"This warship is designed to enhance its crew for close combat missions."
The Gila Monster is the default name for Layout A of the Mantis Cruiser, a playable ship in FTL: Faster Than Light.
The full-size map is designed for a 50x40 grid.
You can download this map for your TTRPG of choice from the gallery:
FTL: The Gila Monster
(Click the dots '...' and select 'Download Original')
You can also purchase the tileset used to make this map from Itch.io (requires Dungeondraft).