27016, 27036 : 8766, 27010, 27015-27016, 27031-27036 Invitation Order (Co-op)
The primary cause of this error on PC is that Windows authorizes Sniper3Launcher.exe but blocks the actual game client executable ( SniperElite3.exe ) when it tries to establish a peer-to-peer multiplayer lobby.
: Before making any changes, quickly confirm that the game's servers are operational. You can check official service status pages, such as the PlayStation Network Status or Xbox Live Status page. For PC, monitoring Steam's status or community forums for outage reports can be helpful. : If the issue persists, a full network
Rebellion’s legacy matchmaking services for Sniper Elite 3 (released 2014) occasionally experience downtime, especially on weekends.
Based on player feedback and support requests, here are the top fixes for the "connection to the game failed" error in Sniper Elite 3:
Getting hit with the can instantly ruin your plans for a co-op tactical session or a multiplayer match. This persistent issue usually stems from misconfigured firewall rules, network address translation (NAT) conflicts, or corrupt local files. Because Sniper Elite 3 uses peer-to-peer architecture for its lobby system, even minor network hiccups between you and the host will cause a disconnect. Local network instability is the most frequent cause
Corrupted game files often cause connection issues, particularly after a recent update. Open . Right-click on Sniper Elite 3 . Select Properties > Local Files . Click Verify integrity of game files . 3. Configure Firewall and Antivirus
: This is the classic and often most effective first step.
A or Moderate NAT type will prevent connections.