If you are using a screen reader, it is important for you to know the command, option, and shift buttons, cannot be used to navigate this interactive after you press play game. The only keyboard controls you will need for navigation are the tab button to select different items in the interactive and space bar to confirm selections.
Clicking the "Get Started" button will launch the game itself and give it focus. Once it has focus, you can play the rest of the game using tab, the space bar, and a few simple keyboard commands. If you leave the game's focus area, you may need to reload the page to continue playing.
At any time in the game, you may press "H" for help, or you may press "S" to summarize the current state of the game and the choice that is in front of you. For instance, if you are being offered a choice, pressing "H" will tell you to use the tab key to select items and space bar to confirm your choice. Pressing "S" will re-speak the choices you are being offered.