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Municipal Signal Office · Case files

Signal Room

Four witnesses. One false alibi.
Prove it with the record that contradicts it.

Today's case · UTC

Interview

0 statements heard

Written dialogue with topic matching. Unknown questions never cost a turn.

Inspect the records

0 / 4 opened

Open a record to inspect its exact details.

Your deduction

Which statement cannot be true?

Choose a witness, a statement you heard, and a record you opened. The exact contradiction matters.

Pin a statement from an interview.
Pin a record to compare it with the statement.

Interview someone and inspect a record to begin.

Six original fictional cases. The daily selection rotates through this collection; every case is available in the archive. Progress stays on this device. Statements and evidence are fixed before you begin.