Howrse doesn't really ever end. I guess you can consider yourself a winner by getting yourself or you horses to the top of the podium. Or just by setting goals for yourself to complete. It depends on what satisfied you.
you have to enter the lottery its new on howrse if you are talking about the horse pearl
By the Jade horse
pride
Buy it or win it in one of the monthly competitions
though HOP's (Horn of Plenty) which can be found in the "Black Market" on Howrse, open it in the luck of finding one. NOTE: You won't automatically find the gem horse, Howrse will tell you on the News Feed when they're in the HOP's. also, you can win them in contests Howrse does every month!
you win them in horns of plenty
There are no longer achievements on howrse.
The cards on howrse are cards that you can buy or win during Christmastime to get things on the site. You have to buy them with real money though, not equus.
You don't win anything. All you get is the satisfaction of completing all of the levels.
The horse is returned to you.
- Use a Medusa's Blood on your horse - Buy them from the Sales - Win them
No you have to win and find aging points