As of 2015, some online math and astronomy games for children include "Astronomy Hangman" and "Pumpkin Multiples." Along with "Astronomy Hangman," KidsAstronomy.com offers additional astronomy games to play for free online, including a sliding puzzle, memory game and crossword puzzle.
"Astronomy Hangman" allows a child to guess the astronomy related word by selecting letters. Parts of a detailed face appear when a selected letter is not in the word. In "Pumpkin Multiples," the child chooses the number to use as a multiple and then helps the ghost capture multiples of that number. Using the keyboard, the child moves the ghost left and right capturing pumpkins that are multiple of the selected number and avoiding those that are not.