The Chicago Colts have the most runs by a team in a game, with 36 runs against the Louisville Colonels on June 29, 1897.
Interpreted as:
most runs in an MLB regular-season game ever by a team| TEAM | R | DATE | TM | OPP | RESULT | AB | H | 2B | 3B | HR | RBI | BB | HBP | SO | SB | CS | PA | TB | XBH | SH | SF | IBB | GIDP | AVG | OBP | SLG | OPS | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | Colts | 36 | 6/29/1897 |  CHI | vs | LOU | W 36-7 | ||||||||||||||||||||||
| 2 | | White Stockings | 35 | 7/24/1882 | CWS | vs | CLE | W 35-4 | ||||||||||||||||||||||
| 3 | | White Stockings | 31 | 7/3/1883 | CWS | vs | BUF | W 31-7 | ||||||||||||||||||||||
| 4 |  | Rangers | 30 | 8/22/2007 |  TEX | @ |  BAL | W 30-3 | 57 | 29 | 2 | 0 | 6 | 30 | 8 | 0 | 11 | 0 | 0 | 65 | 49 | 8 | 0 | 0 | 0 | 0 | .509 | .569 | .860 | 1.429 |
| 5 |  | Reds | 30 | 6/18/1893 |  CIN | vs | LOU | W 30-12 | ||||||||||||||||||||||
| 6 |  | Brewers | 30 | 9/10/1891 |  MIL | vs |  WSH | W 30-3 | ||||||||||||||||||||||
| 7 | Athletics | 30 | 6/26/1890 | PHP | @ | BUF | W 30-12 | |||||||||||||||||||||||
| 8 |  | Beaneaters | 30 | 6/9/1883 |  BSN | vs | DET | W 30-8 | ||||||||||||||||||||||
| 9 | | White Stockings | 30 | 7/22/1876 | CWS | vs | LOU | W 30-7 | ||||||||||||||||||||||
| 10 | | Braves | 29 | 9/9/2020 | ATL | vs |  MIA | W 29-9 | 47 | 23 | 2 | 0 | 7 | 28 | 9 | 1 | 9 | 2 | 0 | 58 | 46 | 9 | 0 | 1 | 0 | 0 | .489 | .569 | .979 | 1.548 |
| 11 |  | White Sox | 29 | 4/23/1955 |  CWS | @ |  KCA | W 29-6 | 54 | 29 | 5 | 0 | 7 | 28 | 6 | 1 | 4 | 1 | 1 | 63 | 55 | 12 | 0 | 2 | 1 | 0 | .537 | .571 | 1.019 | 1.590 |
| 12 |  | Red Sox | 29 | 6/8/1950 |  BSA | vs |  SLA | W 29-4 | 53 | 28 | 9 | 1 | 7 | 29 | 11 | 0 | 2 | 0 | 0 | 64 | 60 | 17 | 0 | 0 | 0 | .528 | .609 | 1.132 | 1.741 | |
| 13 |  | Phillies | 29 | 8/17/1894 |  PHI | vs | LOU | W 29-4 | ||||||||||||||||||||||
| 14 |  | Giants | 29 | 6/15/1887 |  NYG | vs | PHN | W 29-1 | ||||||||||||||||||||||
| 15 | | Beaneaters | 29 | 6/20/1883 | BSN | vs | PHN | W 29-4 | ||||||||||||||||||||||
| 16 |  | Blue Jays | 28 | 7/22/2022 |  TOR | @ |  BOS | W 28-5 | 57 | 29 | 5 | 0 | 5 | 28 | 5 | 1 | 9 | 0 | 0 | 63 | 49 | 10 | 0 | 0 | 0 | 0 | .509 | .556 | .860 | 1.415 |
| 17 |  | Cardinals | 28 | 7/6/1929 |  SLN | @ | PHN | W 28-6 | 53 | 28 | 4 | 1 | 2 | 25 | 9 | 1 | 1 | 0 | 0 | 65 | 40 | 7 | 2 | .528 | .603 | .755 | 1.358 | |||
| 18 |  | Beaneaters | 28 | 9/3/1896 |  BSN | vs | STL | W 28-7 | ||||||||||||||||||||||
| 19 | | Colts | 28 | 8/25/1891 | CHI | vs |  BKN | W 28-5 | ||||||||||||||||||||||
| 20 | Ward's Wonders | 28 | 7/12/1890 | BKP | vs | BUF | W 28-16 | |||||||||||||||||||||||
| 21 |  | Athletics | 28 | 4/23/1888 |  PHA | vs | CLE | W 28-7 | ||||||||||||||||||||||
| 22 | | Beaneaters | 28 | 8/27/1887 | BSN | vs |  PIT | W 28-14 | ||||||||||||||||||||||
| 23 | Browns | 28 | 4/30/1887 | STL | vs | CLE | W 28-11 | |||||||||||||||||||||||
| 24 | Grays | 28 | 8/21/1883 | PRO | vs | PHN | W 28-0 | |||||||||||||||||||||||
| 25 | Dark Blues | 28 | 5/13/1876 | HAR | vs |  NYM | W 28-3 | |||||||||||||||||||||||
Results may be incomplete. StatMuse has complete team, game-level data for runs going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
Brewers 
WSH 
DET 
Yankees 
Rays 
Guardians 
Mariners 
Astros 
Mets 
Padres 
BAL 
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