GOLD KOIN is the world's best online free card game!

The game allows you to invite your friends to play and compete for rich rewards.

The game offers a number of modes, including the following:

FREE mode: Play for free, no registration required!

A friend invites mode: You can invite your friends to play the game for free!

Competitive mode: Invite as many friends as you want to play with, compete for rich rewards, and get awesome bonuses for bringing your friends.

A competitive streak mode: If you get a streak of three, four, or five in a row, you'll get rich rewards and lots of other bonuses.

The card ranking is as follows (From High to Low):

Pair (two of a kind): Two cards of the same value.