Here to get stared with this website, you will have to create a free account. After that, you can just simply choose the game from the main UI and then start playing. Before starting this game, it lets you choose your player and equip it with some useful tools. However, to use some players, you will have to subscribe to the paid plan.
After selecting the player, you can start the game. The screen will be divided into two parts. In one part, you can see the game and your player move. On the other side, you will see a code editor. In the code editor, you will have to write the code and run it to move your player. Other instructions are given there and you can opt for them accordingly. As you keep passing through different levels, the difficulty will be increased.
You don’t really have to create an account here to play the game. You open the game and then quickly understand the rules and then start playing. The code editor will open on the right side and you see what you have tow wrote in order to shoot aliens. You just write the code and run that code. The player will behave accordingly and will shoot aliens. This way, you can keep writing code and reach next level.
On the main UI, you will see a code editor in which you have to write the JS code. On top of the code editor is the elevator which will move based on the code you write. So, you just start writing the code and then hit the apply button. You can see the movement of the elevator and proceed in the similar manner. For more assistance, you can go through the help section and read more about it there. This is quite a fun game and once, you start playing, you will love it and it will eventually end up improving your JS skills.