If you loved The Blackout, try Major Grom
A bridge between a film you've already seen and one most people haven't. Major Grom has roughly 8.2× fewer votes than The Blackout — it's a deeper cut, not a mainstream recommendation. Here's what they share, and what the second one does that the first one doesn't.
What they share
Theysit in Action / Science Fiction territory. If that's the register that drew you to The Blackout, the second film will land in a comparable space — through a different lens.
What Major Grom is
You investigate crimes in St. Petersburg and then a bank robbery unfolds but a detective takes action. The film leaves him changed.

