Sniper Elite 3 remains a popular tactical third-person shooter, but players on PC, PlayStation, and Xbox occasionally encounter a frustrating roadblock: the “Connection to the game failed” error when trying to join a co-op or multiplayer match. This article breaks down the most common causes and provides step-by-step solutions.
. Below is a report of the top solutions and troubleshooting steps as of April 2026. Primary Fixes (PC) Whitelist the Game Executable
: Set the game to always run with high privileges. Right-click SniperElite3.exe folder), select Properties Compatibility , and check Run this program as an administrator Network & Connectivity Solutions Check NAT Type : For smooth multiplayer, your NAT type should be