For Marathon , the team size appears to be trios in the main squad mode, with matches commonly described as 3-player teams. On some maps, that works out to about 4 to 6 teams per match , depending on the map size.

Match sizes

  • Perimeter: 5 teams, 15 players total.
  • Dire Marsh: 6 teams, 18 players total.
  • Outpost: 4 teams, 12 players total.

In plain English

If you meant the squad size , it’s 3 players. If you meant the number of teams in a match , it varies by map, but the reported range is 4 to 6 teams.