April Fool

April Fool's Day (1st of April) is often use to make jokes. Some games feature horses as part of an April Fool, and some horse games celebrate the day by implementing one-day joke. Here is a list of games that celebrate April Fool.

Star Stable Online
Star Stable Online released some April Fools: Picture please
 * Between 2013 and 2015, the player can visit the Easter Bunny on April Fool's Day to change starter horse into colorful designs.
 * In 2016, the SuperShire was released for one day, but cannot be purchased.
 * In 2019, Car Stable was released for one day.
 * In 2020, Small Stable was released for one day.
 * In 2021, no April Fool was released.
 * In 2022, Star Stable announced that no more April Fool would be released.

April Fool Horse Games

 * Spirit 2: Die Rückkehr des schwarzen Hengstes
 * Horse-Life, horse mod of Half-Life
 * Among Us Horse Mode