Requires:

{
  "heatFrames": 240
}

Exit condition:

{
  "leaveWithRunway": {
    "length": 6,
    "openEnd": 0,
    "gentleDownTiles": 2,
    "startingDownTiles": 2
  }
}

Unlocks doors:

{"types":["missiles"],"requires":[{"heatFrames":60}]}
{"types":["super"],"requires":[]}
{"types":["powerbomb"],"requires":[{"heatFrames":60}]}