A black screen, nothing more - Version 253306

{
  "MaxPlayers": 64,
  "MinPlayers": 1,
  "TickRate": 50,
  "GameNetworkType": "Multiplayer",
  "MapSelect": "Unrestricted",
  "MapList": [
    "facepunch.flatgrass"
  ],
  "RankType": "None",
  "PerMapRanking": false,
  "LeaderboardType": "None",
  "CsProjName": "",
  "StartupScene": "main.scene",
  "LaunchMode": "Launcher",
  "MapStartupScene": "main.scene",
  "DedicatedServerStartupScene": "main.scene",
  "SystemScene": "main.scene",
  "Resources": "",
  "GameSettings": [],
  "CodePackageReferences": []
}