| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,808 |
| World's Longest Rivers | 0 | - | 4.88 | 121,896 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 80,928 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,893 |
| North Sea Countries | 0 | - | 4.92 | 86,856 |
| Black Sea Countries | 0 | - | 4.87 | 60,487 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,196 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,301 |
| Countries With No Rivers | 0 | - | 4.96 | 76,263 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,071 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,579 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 87,247 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 55,940 |
| Seas on the World Map | 0 | - | 4.96 | 134,840 |
| Seas of the World | 0 | - | 5.00 | 155,724 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,182 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,609 |
| Countries with Fjords | 0 | - | 4.93 | 100,553 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,088 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,463 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,501 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,323 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,180 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,433 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,924 |
| Famous Lakes Quiz | 0 | - | 4.52 | 23,969 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 162,911 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,549 |
| Famous Rivers | 0 | - | 4.74 | 104,730 |
| City to River #1 | 0 | - | 4.59 | 35,796 |
| Most Populous River Basins | 0 | - | 4.55 | 39,615 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,226 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 412,028 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,606 |
| Biggest City by River | 0 | - | 4.41 | 52,766 |
| Megadiverse Countries | 0 | - | 4.96 | 134,598 |
| Gulfs and Bays on the World Map | 0 | - | 4.61 | 30,133 |
| Rivers by City | 0 | - | 4.38 | 31,676 |
| City to River #2 - Difficult | 0 | - | 4.64 | 25,923 |
| Largest Rivers by Discharge | 0 | - | 4.53 | 15,969 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,421 |
| Geologic Time Scale | 0 | - | 4.46 | 9,983 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 96,490 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,776 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,201 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,187 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,540 |
| Landforms by Description Quiz | 0 | - | 4.33 | 25,998 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,495 |
| Rivers on Borders | 0 | - | 4.02 | 22,665 |
| Boundary Waters | 0 | - | 4.92 | 88,284 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,006 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,707 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,915 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,187 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,208,520 |
| Landlocked Countries | 0 | - | 4.99 | 417,228 |
| World Capitals Quiz | 0 | - | 5.00 | 5,053,918 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,744,961 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,422 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,433 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,376 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,641 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,502 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,579,231 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,075 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,187 |
| Island Countries | 0 | - | 4.99 | 709,071 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,204 |
| Himalayan Countries | 0 | - | 4.95 | 136,745 |
| Andean Countries | 0 | - | 4.95 | 83,596 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,858 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,152 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,522 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,121 |
| Danube Countries | 0 | - | 4.97 | 71,486 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,294 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,895 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,291 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,284 |
| European Landlocked Countries | 0 | - | 4.99 | 146,190 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,869 |
| Countries with the Most Species | 0 | - | 4.99 | 102,361 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,998 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,354 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,535 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,203 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,854 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,233 |
| Countries in the Alps | 0 | - | 4.86 | 117,425 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,962 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,034 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,302 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,800 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,896 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,316 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,067 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,040 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,859 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,390 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,392 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,236 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,786 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,048 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,056 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,832 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,937 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,467 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,302 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,325 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,736 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,871 |
| Largest Countries By Category | 0 | - | 4.97 | 157,353 |
| Countries by Countries | 0 | - | 4.96 | 62,662 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,949 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,107 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,422 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,941 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,452 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,140 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,044,071 |
| Northernmost Countries | 0 | - | 4.99 | 359,697 |
| Countries of South America | 0 | - | 5.00 | 920,479 |
| Countries of Oceania | 0 | - | 5.00 | 1,048,034 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,860,703 |
| "Land" Countries | 0 | - | 4.98 | 335,120 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 115,249 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,176 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,680 |
| Top World Languages | 0 | - | 4.92 | 818,171 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,036 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,341 |
| Rivers A-Z | 0 | - | 4.35 | 32,742 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,603 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,944 |
| Longest International Borders | 0 | - | 4.99 | 264,398 |
| Countries with Three Borders | 0 | - | 4.96 | 36,376 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,819 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,904 |
| Demonym of Every Country | 0 | - | 4.91 | 58,982 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,283 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,950 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,477 |
| Countries with Megacities | 0 | - | 4.99 | 249,396 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,327 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,656 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,652 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,633 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,565 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,689 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,098 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,129 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,612 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,280 |
| Countries by Capital City | 0 | - | 5.00 | 67,606 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,814 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,311 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,765 |
| Moved Capital Cities | 0 | - | 4.96 | 73,927 |
| Countries by Official Language | 0 | - | 4.95 | 194,222 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,036 |
| Countries in their Native Language | 0 | - | 4.99 | 197,821 |
| Independence from Whom | 0 | - | 4.99 | 210,962 |
| Subdivisions by Country | 0 | - | 4.86 | 50,221 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,438 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,984 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,105 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,660 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,961 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,511 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,270 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,691 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,594 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,404 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,819 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,462 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,613 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,712 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,682 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,890 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,246 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,371,926 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,729 |
| World Map Quiz | 0 | - | 4.81 | 64,216 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,691 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,768 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.85 | 63,579 |
| Countries by Founding Story | 0 | - | 4.95 | 76,931 |
| Countries by Road Signs | 0 | - | 4.98 | 53,480 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,178 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,736 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,469 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,872 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,341 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,519 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,682 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,176 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,072 |
| Widest Countries East to West | 0 | - | 4.92 | 129,216 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,340 |
