You can figure this out yourself... can't you? Press space for no flashing lights. Otherwise, there will be flashing lights.
*Note: if you use this to make a game, advertising of that game is encouraged in this chat. :D I used @28benjaminrockhill 's project "Need ideas?" ( https://scratch.mit.edu/projects/630884337/ ) to figure out some of the last words. Other than that, most words were found on randomwordgenerator.com