SQL Murder Mystery
Query a police database with SQL to catch a killer
In SQL Murder Mystery, a crime has happened in SQL City and you are the detective. You search a police database with SQL queries to follow clues, read reports and find out who the killer is. When you think you know, you check your answer in the database.
Free · No login · Browser · Beginner
About SQL Murder Mystery
The game practises SELECT queries, filtering and joining tables, and exploring an unknown database schema. If you are new to SQL, there is a walkthrough that explains the basic commands first. Experienced users can start straight away.
It runs entirely in the browser, so you do not need to install a database or create an account.
On Breakpoint since 23 Oct 2026.