Movies "like" Stalker?

The quotation marks in the title are doing some heavy lifting, but I'll try to describe what I mean.

One of the things I love about Stalker is that, as a first-time viewer, I was trying to play catchup the whole time. What's the zone? What's a stalker? What's the room? Who's Porcupine? The philosophical discussions between the three main characters all made sense, but I wasn't entirely grasping the full meaning behind them. I love that these things aren't explained to me at all.

By the end, I more or less understood everything on at least a fundamental level - but it's on subsequent re-watches that I really start to get it, picking up on all the little bits of information that I missed the first time around. I love being rewarded for re-watching - that's one of my favorite things in film.

What other non-English films would you recommend that might scratch that same itch? Asking for non-English specifically, because that's my biggest blind spot I'm trying to fill.