diff --git a/README.md b/README.md
index 3d6fd33..81383f3 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,11 @@ ___
 
 ___
 
+Note: `game` branch
+* Polygon-based smart contract for NFT cards
+* Building an [api component](https://github.com/signal-k/dabpi) on top of smart contract
+* Build moralis api into this branch
+
 
 ## 📝 What is "Signal-K/polygon"?
 
diff --git a/contracts/.DS_Store b/contracts/.DS_Store
deleted file mode 100644
index 9e0080c..0000000
Binary files a/contracts/.DS_Store and /dev/null differ
diff --git a/contracts/1_Storage.sol b/contracts/1_Storage.sol
deleted file mode 100644
index 2958b79..0000000
--- a/contracts/1_Storage.sol
+++ /dev/null
@@ -1,28 +0,0 @@
-// SPDX-License-Identifier: GPL-3.0
-
-pragma solidity >=0.7.0 <0.9.0;
-
-/**
- * @title Storage
- * @dev Store & retrieve value in a variable
- */
-contract Storage {
-
-    uint256 number;
-
-    /**
-     * @dev Store value in variable
-     * @param num value to store
-     */
-    function store(uint256 num) public {
-        number = num;
-    }
-
-    /**
-     * @dev Return value 
-     * @return value of 'number'
-     */
-    function retrieve() public view returns (uint256){
-        return number;
-    }
-}
\ No newline at end of file
diff --git a/contracts/2_Owner.sol b/contracts/2_Owner.sol
deleted file mode 100644
index 601ee32..0000000
--- a/contracts/2_Owner.sol
+++ /dev/null
@@ -1,51 +0,0 @@
-// SPDX-License-Identifier: GPL-3.0
-
-pragma solidity >=0.7.0 <0.9.0;
-
-/**
- * @title Owner
- * @dev Set & change owner
- */
-contract Owner {
-
-    address private owner;
-    
-    // event for EVM logging
-    event OwnerSet(address indexed oldOwner, address indexed newOwner);
-    
-    // modifier to check if caller is owner
-    modifier isOwner() {
-        // If the first argument of 'require' evaluates to 'false', execution terminates and all
-        // changes to the state and to Ether balances are reverted.
-        // This used to consume all gas in old EVM versions, but not anymore.
-        // It is often a good idea to use 'require' to check if functions are called correctly.
-        // As a second argument, you can also provide an explanation about what went wrong.
-        require(msg.sender == owner, "Caller is not owner");
-        _;
-    }
-    
-    /**
-     * @dev Set contract deployer as owner
-     */
-    constructor() {
-        owner = msg.sender; // 'msg.sender' is sender of current call, contract deployer for a constructor
-        emit OwnerSet(address(0), owner);
-    }
-
-    /**
-     * @dev Change owner
-     * @param newOwner address of new owner
-     */
-    function changeOwner(address newOwner) public isOwner {
-        emit OwnerSet(owner, newOwner);
-        owner = newOwner;
-    }
-
-    /**
-     * @dev Return owner address 
-     * @return address of owner
-     */
-    function getOwner() external view returns (address) {
-        return owner;
-    }
-}
\ No newline at end of file
diff --git a/contracts/3_Ballot.sol b/contracts/3_Ballot.sol
deleted file mode 100644
index c47be92..0000000
--- a/contracts/3_Ballot.sol
+++ /dev/null
@@ -1,138 +0,0 @@
-// SPDX-License-Identifier: GPL-3.0
-
-pragma solidity >=0.7.0 <0.9.0;
-
-/** 
- * @title Ballot
- * @dev Implements voting process along with vote delegation
- */
-contract Ballot {
-   
-    struct Voter {
-        uint weight; // weight is accumulated by delegation
-        bool voted;  // if true, that person already voted
-        address delegate; // person delegated to
-        uint vote;   // index of the voted proposal
-    }
-
-    struct Proposal {
-        // If you can limit the length to a certain number of bytes, 
-        // always use one of bytes1 to bytes32 because they are much cheaper
-        bytes32 name;   // short name (up to 32 bytes)
-        uint voteCount; // number of accumulated votes
-    }
-
-    address public chairperson;
-
-    mapping(address => Voter) public voters;
-
-    Proposal[] public proposals;
-
-    /** 
-     * @dev Create a new ballot to choose one of 'proposalNames'.
-     * @param proposalNames names of proposals
-     */
-    constructor(bytes32[] memory proposalNames) {
-        chairperson = msg.sender;
-        voters[chairperson].weight = 1;
-
-        for (uint i = 0; i < proposalNames.length; i++) {
-            // 'Proposal({...})' creates a temporary
-            // Proposal object and 'proposals.push(...)'
-            // appends it to the end of 'proposals'.
-            proposals.push(Proposal({
-                name: proposalNames[i],
-                voteCount: 0
-            }));
-        }
-    }
-    
-    /** 
-     * @dev Give 'voter' the right to vote on this ballot. May only be called by 'chairperson'.
-     * @param voter address of voter
-     */
-    function giveRightToVote(address voter) public {
-        require(
-            msg.sender == chairperson,
-            "Only chairperson can give right to vote."
-        );
-        require(
-            !voters[voter].voted,
-            "The voter already voted."
-        );
-        require(voters[voter].weight == 0);
-        voters[voter].weight = 1;
-    }
-
-    /**
-     * @dev Delegate your vote to the voter 'to'.
-     * @param to address to which vote is delegated
-     */
-    function delegate(address to) public {
-        Voter storage sender = voters[msg.sender];
-        require(!sender.voted, "You already voted.");
-        require(to != msg.sender, "Self-delegation is disallowed.");
-
-        while (voters[to].delegate != address(0)) {
-            to = voters[to].delegate;
-
-            // We found a loop in the delegation, not allowed.
-            require(to != msg.sender, "Found loop in delegation.");
-        }
-        sender.voted = true;
-        sender.delegate = to;
-        Voter storage delegate_ = voters[to];
-        if (delegate_.voted) {
-            // If the delegate already voted,
-            // directly add to the number of votes
-            proposals[delegate_.vote].voteCount += sender.weight;
-        } else {
-            // If the delegate did not vote yet,
-            // add to her weight.
-            delegate_.weight += sender.weight;
-        }
-    }
-
-    /**
-     * @dev Give your vote (including votes delegated to you) to proposal 'proposals[proposal].name'.
-     * @param proposal index of proposal in the proposals array
-     */
-    function vote(uint proposal) public {
-        Voter storage sender = voters[msg.sender];
-        require(sender.weight != 0, "Has no right to vote");
-        require(!sender.voted, "Already voted.");
-        sender.voted = true;
-        sender.vote = proposal;
-
-        // If 'proposal' is out of the range of the array,
-        // this will throw automatically and revert all
-        // changes.
-        proposals[proposal].voteCount += sender.weight;
-    }
-
-    /** 
-     * @dev Computes the winning proposal taking all previous votes into account.
-     * @return winningProposal_ index of winning proposal in the proposals array
-     */
-    function winningProposal() public view
-            returns (uint winningProposal_)
-    {
-        uint winningVoteCount = 0;
-        for (uint p = 0; p < proposals.length; p++) {
-            if (proposals[p].voteCount > winningVoteCount) {
-                winningVoteCount = proposals[p].voteCount;
-                winningProposal_ = p;
-            }
-        }
-    }
-
-    /** 
-     * @dev Calls winningProposal() function to get the index of the winner contained in the proposals array and then
-     * @return winnerName_ the name of the winner
-     */
-    function winnerName() public view
-            returns (bytes32 winnerName_)
-    {
-        winnerName_ = proposals[winningProposal()].name;
-    }
-}
diff --git a/contracts/CreditTokenRef.sol b/contracts/CreditTokenRef.sol
new file mode 100644
index 0000000..d0e7908
--- /dev/null
+++ b/contracts/CreditTokenRef.sol
@@ -0,0 +1,85 @@
+// SPDX-License-Identifier: MIT
+
+pragma solidity ^0.8.0;
+
+import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
+import "@openzeppelin/contracts/access/Ownable.sol";
+
+contract LipToken is ERC721, Ownable {
+  constructor(string memory _name, string memory _symbol)
+    ERC721(_name, _symbol)
+  {}
+
+  uint256 COUNTER;
+
+  uint256 fee = 0.01 ether;
+
+  struct Lip {
+    string name;
+    uint256 id;
+    uint256 dna;
+    uint8 level;
+    uint8 rarity;
+  }
+
+  Lip[] public lips;
+
+  event NewLip(address indexed owner, uint256 id, uint256 dna);
+
+  // Helpers
+  function _createRandomNum(uint256 _mod) internal view returns (uint256) {
+    uint256 randomNum = uint256(
+      keccak256(abi.encodePacked(block.timestamp, msg.sender))
+    );
+    return randomNum % _mod;
+  }
+
+  function updateFee(uint256 _fee) external onlyOwner {
+    fee = _fee;
+  }
+
+  function withdraw() external payable onlyOwner {
+    address payable _owner = payable(owner());
+    _owner.transfer(address(this).balance);
+  }
+
+  // Creation
+  function _createLip(string memory _name) internal {
+    uint8 randRarity = uint8(_createRandomNum(100));
+    uint256 randDna = _createRandomNum(10**16);
+    Lip memory newLip = Lip(_name, COUNTER, randDna, 1, randRarity);
+    lips.push(newLip);
+    _safeMint(msg.sender, COUNTER);
+    emit NewLip(msg.sender, COUNTER, randDna);
+    COUNTER++;
+  }
+
+  function createRandomLip(string memory _name) public payable {
+    require(msg.value >= fee);
+    _createLip(_name);
+  }
+
+  // Getters
+  function getLips() public view returns (Lip[] memory) {
+    return lips;
+  }
+
+  function getOwnerLips(address _owner) public view returns (Lip[] memory) {
+    Lip[] memory result = new Lip[](balanceOf(_owner));
+    uint256 counter = 0;
+    for (uint256 i = 0; i < lips.length; i++) {
+      if (ownerOf(i) == _owner) {
+        result[counter] = lips[i];
+        counter++;
+      }
+    }
+    return result;
+  }
+
+  // Actions
+  function levelUp(uint256 _lipId) public {
+    require(ownerOf(_lipId) == msg.sender);
+    Lip storage lip = lips[_lipId];
+    lip.level++;
+  }
+}
\ No newline at end of file
diff --git a/contracts/GearToken.sol b/contracts/GearToken.sol
new file mode 100644
index 0000000..d259557
--- /dev/null
+++ b/contracts/GearToken.sol
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: MIT
+
+pragma solidity ^0.8.0;
+
+import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/token/ERC721/ERC721.sol";
+import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/access/Ownable.sol";
+
+contract GearToken is ERC721, Ownable {
+    uint256 COUNTER; // Incremental function for indexing of NFTs
+
+    struct Gear {
+        string name;
+        uint256 id;
+        uint256 dna;
+        uint8 level;
+        uint8 rarity;
+    }
+
+    Gear[] public gears;
+
+    constructor(string memory _name, string memory _symbol)
+        ERC721(_name, _symbol)
+    {}
+
+    // Minting function
+    function _createGear(string memory _name, uint256 _dna) internal {
+        Gear memory newGear = Gear(_name, COUNTER, _dna, 1, 50);
+        gears.push(newGear); // Adds the new gear onto the array
+        /*_safeMint(_to, COUNTER); // Who is the NFT for?, what is the identifier of the NFT that's being minted?
+        COUNTER++;*/
+    }
+}
\ No newline at end of file
diff --git a/contracts/Token.sol b/contracts/Token.sol
deleted file mode 100644
index 2c263f0..0000000
--- a/contracts/Token.sol
+++ /dev/null
@@ -1,14 +0,0 @@
-// SPDX-License-Identifier: Apache-2.0
-pragma solidity ^0.8.11;
-
-import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/token/ERC20/ERC20.sol";
-
-contract Token is ERC20 {
-    constructor () public ERC20("KinetiKoin", "SKK") { // Coin name: KinetiKoin, short name: SKK
-        _mint(msg.sender, 1000000 * (10 ** uint256(decimals()))); // Minting 1000000 tokens to the sender, which is ourselves (at the start) (see bottom comments section)
-    }
-}
-
-/*
-    msg.sender refers to whoever is interacting with the s.contract through this function.
-*/
\ No newline at end of file
diff --git a/scripts/deploy_ethers.js b/scripts/deploy_ethers.js
deleted file mode 100644
index 14eae13..0000000
--- a/scripts/deploy_ethers.js
+++ /dev/null
@@ -1,29 +0,0 @@
-// Right click on the script name and hit "Run" to execute
-(async () => {
-    try {
-        console.log('Running deployWithEthers script...')
-    
-        const contractName = 'Storage' // Change this for other contract
-        const constructorArgs = []    // Put constructor args (if any) here for your contract
-
-        // Note that the script needs the ABI which is generated from the compilation artifact.
-        // Make sure contract is compiled and artifacts are generated
-        const artifactsPath = `browser/contracts/artifacts/${contractName}.json` // Change this for different path
-    
-        const metadata = JSON.parse(await remix.call('fileManager', 'getFile', artifactsPath))
-        // 'web3Provider' is a remix global variable object
-        const signer = (new ethers.providers.Web3Provider(web3Provider)).getSigner()
-    
-        let factory = new ethers.ContractFactory(metadata.abi, metadata.data.bytecode.object, signer);
-    
-        let contract = await factory.deploy(...constructorArgs);
-    
-        console.log('Contract Address: ', contract.address);
-    
-        // The contract is NOT deployed yet; we must wait until it is mined
-        await contract.deployed()
-        console.log('Deployment successful.')
-    } catch (e) {
-        console.log(e.message)
-    }
-})()
\ No newline at end of file
diff --git a/scripts/deploy_web3.js b/scripts/deploy_web3.js
deleted file mode 100644
index 441dcd4..0000000
--- a/scripts/deploy_web3.js
+++ /dev/null
@@ -1,32 +0,0 @@
-// Right click on the script name and hit "Run" to execute
-(async () => {
-    try {
-        console.log('Running deployWithWeb3 script...')
-        
-        const contractName = 'Storage' // Change this for other contract
-        const constructorArgs = []    // Put constructor args (if any) here for your contract
-    
-        // Note that the script needs the ABI which is generated from the compilation artifact.
-        // Make sure contract is compiled and artifacts are generated
-        const artifactsPath = `browser/contracts/artifacts/${contractName}.json` // Change this for different path
-
-        const metadata = JSON.parse(await remix.call('fileManager', 'getFile', artifactsPath))
-        const accounts = await web3.eth.getAccounts()
-    
-        let contract = new web3.eth.Contract(metadata.abi)
-    
-        contract = contract.deploy({
-            data: metadata.data.bytecode.object,
-            arguments: constructorArgs
-        })
-    
-        const newContractInstance = await contract.send({
-            from: accounts[0],
-            gas: 1500000,
-            gasPrice: '30000000000'
-        })
-        console.log('Contract deployed at address: ', newContractInstance.options.address)
-    } catch (e) {
-        console.log(e.message)
-    }
-  })()
\ No newline at end of file
diff --git a/tests/4_Ballot_test.sol b/tests/4_Ballot_test.sol
deleted file mode 100644
index cf5ad3a..0000000
--- a/tests/4_Ballot_test.sol
+++ /dev/null
@@ -1,26 +0,0 @@
-// SPDX-License-Identifier: GPL-3.0
-
-pragma solidity >=0.7.0 <0.9.0;
-import "remix_tests.sol"; // this import is automatically injected by Remix.
-import "../contracts/3_Ballot.sol";
-
-contract BallotTest {
-   
-    bytes32[] proposalNames;
-   
-    Ballot ballotToTest;
-    function beforeAll () public {
-        proposalNames.push(bytes32("candidate1"));
-        ballotToTest = new Ballot(proposalNames);
-    }
-    
-    function checkWinningProposal () public {
-        ballotToTest.vote(0);
-        Assert.equal(ballotToTest.winningProposal(), uint(0), "proposal at index 0 should be the winning proposal");
-        Assert.equal(ballotToTest.winnerName(), bytes32("candidate1"), "candidate1 should be the winner name");
-    }
-    
-    function checkWinninProposalWithReturnValue () public view returns (bool) {
-        return ballotToTest.winningProposal() == 0;
-    }
-}