If you loved Riddle, try A Perfect Enemy
A bridge between a film you've already seen and one most people haven't. Here's what they share, and what the second one does that the first one doesn't.
What they share
Theyboth carry the paranoid mood tag, and they sit in Mystery / Thriller territory. If that's the register that drew you to Riddle, the second film will land in a comparable space — through a different lens.
paranoid
What A Perfect Enemy is
Paris airport. Winter dusk. An errant boarding pass. A famous architect, delayed, meets a strange woman. Her insistent stories trap him in the lounge, each confession a turn of the screw. Pleasantries devolve into threats. A tidy, if stagey, thriller in the Polanski mode.
Ask 
ChatGPT
Claude
Grok
Le Chat
Perplexity
for a deeper bridge
ChatGPTClaudeGrokLe ChatPerplexity