The Chicago Colts have the most runs by a team in a game, with 36 runs versus the Louisville Colonels on June 29, 1897.
Interpreted as:
most runs in MLB regular-season game as a team ever| 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 
Yankees 
Rays 
Tigers 
Twins 
Astros 
Mariners 
Mets 
Padres 
CLE 
BAL 
ATH 
