Go to Ranking >> Breeders and click on "Display My Ranking". Then click on your username, which will be highlighted. Then go back to Profile >> My Objectives. You should be able to validate it now and receive your reward!
put your horse in the box for over 6hrs
What is the objective
33. sell 100 units of manure at a time to the shop (300e). Every day your horse(s) produce droppings. Once you have 100 in your stock you can sell them and achieve this objective.
You go to your inbox, then there will be a tab that says notebook. All you do is press on that, write a letter or something. Them save and go back to your office.
You breed a unicorn. Period.
you have to congratulate someone on there birthday :)
100 droppings
an apple someone sends to you for an objective
Howrse has a page for people's birthdays. Click on one of them and then you click congratulate.
You can't beat Random Defence 2. The objective of the game is to get as far as you can against infinity waves.
When you get to the objective that tells you to name your horse "Tip", then you will get a prize for completing the objective.
You have to find a foal game schedule. If you are on International Howrse, there is one in Dr. Zig's forum.