Sniper Elite 3 uses specific ports for P2P connectivity. Forward them to your computer’s local IP address.

| Protocol | Port Range | Purpose | |----------|------------|---------| | TCP | 27015-27030 | Steam P2P / matchmaking | | UDP | 27000-27031 | Steam P2P / game traffic | | UDP | 4380 | Steam’s legacy P2P | | UDP | 7777-7778 | Game-specific traffic (reported by players) |

Note: The game uses Steam’s P2P networking – forwarding Steam ports often resolves the issue.

How to forward:

Rebellion Developments’ 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.

If the quick fixes failed, the enemy is dug in. Time for heavy artillery.