Who Is The Killer? Episode I vs Backrooms Nightmare
Side-by-side comparison for Android — updated April 2026
About Who Is The Killer? Episode I
Meet the first episode of a famous series of detective games «Who Is The Killer?» called «The Old Sins». You have found yourself being trapped in the castle with seven characters, and one of them is a murderer. Every day one of the charecters is killed, only you can stop the killer. «We would pe...
About Backrooms Nightmare
Dive into the nightmarish reality of Backrooms Nightmare — a terrifying game in the horror and survival genre. You woke up in an endless labyrinth of yellow rooms, where the laws of physics and reason are violated. Explore the levels, look for a way out, avoid encounters with what lurks in the da...
Verdict
Who Is The Killer? Episode I has a rating of 4.1. Backrooms Nightmare has 100+ downloads. Both apps are available for free download on Google Play Store. Try both to see which works best for you.