Play games... win money!

Thank you again to [StephenGrider](https://github.com/StephenGrider/EthereumCasts). Both the Inbox.sol and Lottery.sol contracts were excellent inspirations for the Money Game smart contract. They explain a lot of the key concepts in Solidity programming.

As we slowly climb deeper into this world of smart contracts, let's quickly review what we have learned in this chapter.