There are 2 type of credits, "Regular Game Credits" and "Bonus Credits". They are used to buy different items. For example Bonus Credits are not allowed to be used for nominating a horse to run in a race but can be used to buy horseshoes.

Regular Game Credits

• Buy Horses
• Breed Horses
• Claim Horses
• Enter Races

Bonus Game Credits

• Buy Site Created Horses
• Geld
• Horseshoes