| World's Longest Rivers on a Map | 0 | - | 4.92 | 77,029 |
| Rivers of Europe Quiz | 0 | - | 4.90 | 47,444 |
| Seas on the World Map | 0 | - | 4.98 | 120,855 |
| Seas of the World | 0 | - | 5.00 | 125,601 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 46,497 |
| Largest Lakes in the United States on a Map | 0 | - | 4.89 | 21,422 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 30,575 |
| World's Longest Rivers | 0 | - | 4.88 | 108,323 |
| Tectonic Plates Map Quiz | 0 | - | 4.97 | 55,633 |
| Countries That Touch the Baltic Sea | 0 | - | 4.99 | 111,184 |
| North Sea Countries | 0 | - | 4.92 | 79,887 |
| Black Sea Countries | 0 | - | 4.88 | 57,099 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 60,936 |
| Caspian Sea Countries | 0 | - | 4.91 | 58,517 |
| Countries With No Rivers | 0 | - | 4.96 | 68,811 |
| Countries with the Shortest Coastlines | 0 | - | 4.82 | 54,349 |
| Name a Valid Country for Each River | 0 | - | 4.92 | 33,330 |
| Natural Features of Countries #1 | 0 | - | 4.85 | 77,208 |
| Countries with Fjords | 0 | - | 4.92 | 77,765 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.98 | 104,592 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 67,634 |
| American Countries With No Atlantic Coastline | 0 | - | 4.90 | 72,658 |
| Countries Bordering the Four Color Seas | 0 | - | 4.90 | 18,254 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 136,883 |
| Biggest Lakes in the World | 0 | - | 4.64 | 82,989 |
| Great Lakes Quiz | 0 | - | 4.76 | 45,949 |
| Famous Rivers | 0 | - | 4.76 | 98,096 |
| Most Populous River Basins | 0 | - | 4.66 | 37,402 |
| Rivers that Flow through the Most Countries | 0 | - | 4.52 | 37,277 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 388,333 |
| Biggest City by River | 0 | - | 4.42 | 50,752 |
| Cities on a Map of the Great Lakes | 0 | - | 4.42 | 40,801 |
| Megadiverse Countries | 0 | - | 4.96 | 124,812 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,360,479 |
| Famous Lakes Quiz | 0 | - | 4.48 | 22,788 |
| City to River #1 | 0 | - | 4.53 | 24,663 |
| City to River #2 - Difficult | 0 | - | 4.51 | 14,071 |
| Largest Rivers by Discharge | 0 | - | 4.51 | 14,812 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 34,667 |
| Rivers and Lakes whose Names are Countries | 0 | - | 4.96 | 40,453 |
| Landforms Quiz | 0 | - | 4.34 | 74,427 |
| Geologic Time Scale | 0 | - | 4.46 | 8,949 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 367,719 |
| World Capitals by Map | 0 | - | 5.00 | 238,455 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 49,953 |
| Countries of the World in 1900 | 0 | - | 4.88 | 65,112 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 168,889 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 126,381 |
| African East Coast | 0 | - | 4.97 | 83,407 |
| Seas that Touch the Most Countries | 0 | - | 4.72 | 89,234 |
| Megacities on a World Map | 0 | - | 4.98 | 219,235 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 62,807 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 83,137 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 69,848 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 78,833 |
| Pixelated World Map | 0 | - | 5.00 | 127,028 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 86,138 |
| Countries of the World in 1444 | 0 | - | 4.98 | 49,318 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 68,735 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 113,741 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.96 | 35,668 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 43,251 |
| Atlantic Ocean General Knowledge | 0 | - | 4.67 | 19,891 |
| Indian Ocean General Knowledge | 0 | - | 4.50 | 21,021 |
| Bodies of Water by Cities | 0 | - | 4.79 | 26,587 |
| Rivers by City Quiz | 0 | - | 4.35 | 21,739 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 67,647 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 90,285 |
| Geography by Letter on the World Map - C | 0 | - | 4.84 | 101,358 |
| Top Asian Languages on a Map | 0 | - | 4.93 | 59,993 |
| Top African Languages on a Map | 0 | - | 4.91 | 51,514 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 283,350 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 221,350 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 208,966 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 272,715 |
| Landforms by Description Quiz | 0 | - | 4.37 | 25,548 |
| Megacities on an Empty Map | 0 | - | 4.96 | 86,893 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.96 | 27,196 |
| Capital Cities by Body of Water | 0 | - | 4.87 | 53,042 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 84,489 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 60,710 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.94 | 19,614 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 46,263 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 25,289 |
| All Counties of the United States by Proximity | 0 | - | 4.98 | 261,013 |
| Rivers on Borders | 0 | - | 4.06 | 21,864 |
| Pixelated Africa Map | 0 | - | 4.98 | 87,158 |
| Pixelated Asia Map | 0 | - | 4.89 | 62,588 |
| Pixelated Europe Map | 0 | - | 4.90 | 108,587 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 98,028 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 132,631 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 61,787 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.93 | 48,191 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 57,872 |
| Boundary Waters | 0 | - | 4.93 | 80,498 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 73,904 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.92 | 43,558 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 50,555 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 59,152 |
| Every U.S. Metro Area on a Map | 0 | - | 4.96 | 61,995 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 79,101 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 91,530 |
| Empty World Map without 20 Random Countries | 0 | - | 4.93 | 98,706 |
| Random Country Dots on an Empty World Map | 0 | - | 4.84 | 47,353 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.89 | 38,999 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 92,519 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 93,237 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,502,584 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 317,947 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 338,569 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 35,616 |
| Countries and States in the Caucasus | 0 | - | 4.45 | 45,748 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.82 | 29,825 |
| World Capitals Quiz | 0 | - | 5.00 | 4,462,871 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,023,241 |
| Pixelated United States Map | 0 | - | 4.91 | 81,377 |
| World Geography on a Map #1 | 0 | - | 4.93 | 66,887 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 82,965 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 136,274 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 108,914 |
| European Cities by Map #2 | 0 | - | 4.47 | 44,314 |
| European Cities by Map #1 | 0 | - | 4.59 | 51,619 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 38,837 |
| Mediterranean Cities by Map | 0 | - | 4.47 | 49,028 |
| Cities in Squares on a Map - Europe | 0 | - | 4.76 | 45,347 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,370,376 |
| World Capitals on an Empty Map | 0 | - | 4.55 | 46,446 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 338,772 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 352,072 |
| Countries on the Equator | 0 | - | 4.82 | 132,804 |
| Members of the Arab League | 0 | - | 4.82 | 59,425 |
| Island Countries Quiz | 0 | - | 4.99 | 639,073 |
| Sahara Desert Countries | 0 | - | 4.97 | 125,254 |
| Himalayan Countries | 0 | - | 4.95 | 102,600 |
| Andean Countries | 0 | - | 4.90 | 57,011 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 57,855 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,612 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 101,937 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,577 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,777 |
| Danube Countries | 0 | - | 4.97 | 56,373 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,423 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,616 |
| Countries with the Best Passports | 0 | - | 4.87 | 70,406 |
| Countries with the Worst Passports | 0 | - | 4.87 | 48,824 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,441 |
| European Landlocked Countries | 0 | - | 4.99 | 114,861 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,805 |
| Countries with the Most Species | 0 | - | 4.99 | 89,097 |
| Countries 197 to 205 | 0 | - | 4.88 | 55,870 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,456 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,828 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,794 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,144 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 58,474 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 48,720 |
| Countries in the Alps | 0 | - | 4.82 | 101,888 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 84,706 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 85,887 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,155 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,773 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,410 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,103 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,092 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,785 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,084 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,202 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 68,944 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,345 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,429 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,017 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,535 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,017 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 96,715 |
| Countries with the Most Climate Zones | 0 | - | 4.97 | 60,981 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 52,989 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 193,035 |
| World Countries - Blind Typing | 0 | - | 5.00 | 71,514 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 41,987 |
| Largest Countries By Category | 0 | - | 4.96 | 143,971 |
| Countries by Countries | 0 | - | 4.96 | 54,134 |
| Country Flags with the Most White | 0 | - | 4.90 | 107,756 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,400 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 44,456 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.80 | 48,976 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.75 | 39,475 |
| All Countries by Population With a Map | 0 | - | 4.98 | 60,776 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 76,044 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 77,425 |
| Biggest Countries by Area | 0 | - | 5.00 | 925,487 |
| Northernmost Countries | 0 | - | 4.99 | 325,460 |
| Countries of South America | 0 | - | 5.00 | 784,418 |
| Countries of Oceania | 0 | - | 5.00 | 883,017 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,112,775 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,553,573 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 75,370 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 133,446 |
| Western Europe Map Quiz | 0 | - | 4.86 | 88,870 |
| Top World Languages | 0 | - | 4.91 | 699,697 |
| Tourist Attraction by Negative Review | 0 | - | 4.90 | 59,217 |
