@hack.near I created logic game based on smart contracts - [Sudoku](https://near.social/#/bozon.near/widget/Sudoku). Players can compete on leaderboard. Smart contract - [sudoku.bozon.near](https://explorer.near.org/accounts/sudoku.bozon.near) Used [this](https://github.com/Emerentius/sudoku) sudoku rust library [Smart contract code](https://github.com/ligebit/SUDOKU)