Only 4 players have scored more than 60 points in a single game on more than one occasion.
Michael Jordan did it 5 times.
Kobe Bryant did it 5 times.
Elgin Baylor did it 4 times.
Wilt did it 32 times.
From Wikipedia:
"Chamberlain holds numerous NBA all-time records in scoring, rebounding and durability categories. He is the only player to score 100 points in a single NBA game or average more than 40 and 50 points in a season. He also won seven scoring, nine field goal percentage, and eleven rebounding titles, and once even led the league in assists.[3] Chamberlain is the only player in NBA history to average at least 30 points and 20 rebounds per game in a season, a feat he accomplished nine times. He is also the only player to average at least 30 points and 20 rebounds per game over the entire course of his NBA career."
Look at that one line - Chamberlain is the only player in NBA history to average at least 30 points and 20 rebounds per game in a season, a feat he accomplished nine times.
Bill Russell may have been the best defensive player ever, but Wilt takes the ti