Charles Barkley has the most games with 3+ assists, 20+ rebounds, 20+ points and when he has had 3 or more (STL+BLK) in a season, with 8 games in 1986-87.

most game with 20 points and 20 rebounds 3 assists 3 steals plus blocks in a season
Interpreted as:
most game by a player with 20 or more points and 20 or more rebounds 3 or more assists 3 or more steals plus blocks in a season

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