The Vault · Solo Case Files
The case comes
to you.
Real investigation, on your real WhatsApp, over five days. Suspects who answer anything — and crack only when you find the right question. No app. No choice buttons. Just you and the case.
METHOD 01
Ask anything
No option menus. Type your questions. The skill is finding the one they can't survive.
METHOD 02
Earn every clue
Nothing is interpreted for you. Catch the contradiction, break the alibi, and prove the accusation.
METHOD 03
A fair authored case
Every decisive clue exists before the reveal. The answer comes from your evidence, never an AI improvisation.
Evidence archive
The vault.
Case 001 · Chennai
Difficulty · Medium ◆◆◇
The Last Local
He was supposed to board the 23:52 from Beach station and never arrived. His phone kept texting for three days. Something about the texts is wrong.
from ₹799 · open the file →
Case 002 · Under Seal
[ Redacted ]
Opens after Case 001. Finishers see the cold open first — one photograph, no caption.
the next case · unlocking soon
Madras Mysteries Detective Agency · We find what love hides.