An ancient and priceless piece of jewelry, the Moonstone, has been stolen, and it`s up to you to track it down! Investigate every person who was in the mansion at the time of the crime to solve the mystery and catch the crook, in this Hidden Object game! Explore every room of the mansion to find valuable clues in Mystery Masterpiece – The Moonstone, and return the jewel to its rightful owner.
Great ideas! You should be able to run Ruby and ROR loaclly on your machine without the need for an internet connection. If you download ROR books in PDF or save some tutorials to PDF, you could run those and work on them on the train.