itch.io

The way sprite sizing works, 16x16 defines the tile size not so much the character size. Essentially, the character fits on a 16x16 tile grid but is a little taller than the tiles because of perspective. You don’t want the character to appear to be the same height as a table or for their feet to line up exactly with the bottom of a tile. Doing so causes visual issues with this and similar art styles. There are, however, art styles that are stricter with this and you’ve likely seen pixel art games, especially ones with smaller resolutions (like 8x8) that follow different perspective rules. Games with sprites that are somewhat taller than the tile size became more common in the SNES era which is my main inspiration for the itch assets.

Some of the characters are larger scale because they needed to be much larger than the usual human-sized sprites (such as Hulk, Hulkbuster, etc). It’s probably not a mistake that you’re noticing the sizes aren’t exactly as labeled, it’s intentional, but I can see how this might be confusing if you’re new to pixel art scaling stuff.

If there is an error, like a 16x16 sprite that is twice as large as it should be, it could be scaling error from when I was producing he sprite sheets. To know for sure, I’d need more details. Can you tell me what you’re trying to achieve with these assets? Were there specific ones that seemed the wrong size?