Golf Grand Slam is a 1991 Atlus golf simulation game for the NES. It features all the small details of real golf, such as wind, angle at which the ball is hit, etc. The game uses a password feature and up to four people can play. There are three options to play: tournament mode allows the player to play a normal tournament and there are two modes to train in. one of the most detailed golf games for the NES. Source: Wikipedia, "Golf Grand Slam (video game)", available under the CC-BY-SA License.