You can still buy lots of DRM-free games today, most notably on GOG, but many offline games on Steam also ship without DRM and can be launched without running Steam.

I don’t think this image is AI because of the background composition. While I agree the pattern on the right arm looks a little weird, that alone doesn’t proof it’s AI. It could be edited using AI but might just be photoshopped. Also you shouldn’t trust AI detection software, it doesn’t work.

As someone who has tried studying all three languages, Korean and Japanese are actually quite similar. Many grammar patterns like particles and conjugations can be directly translated and many loanwords from Chinese sound very similar in both languages. So knowing either one certainly does make learning the other one easier.