Sixties (Sixty Six) is one of the most popular classic card games for two in Bulgaria and all over the world. Game 66 owes its reputation to easy-to-understand and learn santa's rules.

Also santase occupies a major place in the main charts for Bulgarian card games. Some of them are Belot, Solitaire, Swara, 3-5-8, War and others. Santas is the only game that allows players to review earned tricks.