Created using remix-ide: Realtime Ethereum Contract Compiler and Runtime. Load this file by pasting this gists URL or ID at https://remix.ethereum.org/#version=soljson-v0.8.4+commit.c7e474f2.js&optimize=false&runs=200&gist=

contracts...myGame.sol

pragma solidity >=0.7.0 <0.9.0;

/*The whole point of this particular contract is to demonstrate time on the ethereum blockchain, 
written in remix IDE by Jake Colson */

contract myGame {
    
    uint public playerCount = 0;
    mapping (address => Player) public players;
    
    enum Level {Novice, Intermediate, Advance}
    
    struct Player {
        address playerAddress;
        Level playerLevel;
        string firstName;
        string lastName;
        uint createdTime;
    }
    
    function addPlayer(string memory firstName, string memory lastName) public {
                                                                                    //timestamp the time when this line is run
        players[msg.sender] = Player(msg.sender, Level.Novice, firstName, lastName, block.timestamp);
        playerCount += 1;
    }
    
    function getPlayerLevel(address playerAddress) public view returns(Level){
        Player storage player = players[playerAddress];
        return player.playerLevel;
    }
    
    /* When this function is called, if 20 seconds has elapsed 
    from the player creation (player instantiation). The players level 
    is changed from Novice to Intermediate (it will only work 
    once in this current set up and will not do anything 
    after it has be succesfully run) */ 
    function changePlayerLevel(address playerAddress) public {
        Player storage player = players[playerAddress];
        
        //If current time is greater than or equal to createdTime plus 20 seconds
        if (block.timestamp >= player.createdTime + 20) {
            player.playerLevel = Level.Intermediate;
        }
    }
}