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Atlas Mystery cover art, a 3D geography game for Grades 3–8 3D 10 free levels

Geography · Atlas Isles

Atlas Mystery

Read the evidence, cross out the suspects, and name the mystery country.

Grades
3–8
Levels
48 in 2 tracks
Free
10 levels
Session
5–15 minutes

What it is

Each case gives geographic evidence: the continent, the Equator or a tropic line, hemispheres, coasts, island or landlocked, which countries it borders, and how big it is. Cross out countries that don't fit on the labelled map or globe until only one is left. Every case is checked so exactly one country fits. This is a simplified world map made from Natural Earth data. Country borders follow Natural Earth's conventions, and places where people disagree about a border are never used to mark an answer wrong.

What children learn

Practises reading a world map as evidence: continents, hemispheres, lines of latitude, borders, coasts and relative size, combined step by step to rule possibilities out.

What it teaches

  • Deduction from clues
  • Hemispheres and lines of latitude
  • Countries and capitals

How to play

Choose Cross out and tap countries that don't fit; choose Pick and tap your answer, then press Check. Keyboard: arrow keys move the view, + and − zoom, Tab to the country list to cross out or pick by name.

Plays with: Touch Mouse Keyboard Pen

Accessibility

  • Read-aloud on request
  • Fully playable with a keyboard
  • Calm mode with reduced motion
  • No timers or time pressure
  • Never relies on color alone
  • Quiet mode turns off sound effects

Level maps

Tracks and levels

Each track is made for a grade range. Start anywhere that fits — you don't have to play the younger tracks first. As a guest, your stars are saved on this device.

Continent Clues

Three or four clues, starting with the continent.
3–5 24 levels · 5 free

Continent Clues

Three or four clues, starting with the continent. · 3–5

Levels 1–5 free
  1. 1 Mystery 1 ☆☆☆
  2. 2 Mystery 2 ☆☆☆
  3. 3 Mystery 3 ☆☆☆
  4. 4 Mystery 4 ☆☆☆
  5. 5 Mystery 5 ☆☆☆
  6. 6 Mystery 6 Plan level
  7. 7 Mystery 7 Plan level
  8. 8 Mystery 8 Plan level
  9. 9 Mystery 9 Plan level
  10. 10 Mystery 10 Plan level
  11. 11 Mystery 11 Plan level
  12. 12 Mystery 12 Plan level
  13. 13 Mystery 13 Plan level
  14. 14 Mystery 14 Plan level
  15. 15 Mystery 15 Plan level
  16. 16 Mystery 16 Plan level
  17. 17 Mystery 17 Plan level
  18. 18 Mystery 18 Plan level
  19. 19 Mystery 19 Plan level
  20. 20 Mystery 20 Plan level
  21. 21 Triple Mystery 21 Plan level
  22. 22 Triple Mystery 22 Plan level
  23. 23 Triple Mystery 23 Plan level
  24. 24 Triple Mystery 24 Plan level

Levels after 5 are part of a PlayOwl plan. Free levels, saving and basic reports stay free.

Start Continent Clues

World Detective

Three to five clues about lines of latitude, hemispheres, borders, coasts and size — later with no continent given.
6–8 24 levels · 5 free

World Detective

Three to five clues about lines of latitude, hemispheres, borders, coasts and size — later with no continent given. · 6–8

Levels 1–5 free
  1. 1 Case File 1 ☆☆☆
  2. 2 Case File 2 ☆☆☆
  3. 3 Case File 3 ☆☆☆
  4. 4 Case File 4 ☆☆☆
  5. 5 Case File 5 ☆☆☆
  6. 6 Case File 6 Plan level
  7. 7 Case File 7 Plan level
  8. 8 Case File 8 Plan level
  9. 9 Case File 9 Plan level
  10. 10 Case File 10 Plan level
  11. 11 Case File 11 Plan level
  12. 12 Case File 12 Plan level
  13. 13 Case File 13 Plan level
  14. 14 Case File 14 Plan level
  15. 15 Case File 15 Plan level
  16. 16 Case File 16 Plan level
  17. 17 Case File 17 Plan level
  18. 18 Case File 18 Plan level
  19. 19 Case File 19 Plan level
  20. 20 Case File 20 Plan level
  21. 21 Cold Case 21 Plan level
  22. 22 Cold Case 22 Plan level
  23. 23 Cold Case 23 Plan level
  24. 24 Cold Case 24 Plan level

Levels after 5 are part of a PlayOwl plan. Free levels, saving and basic reports stay free.

Start World Detective

More from Atlas Isles

Other geography games, each with its own free levels.