320x512 image of 64x64 pixel-art tiles of dungeon walls/reefs. Suits for an RPG or roguelike game. Comes in two different color styles. If you wish this tileset in some specific colors, they can be easily changed with the color replacement tool in GM graphics editor.
Checkout my pixel art tutorials on youtube: https://www.youtube.com/playlist?list=PLjJnY9ZmcAGU2Vjih4JtP4s_ZYGBBP0RK