WhatIfSports.com is a company based in Cincinnati, Ohio, U.S. that specializes in online sports simulations and fantasy-style games. It uses custom sports simulators to allow users to match teams from any era and generate a complete play-by-play of a game. Simulations can be run for free, or users can build custom teams consisting of players from any generation and join leagues with their friends for a fee. Results are based on each player's combined stats from previous seasons. The site won the 2005 Webby award as the best sports website and claims more than 600,000 users as of 2009.