There are two kinds of Simulation modes, Custom and Historic. Custom Simulation mode allows one to create one's own scenario, including both teams' scores, who possesses the ball, how much time is left, and where the team with possession of the ball is on the field. Historic Simulation mode contains fifty different scenarios, based on games that happened in history, and a certain task is to be accomplished, often to "change history" and win with the team that lost the game, but sometimes to replicate a team's victory.
Another feature found in the game allows one to create a player. The game allows one to enter information such as the player's position, name, jersey number, height, weight, dominant hand, skin color, and age. After filling out this information, the user is taken may customize the player's stats, such as accuracy and range (for kickers and quarterbacks), catching abilities, agility, speed, and strength (all for numerous players). After a player is created, he is put into Free Agency, where he must be signed by a team.
Players can also create a team, using color schemes of the 30 NFL teams found in the game. Teams' playbooks, stadiums, and initials (shown next to a team's score during gameplay) can be edited, and a team may contain up to 55 players. Players can be put onto any of the 30 teams already in the game, as well as Free Agents (including created players), and can be substituted into any position.[3]
In addition to the 30 pro teams in the game, there were also four hidden teams, accessed by entering a cheat code. Two teams, AFC and NFC, are the Pro Bowl teams from 1997. The other two teams are based on Iguana Entertainment and Acclaim, the developer and publisher of the game respectively, and feature then-employees as members of the team. Iguana Entertainment and Acclaim's teams are the two best teams statistically in the game.
There is a season mode where players can select a team and play through their 1997 schedule. There is also a playoff mode where a player can select a team and try to guide them through the playoffs. Quarterback Club '98 also features a Quarterback Profile feature. This feature contains 30 quarterbacks, one from each team, and their college and pro football achievements in encyclopedic format.
The game's commentary was done by Marv Albert.[2] Brett Favre was the chief spokesperson for the game