Download the release file, open it and copy everything(ctrl+a, ctrl+c). Then head over to the microbit python editor now just paste in the editor what you've just copied. Click on the "Send to micro:bit" button(make sure your microbit card is connected to your computer), select your microbit and then enjoy the game 😁 !
A button : to scroll through the menu
B button : to select an option, it can be used to go back when in-game
A button : to turn left
B button : to turn right
Multiplayer gamemode only works with 2 microbit cards, to play it the 2 cards must have selected the "Multi" option.