Found this site seems to be linked to a charity as well so 10% goes to them when games are bought.
I've signed up for the monthly game plan for £8.90 a month for 5 steam games.
https://www.humblebundle.com
Those that like cheaper steam games found this site that sells keys and it seems legit bought 2 games from them.
Transformers devastation for £11.90
and Stellaris for £22
https://www.instant-gaming.com/en/