Orienteer At Home - Green Valley - description from Softdepia.com:
Orienteer At Home is a simulation of the sport of orienteering. You will find that the skills you need to navigate successfully in real orienteering are precisely the skills you need to do well in Orienteer At Home. The courses have been designed to present you with situations that will force you to use good orienteering skills. Take the opportunity that Orienteer At Home presents to work on those skills that will make you a better orienteer when you do the real thing!
Orienteer At Home - Green Valley is a "Free to try" program. You can download and try it for an evaluation period.