Titan Quest is an RPG hack-and-slash game. Titan Quest: Immortal Throne is an expansion of the original titan quest game.
Can't skip video intros
The intro cutscenes can't be skipped regardless if you've watched them already or not.
- Navigate to C:\Program Files\Steam\SteamLibrary\SteamApps\common\Titan Quest Immortal Throne
- Rename the folder Videos to Videos-Skipped
- Play the game and you'll no longer have to worry about it