Here to confirm the Origin - they usually have a period of time where a game will be 'on the house'. The game itself changes so it's well worth checking every so often.
Additionally: Steam has certain games that are free to play. Many Youtubers etc are also sponsored by games and will give out codes to make 'free' games more accessible.
Additionally: Steam has certain games that are free to play. Many Youtubers etc are also sponsored by games and will give out codes to make 'free' games more accessible.