Exam prep, mapped as a knowledge graph

Every exam becomes a living heatmap. Find your weak spots, drill the reddest first, and turn them green in 5 minutes a day. No signup to start.

• World Geography Pro

  Master the map. Capitals, flags, borders, and the stories behind them.

  1,945questions45topics

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• US Citizenship Civics

  Know your rights. 100 official civics questions. The test that matters most.

  34questions17topics

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• FAA Part 107

  Commercial sUAS Remote Pilot Certificate

  300questions24topics

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• High School Algebra

  Build the foundation, then make the gray nodes green.

  500questions43topics

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• High School Chemistry

  See the invisible - make the gray nodes green.

  50questions23topics

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• PMP (Project Management Professional)

  PMI's 2026 outline. 180 questions, 230 minutes. See which domain sinks you.

  863questions29topics

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• Practical AI Fluency

  Use AI assistants well at work — no coding, no math

  610questions40topics

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• TOEFL iBT

  The 2026 test, decoded. Four skills, one band score, and the door to a US campus.

  311questions38topics

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