And most people are using the same riddles within this one thread itself.
"What has 5, possibly 4, hands but is normal?" Euchre
"What is the next letter: W I T N .. ?" H
"I come in different shapes and sizes. Part of me are curves, others are straight. You can put me anywhere you like, but I only have one right place. What am I?" Pencil
"What is green as grass but grass it's not, white as snow but snow it's not, red as blood but blood it's not, black as coal but coal it's not?" The words for the colors.