We're working on a rough premise, where the player must avoid an ever expanding slimy ooze as they navigate a puzzle-filled dungeon. For tonight, I've been working on some rough tileset art. Each in-game tile is stitched together using a group of 4 sub-tile graphics, to reduce the number of total sprites we need!

An earlier draft:

P.S. I am a child. For reference, Wang Tiles.