| Taken | Quiz |
|---|
| 381,275 | Countries with the Longest Coastlines |
| 129,323 | Draw All Country Borders and Borderless Countries |
| 123,687 | Top 10 European Countries by Coastline |
| 116,616 | Seas of the World |
| 116,261 | Seas on the World Map |
| 104,633 | World's Longest Rivers |
| 101,164 | Five Countries with the Longest Coastline by Continent |
| 98,815 | Countries That Touch the Baltic Sea |
| 86,734 | Famous Rivers |
| 86,646 | Seas that Touch the Most Countries |
| 86,525 | Top 10 Asian Countries by Coastline |
| 80,897 | Biggest Lakes in the World |
| 77,447 | North Sea Countries |
| 76,994 | Seas of Europe |
| 75,633 | Natural Features of Countries #1 |
| 75,459 | Countries with Fjords |
| 73,802 | World's Longest Rivers on a Map |
| 72,866 | Landforms Quiz |
| 72,585 | Name a Valid Country Bordering Each Sea |
| 70,537 | Top 10 American Countries by Coastline |
| 70,450 | American Countries With No Atlantic Coastline |
| 70,089 | 100 Rivers on a World Map |
| 69,598 | U.S. Cities with Landforms in The Name |
| 68,733 | Bay of Bengal Countries With an Empty Map |
| 66,824 | Countries With No Rivers |
| 64,919 | Trace the Coast of Europe with a Map |
| 64,000 | Countries That Touch the Adriatic Sea |
| 59,478 | Countries That Touch the Red Sea |
| 59,150 | Bodies of Water by Satellite Image #1 |
| 57,017 | Caspian Sea Countries |
| 55,820 | Black Sea Countries |
| 54,995 | African Great Lake Countries with an Empty Map |
| 54,641 | Countries Closest to the Aegean Sea |
| 54,477 | Countries Farthest From the Sea |
| 53,387 | Countries with the Shortest Coastlines |
| 52,848 | 100 Longest Rivers in Europe - with a Map |
| 52,513 | Tectonic Plates Map Quiz |
| 52,303 | South China Sea Countries |
| 51,758 | Capital Cities by Body of Water |
| 51,006 | Landforms by Country Quiz |
| 50,139 | Biggest City by River |
| 50,063 | Trace the Coast of Afro-Eurasia with a Map |
| 48,612 | Mississippi River States Empty Map Quiz |
| 47,807 | African Great Lakes |
| 47,452 | Top 10 U.S. States with the Longest Coastline |
| 47,374 | Movies with Landforms in the Name |
| 46,832 | Rivers of The United States Quiz |
| 46,535 | Mekong River Countries Empty Map Quiz |
| 45,252 | Top 10 African Countries by Coastline |
| 45,209 | Rivers of Europe Quiz |
| 44,946 | Trace the Coast of the Americas with a Map |
| 44,554 | Trace the Coast of the World Map |
| 44,411 | Great Lakes Quiz |
| 43,207 | Nile River Basin Countries on a Map |
| 39,450 | Cities on a Map of the Great Lakes |
| 39,283 | Layers of the Earth and Atmosphere |
| 39,035 | Rivers and Lakes whose Names are Countries |
| 38,114 | Geological Extremes Quiz |
| 36,786 | Most Populous River Basins |
| 36,467 | Rivers that Flow through the Most Countries |
| 35,202 | Major U.S. Rivers with State Names |
| 34,267 | Amazon... or Nile? |
| 33,965 | Natural Features of Countries #2 |
| 33,738 | 10 Longest Rivers in the United States |
| 32,924 | Bodies of Water around the Arabian Peninsula |
| 32,869 | Asian Physical Geography |
| 32,258 | Capitals by River |
| 31,246 | European Physical Geography |
| 30,932 | Draw the Coast of the Mediterranean on the Map |
| 30,848 | Rivers A-Z |
| 30,598 | Name a Valid Country for Each River |
| 29,391 | Tectonic Plates on a Map |
| 29,404 | Bodies of Water on the World Map |
| 29,344 | African Physical Geography |
| 27,710 | States and Provinces that Touch the Great Lakes |
| 26,678 | UK Rivers Map Quiz |
| 26,341 | Answers Contain Sea |
| 26,201 | U.S. States by Landform Quiz |
| 25,984 | Bodies of Water by Cities |
| 25,814 | Gulfs and Bays on the World Map |
| 25,463 | Landforms by Description Quiz |
| 24,499 | City to River #1 |
| 24,315 | Cities on the Mediterranean Sea by a Clue |
| 24,251 | Trace the Coast and International Borders of the USA |
| 23,836 | 50 Rivers on a World Map |
| 22,437 | Famous Lakes Quiz |
| 21,627 | Rivers on Borders |
| 21,613 | Countries with the Most Lakes Over 100 Km² |
| 21,599 | Rivers by City Quiz |
| 21,421 | Rivers in History |
| 21,407 | The Five Oceans Map Quiz |
| 20,617 | Largest Lakes in the United States on a Map |
| 20,618 | Indian Ocean General Knowledge |
| 19,657 | Texas Rivers Map Quiz |
| 19,498 | Atlantic Ocean General Knowledge |
| 19,099 | U.S. State Capitals Closest to the Great Lakes |
| 17,648 | Bodies of Water by Satellite Image #2 |
| 17,044 | Name the Sea from a Clue |
| 16,888 | Countries Bordering the Four Color Seas |
| 16,865 | South American Physical Geography |
| 16,575 | U.S. States Bordering the Great Lakes |
| 16,217 | U.S. State Capitals Closest to the Mississippi River |
| 15,458 | Countries by Coastline Per Capita |
| 14,646 | Largest Rivers by Discharge |
| 14,362 | Human Biology Multiple Choice Quiz #2 |
| 13,822 | City to River #2 - Difficult |
| 13,351 | Lakes in the United States Quiz |
| 12,779 | Longest Rivers in the UK |
| 11,650 | Oceania Physical Geography |
| 9,119 | Human Biology Multiple Choice Quiz #1 |
| 8,704 | Geologic Time Scale |
| 6,065 | Countries with the Longest Coastline Bordering Each Other |
| 5,994 | Seas of the World - Map Quiz |
| 5,866 | 100 Longest Rivers in North America - with a Map |
| 5,260 | Straits on the World Map |
| 5,156 | Great Lakes - Map Quiz |
| 4,757 | Ultimate Rivers of the UK (with map) |
| 4,482 | Five Countries with the Shortest Coastline by Continent |
| 4,380 | 25 Largest Bodies of Water |
| 4,201 | Terrestrial Biomes - Map Quiz |
| 4,091 | Baltic Sea Countries with an Empty Map |
| 3,899 | European Bodies of Water (with Map!) |
| 3,679 | Oregon Rivers - Map Quiz |
| 3,660 | Largest River Basins by Area on a Map |
| 3,633 | US States along the coastline and border |
| 3,628 | Major Rivers of the World - Source US Dept of Commerce, NOAA |
| 3,545 | Trace the coast of the world (Hard(no map)) |
| 3,474 | Trace the Coast of Europe by Guessing the Biggest Cities |
| 3,152 | Countries Closest to the Red Sea |
| 3,007 | German Rivers on a Map |
| 2,824 | Countries with a Longer Coastline than Their Neighbors |
| 2,691 | 50 Longest Rivers in the World |
| 2,679 | Peninsulas A-Z |
| 2,654 | World's Longest Rivers |
| 2,474 | Biggest countries with the smallest coastline |
| 2,397 | 100 Longest Rivers in South America - with a Map |
| 2,394 | River Deltas on the Map |
| 2,296 | 100 Longest Rivers in Africa - with a Map |
| 2,280 | 100 Biggest Natural Lakes in Europe with a Map |
| 2,223 | Five Longest Rivers by Continent |
| 2,215 | Longest U.S. Rivers on a Map - Easy |
| 2,212 | Name a Valid Country on Each River |
| 2,205 | 100 Longest Rivers in Asia - with a Map |
| 2,164 | UK Cities, Towns & their Rivers (with map) |
| 2,109 | Flags of Countries That Border the North Sea |
| 2,080 | Rivers in the Map of Europe |
| 2,057 | Biology General Knowledge |
| 2,045 | Countries that Touch the Most Seas |
| 2,040 | World's Dirtiest Rivers |
| 2,037 | Geologic Eons, Eras and Periods |
| 2,030 | Landlocked Countries Whose Only Borders are with Countries With Coastlines |
| 2,026 | Longest rivers in Poland |
| 1,958 | Longest Rivers in Countries |
| 1,947 | Largest Deserts |
| 1,904 | Countries Bordering the Aegean Sea - Map Quiz |
| 1,887 | Rivers of Great Britain |
| 1,858 | Famous Lakes on a World Map |
| 1,861 | 100 Longest Rivers in the World - with a Map |
| 1,796 | Danube River Basin Countries on a Map |
| 1,788 | Seas on the Map of Europe |
| 1,788 | Sequential US Rivers and Cities |
| 1,774 | Countries with shortest coastline |
| 1,764 | 50 Largest Lakes in the World Quiz |
| 1,736 | Countries with Two or More Coastlines |
| 1,695 | Name a Valid River |
| 1,686 | Rivers by Country |
| 1,679 | Countries with the longest Total Borders and Coastline |
| 1,594 | Countries with Longest Maximum Distances to the Ocean |
| 1,547 | Countries with multiple coastlines |
| 1,481 | Countries with the Most Volcanoes |
| 1,481 | Countries Bordering the Indian Ocean Empty Map Quiz |
| 1,465 | World Rivers Map Quiz |
| 1,461 | Cross the River |
| 1,423 | Mainland Countries with the Shortest Coastlines |
| 1,399 | Rivers of Russia |
| 1,319 | Three Real and One Fake - Friends |
| 1,304 | Countries with Highest Coast-to-Land Border Ratio |
| 1,295 | Countries with the most long rivers |
| 1,287 | Mississippi Basin Rivers on a Map - Extreme |
| 1,289 | 100 Seas of the World by Bordering Sea in 30 seconds |
| 1,280 | Groups of Countries By Bordering Sea #1 |
| 1,273 | US States with Shortest Maximum Distances to the Ocean |
| 1,264 | All Mediterranean seas |
| 1,263 | Countries with less than 100km of Coastline |
| 1,251 | Seas of the World |
| 1,247 | Biggest World Cities on Lakes |
| 1,245 | Top landforms by starting letter: Mountains, Rivers, Lakes, Islands |
| 1,241 | Fill the world map by naming rivers |
| 1,233 | Multiple Capitals on Rivers |
| 1,221 | They’re Rocks - Sudden Death |
| 1,209 | Sequential Cities in the Nile River Basin |
| 1,203 | 100 Longest Rivers in Oceania - with a Map |
| 1,181 | Small Countries with the Most Coastline - with Exceptions |
| 1,123 | Countries without coastline |
| 1,122 | Croatian rivers |
| 1,121 | Mississippi-Missouri Basin States and Provinces |
| 1,110 | Biology General Knowledge #3 |
| 1,107 | Countries by River |
| 1,091 | 40 Lakes on the World Map |
