# Overview

![DeSui Coin Flip.](https://643316035-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FhHDpCdmrFTRkw7ggFgXw%2Fuploads%2FNH5izOyRDurL0o9eUgZI%2Fcoinflipbanner.jpg?alt=media\&token=c105b2ef-212c-4e0e-8870-b33b4da2a296)

DeSuiFlip is a **smart contract game** for players to double their $SUI by guessing heads or tails.

**DeSui NFT holders receive gamified rewards and a 50% fee discount.**

Let's build the **#1 coin flip contract** on $SUI.