Complex sentence: Originally released for Microsoft Windows on May 16,2011, the game is estimated to have sold about 50,000 copies during its first day of release, with over 17,000 players online at the same time during the first day's peak.
Split into simpler sentences: Originally released for Microsoft Windows on May 16,2011. The game is estimated to have sold about 50,000 copies during its first day of release, with over 17,000 players online at the same time during the first day's peak.