WhatIfSports is an online sports simulation brand focused on letting fans manage teams, compare players and teams across eras, and compete with other users. For more than 20 years, it has developed sports simulation games, tools, and a community for sports enthusiasts. Its free SimLeague games cover baseball, basketball, football, and hockey, giving players the opportunity to draft and manage teams using athletes from the history of each sport.

Users can compete online for fun, bragging rights, or prizes. The platform also offers Dynasty games, where players build and guide sports programs or professional organizations through scouting, recruiting, player development, game planning, and trades. Its SimMatchup tool lets users pit historical teams and individual players against one another.

According to the site, simulations use statistical models and factors such as player statistics, team records, and historical context to produce realistic outcomes. WhatIfSports also provides community forums, social channels, and support tickets, connecting players as they explore sports history and test their management skills