As the central piece of the script, the missing service revolver plays a vital role in moving the story forward.

Sajin Shrijith, critic of Cinema Express, gave 2.5 out of 5 stars and stated that "Oddly enough, despite Priyadarshan's interesting modifications to the original story, the film's failure to make one emotionally invested and its inability to find a fittingly logical resolution to all its threads work heavily against it".

[15] Anjana George, critic from The Times of India, gave 2.5 out 5 stars and wrote that "Nevertheless, the film fails to engage as the characters lack depth.

[17] Swathi P Ajith, critic of Onmanorama, noted that "Corona Papers' is a must-watch for those who are interested in mazy suspense thrillers.

[18] Sanjith Sidhardhan, critic for OTTplay, stated that "For a crime thriller, Corona Papers ends up as a rather tedious watch due to its intent-less characters and meandering storytelling" and gave 2 out of 5 stars.