Erling Haaland was called "sublime" and "ridiculous" as he obliterated the record for fastest player to score 15 goals in a single league game.
Haaland scored his 20th goal in 13 games for City with a finish from Joao Cancelo.
His goal scoring rate in the league has fallen from 1.75 to 1.67 since he scored once.
He was the second City player to score in seven straight appearances in the league.
Kevin de Bruyne was their top scorer in the title-winning season, but the £51m summer signing from BVB equalled him.
Micky had 11 goals in his first nine games in the league. Andy Cole needed 15 games to get to 15 goals in the premier league.
The records have been torn apart.
It is incredible, we often use phrases like that and it is hyperbole.
It isn't with Erling Haaland. He is completely insane.
No one can say who he is. His eye for goal is amazing.
He provides a lot of space and movement. I don't believe City can improve in the future.
He scored a great goal. It's a huge threat for us. I'm so happy.
Haaland has been directly involved in 42 goals in his last 24 appearances in home games for the two teams
"Haaland is part of our team, he is our top scorer," said Riyad, who scored one of City's other goals. It would be perfect if we could find him because he is on fire.
What other records has Haaland broken this season, and what can be done before the season ends?
In his first nine games in the league, the Norwegian scored 11 goals. After eight games, he had a record of ten. Even if he doesn't score, he will still have that record.
The three men had 11 goals in their first 10 games.
His nine goals in the first five games were a new record. In August, he was the top scorer in the league.
Haaland became the first player in the history of the premier league to score a hat-trick in three consecutive home games when he did it against Manchester United.
He's the first player to score in his first four games in the league.
The pacesetting records have been shattered by Haaland in the premier league.
He scored two goals in 45 minutes against the Danes to take his total to 28.
The record for goals in a player's first 22 games is also a landmark for a player's first 30 games in the competition.
Harry Kane had 18 goals in his first 22 games in the competition.
He set a number of records on his European debut, including a double in a win at Sevilla, and a late winner against his old team.
Haaland became the first player to score multiple times on his debut for three different clubs in the same season.
He scored 25 goals in 20 games, breaking the record of Van Nistelrooy and Roberto Soldado, who scored 16 and 15 in their first 20 games, respectively.
He is the youngest player to score 25 goals in the competition, beating the record of Kylian Mbappe, who took the landmark off Lionel Messi.
Haaland has the lowest number of games required to score 10, 15 and 20 goals. Only one other person has scored multiple goals in a row.
He is the first City player to score a goal in both the premier league and the playoffs.
He started his time in Germany the same way. Haaland is the only player to score on his debut in the German Cup, the German Super Cup, and the German Cup.
He was the first player to hit a hat-trick in the Bundesliga when he came on in the 56th minute.
He had the most goals in his first two, three, five and six games.
He scored his first 50 goals in 50 games, a record, and was the youngest player to do so.
Haaland is the youngest player to score four times in a game in the German top flight.
He only stayed at his first three clubs for a short time, but he set many records.
He didn't have a goal in 16 games when he was 16. He scored 20 goals in 50 games atMolde and 29 goals in 27 games at Salzburg.
Is there an international record? He also has one of them. He scored nine goals in a single game against Honduras in the Under-20 World Cup.
He has scored 21 goals for the senior team.
For a season, goals for the premier league and english top flight.
If Haaland keeps up his current pace, he could break the record for goals in a season.
The previous record was set by Andy Cole in 1993-94. There were 42 league games at that time.
Haaland only needs 20 goals to beat that.
There is a record for the number of games played in a single season in the English premier league.
The Golden Boot has never been won by a player with a record of a goal a game. In 30 games, Harry Kane scored 29 goals.
He would end the season with 63 league goals.
If he wants to become the top scorer in English top-flight history, he needs to keep scoring at this rate.
In the First Division, Dixie Dean scored 60 goals. In the 1930-31 season, Tom Waring scored 49 goals for Villa.
He might not be able to match Lionel Messi's 50 goals in the 2012 La Liga.
A City player has scored the most goals in a season.
Of the way to this one, Haaland is half.
The City record for a player in a single season is 38 goals by Tommy Johnson in 1928.
There was a record in the season.
The record for the most goals scored in a season by a single player in a single season is likely to be difficult to break.
Haaland would break that if he played every game and scored five goals in the playoffs.
There are some other records.
Luis Suarez scored 10 goals in December of last year. In August, Haaland was only one goal away from that mark, but he has a good few months to get there. In October, he has four.
In the first 20 games of the season, KevinPhillips scored 19 goals, while Cole scored 28.
Cole has the record of fewest games needed to score 30 goals in the league, but Shearer and Cole took 45 games to score 40 goals.
He has scored in 11 consecutive games in the premier league. Haaland is on six.
Shearer had five hat-tricks in 1995. Haaland has 3.
The five goals shared by several players in a game is the most goals in a game in the league.
Van Nistelrooy has the record for most appearances in the league with 35 goals. Haaland would equal or break those marks if he scored seven more goals.
The Norway goal scoring record could be in danger. He is close to the national record of 33 goals in the 1920s and 30s.