At the top of every page there is a box on the left hand side "User info"
It has your avatar and a list next to it:
Hey, Elvi, you have 739 messages, 2 are new.
Total time logged in: 93 days, 19 hours and 49 minutes.
Show unread posts since last visit.
Show new replies to your posts.
April 02, 2006, 01:48:46 pm
If you click onto, Show new replies to your posts., it lists all the threads that you have posted on and have had a reply to.
This is how I keep up with my games, though sometimes the odd one doesn't show and I ask players to send me a quick PM if I am on but not replying to it.