| Description | The description of the map, as shown in the Spring multiplayer battleroom. |
| Detail map | The filename of the detail map image applied to the ground texture in Spring. If no filename is specified, a default detail map is used. Note that the detail map (if used) must be placed in the 'maps' directory within the SD7 archive. |
| Hardness | The resistance of the map surface to deformation by explosions, etc. |
| Gravity | The downward acceleration due to gravity experienced by projectiles, explosion fragments, etc.1) |
| Max. metal | The amount of metal produced from one square of the map with the maximum value in the metal map. |
| Extractor radius | The radius from which a single metal extractor will extract metal. Note: if the radii of two extractors overlap, the output of both extractors will be reduced. |
| Tidal strength | The amount of energy provided by tidal generators. |
| Auto show metal | Automatically displays the metal map in Spring whenever the user chooses to build a metal extractor. If this flag is disabled, the user must press F4 to view the metal map. |
