16 pixels by 16 pixels is a common resolution for assets matching a low-res pixel art aesthetic. Although the assets may not be specifically 16x16, they are designed to work in a graphical setting where objects are around that size.
Explore game assets tagged 16x16, Construct 2 and Graphical User Interface (GUI) on itch.io · Upload your game assets to itch.io to have them show up here.
