The achievements on Howrse ended today, at the end of June 2010. They have been replaced by "quests" which are available to new users. You can find out more about both from the player forum of rivenwood.
you need to complete an achievement on howrse
1 Philosopher's stone 5000e 5 aging points
When you pass the 6th riding level on howrse, you receive a Horn of Plenty.
Nobody is quite sure at the moment. However, seeing as it says that you must purchase it, the answer is no.
There is no job change when you pass Howrse riding level 3.
Hey i have forgotten what the answer is but you need it to pass a level on howrse don't you. You should go on howrse info and it has all the answer.
No
Get one of your horses to 100% in energy, health, and morale. Then just age that horse.
riding level 2 and you have to be on for 10 days before you can pass that riding level
You do not get anything, it is just a bonus level
i go to to howrseinfo.com for riding level things and a lot of other howrse things.
you take the test and if you pass the test you can move up a level