Exit condition:

"leaveWithMockball": {
  "remoteRunway": {
    "length": 8,
    "openEnd": 1,
    "steepUpTiles": 2
  },
  "landingRunway": {
    "length": 4,
    "openEnd": 1
  }
}

Unlocks doors:

{"types": ["ammo"], "requires": []}