Publisher's blurb: Endless Dungeons is a Modular Tile Set series, designed for VTT use. Castle Ruins 2 More Rooms! brings you more 15x15 Room Tiles for Vol. 13 and other marked Endless Dungeons Sets Battle Maps, with 40 Ready to Play 15x15 Battle Maps, no two Dungeons will ever be the same! 40 Ready to play 15x15 Maps compatible with the tiles in Vol. 13, 16 and other marked sets! These maps and tiles were made for VTT use. All grids align at a 140x140 pixel per unit ratio. All titles of the tiles are named with the pieces size in units- ie: 30x30_Map_03. That map or tile will fit your VTT at the size ratio for the grid size in your VTT of choice. All tiles Snap together on a grid in Photoshop or Gimp when assembled there as well!