elie07 asked:

I saw your ask about little pixel foods and have to ask. How large are the upgrade sprites? and how long does it take to make one

orteil42 answered:

each icon for cookie clicker upgrades and achievements is 24 by 24 pixels (blown up x2 for display ingame) and can take anywhere from 5 minutes to maybe 50 if i’m feeling particularly unwell and ambitious that day. i’ve revised some of those icons like 4 times from update to update because nothing is more grating than opening the full spritesheet and spotting the one cookie that’s sunk below my current satisfaction levels