Free detective game where students practise English writing by interrogating suspects to solve a murder. No download. No account. No GDPR concerns. Works instantly on any school PC, Mac or tablet. Already used in classrooms worldwide - recommended by educational consultants at Danish universities (UCN, UCL, UC SYD) and adopted by schools in Denmark and Taiwan. WHAT IS IT? Jack & Mani is a free interactive murder mystery comic playable directly in any web browser. Students play Inspector Jack and must write freely in English to interrogate suspects and solve the case. The game automatically corrects grammar mistakes, corrects spelling errors, and explains every mistake in real time. Learning becomes an investigation to solve. WHY TEACHERS LOVE IT No download required No account needed - full GDPR compliance Works on any PC, Mac or tablet Play as guest - instant classroom access Episode 1 completely free Already used in schools across Denmark and Taiwan Recommended by university educational consultants WHAT STUDENTS HAVE TO FIND The killer The murder weapon The motive CLASSROOM SETUP - 5 MINUTES Open Chrome, Firefox or Safari Go to https://play.jackandmani.com (or scan QR code in guide) Enable Academic Mode and select English Play as guest - no login needed Start the free episode! THIS RESOURCE INCLUDES A ready-to-print teacher guide with step-by-step setup instructions, teaching tips, QR code and classroom recommendations. Age: 10-18 | Grades 5-12 | Duration: 30-45 min | Setup: 1-2 students per device Skills: writing - reading - grammar - vocabulary - critical thinking