Some of the players got stuck at a screen reading ‘initialising’.
Microsoft has fixed its Titanfall game for PC and Xbox One after users reported problems logging on to it.
The gamers reported they were stuck at a screen reading ‘initialising’, but was eventually solved several hours later.
Titanfall developer Jon Shiring tweeted: "Patch is out. Things are starting to recover quickly now."
Exclusively created for Microsoft by EA, the new game is expected to boost Microsoft’s Xbox One console sales against Sony’s PlayStation 4.
Microsoft’s Xbox team member Larry Hryb reassured users there were no issues with the game itself.
"If you are having issues signing into Xbox Live, we are aware of it and actively working on the issue. This is not a Titanfall issue," he said.