Netflix - Squid Games
If you liked Squid Games, you might also enjoy
Alice in Borderland. It's a Japanese one but has a similar type of theme (but also is very different).
I highly recommend Kingdom!
We watched that until we ran out of seasons. Think they put out more episodes since and we just haven't caught up but really enjoyed it as well.
We just finished marathoning squid games ourselves and we're more than halfway through
Giri / Haji which I do highly recommend. Takes place between London and Tokyo where a cop has to go to London to try to find his brother and bring him home. It's got lots of crime and action and yakuza while also having a good dramatic story. The acting - I think - is verryy good.
TV shows specifically that I have on my list to watch that I haven't had a chance to start yet:
the new season of YOU
Maid
Midnight Mass
The Chair
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Everything else on my list is more or less films or documentaries lol.