Can a computer game inspire its players to do good deeds? A Montreal entrepreneur thinks so. Akoha.com takes the pay-it-forward idea of spreading acts of kindness and gives it a competitive edge: players vie over who is the most benevolent. Players on the website receive a pack of cards through the mail, each with a mission. These can be as simple as making someone smile to giving someone a book to donating an hour of one's time. Once the player completes the deed, he passes the mission card to the next person, hoping she will do the same unto someone else. On the website, people can add details about how they played the mission. Each card has a unique identity number, which lets players track how it is being passed on.