Caves and Castles: Underworld (EP)

Anytime you are in a dungeon this counts towards your two hour total. This should be the last achievement you go for, if you use the cheat code method.

I mainly wanted to give a heads up for how the game counts the 2 hours. I was at about 40ish percent after finishing all of the other achievements. I left the game on to idle in the dungeon for the rest of the time but somewhere around 80 percent the game closed. When I restarted the game I went back into the dungeon and the progress bar wasn't going up. I tried a full restart on the xbox and started again with no luck. I left the character idling in the dungeon again while I watched something on my computer. Sure enough the achievement progress bar started going up after an hour and 22 minutes.
This leads me to believe that if your game shuts down or you quit out the game might reset your progress. I just wanted to share this experience in case anyone runs into this and is wondering why the tracker isn't updating. I will update the solution if I hear any other evidence to the contrary. Let me know if I can improve the solution at all. Thanks everyone!

P.S You can get this achievement whenever. If you are in the town on the right side of the screen (on the bottom) is the trade and Play button. Just go to Play and it will move you into the next cave/dungeon