Super Mario Bros World 1-4

The level is set castle. The clock starts at 300 seconds. There is one enemy placed on the map: 1 Bowser. Power-ups: 1 Super Mushroom.

Bowser. The level ends on the bridge. You can either throw fireballs at Bowser, or run past him and hit the axe at the far end to drop the bridge.

Every number above is read straight out of the game files this site runs on, so the map you play here is the map being described.