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Free academic reading practice.
Play detective.
Build stronger reading skills.
Practise finding main ideas, spotting evidence and making careful inferences—skills useful for TOEFL and IELTS reading. Solve five clues, earn stars and discover what to practise next.
Drag to look around · Scroll or pinch to zoom · Click the dossier, board or magnifier
Choose an investigation
Read the four-paragraph dossier before the clock begins.
Choose an answer and mark the exact supporting sentences. Both parts earn credit.
Earn stars, choose an upgrade and unlock deeper investigations. Keep your case notes free.
Five clues: main claim, evidence pair, safe inference, author purpose and passage structure. Read at your pace here; the clue clock begins when you start.
The dossier
Select the sentences that prove your answer. Tap a selected sentence again to return it.
1–4 choose an answer · L locks · Esc pauses · Native buttons work with Tab / Enter
Your investigation is gaining momentum.
Choose your next advantage.
One upgrade for the final three clues. The clock is stopped while you decide.
Your detective case report
Your reading signals
Answer-and-evidence credit in the skills you actually attempted. A short case is a practice snapshot.
Your next repair clues
Your case file. Yours to keep.
Take every clue with you.
Your free case notes contain the full passage, all five answers, exact evidence, explanations and space for your own examples. The Reading Question-Type Cheat Sheets offer a free Essentials Edition for your next practice session.
Continue your practice
Explore the practice book ↗Want a guided path through reading, listening, speaking and writing? Aidoss Academy’s TOEFL course brings lessons, guided practice and skill tests together.
Explore the TOEFL course ↗No purchase needed · Progress stays on this device