| Tectonic Plates Map Quiz | 0 | - | 4.99 | 81,991 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,014 |
| Countries with Fjords | 0 | - | 4.94 | 101,247 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,862 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,668 |
| World's Longest Rivers | 0 | - | 4.90 | 137,474 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 165,167 |
| Megadiverse Countries | 0 | - | 4.96 | 135,210 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,145 |
| North Sea Countries | 0 | - | 4.92 | 87,650 |
| Black Sea Countries | 0 | - | 4.87 | 60,712 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,542 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,641 |
| Countries With No Rivers | 0 | - | 4.96 | 77,078 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,345 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,909 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,226 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,790 |
| Seas on the World Map | 0 | - | 4.96 | 135,865 |
| Seas of the World | 0 | - | 5.00 | 158,174 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,606 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,881 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,947 |
| Geologic Time Scale | 0 | - | 4.41 | 10,059 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,127 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,743 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,228 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 97,071 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,846 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,302 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,282 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,708 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,876 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,612 |
| Famous Rivers | 0 | - | 4.75 | 105,199 |
| City to River #1 | 0 | - | 4.59 | 35,893 |
| Most Populous River Basins | 0 | - | 4.55 | 39,802 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,449 |
| Boundary Waters | 0 | - | 4.92 | 88,717 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,372 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,586 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,196 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,861 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,286 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,033 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 413,942 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,705 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,380 |
| Famous Lakes Quiz | 0 | - | 4.52 | 24,066 |
| Rivers by City | 0 | - | 4.38 | 31,766 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,194 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,076 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,797,839 |
| Landlocked Countries | 0 | - | 4.99 | 424,725 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,869 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,307 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,837 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,868 |
| Biggest City by River | 0 | - | 4.38 | 52,944 |
| World Capitals Quiz | 0 | - | 5.00 | 5,100,219 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,728 |
| Himalayan Countries | 0 | - | 4.93 | 139,844 |
| Andean Countries | 0 | - | 4.94 | 85,218 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,393 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,702 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,959 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,264 |
| Danube Countries | 0 | - | 4.97 | 72,291 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,439 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,727 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,898 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,396 |
| European Landlocked Countries | 0 | - | 4.99 | 147,479 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,121 |
| Countries with the Most Species | 0 | - | 4.99 | 103,503 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,269 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,718 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,829 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,764 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,497 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,920 |
| Countries in the Alps | 0 | - | 4.87 | 118,622 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,384 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,642 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,890 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,916 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,840 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,151 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,279 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,786 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,353 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,084 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,803 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,674 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,466 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,704 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,793 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,565 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,535 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,597 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,515 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,278 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,895 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,443 |
| Largest Countries By Category | 0 | - | 4.97 | 158,689 |
| Countries by Countries | 0 | - | 4.96 | 63,532 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,133 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,368 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,645 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,634 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,293 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,002 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,797,653 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,369 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,952 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,731 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,596 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,812 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,497 |
| Longest International Borders | 0 | - | 4.99 | 265,667 |
| Countries with Three Borders | 0 | - | 4.96 | 36,731 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,300 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,446 |
| Demonym of Every Country | 0 | - | 4.90 | 61,343 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,377 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,976 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,623 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,609 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,597,245 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,375 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,090 |
| Island Countries | 0 | - | 4.99 | 712,153 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,053,521 |
| Northernmost Countries | 0 | - | 4.99 | 363,508 |
| Countries of South America | 0 | - | 5.00 | 931,224 |
| Countries of Oceania | 0 | - | 5.00 | 1,061,547 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,886,030 |
| "Land" Countries | 0 | - | 4.98 | 338,113 |
| Top World Languages | 0 | - | 4.92 | 828,464 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,694 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,897 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,870 |
| Countries with Megacities | 0 | - | 4.99 | 266,543 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,578 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,958 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,871 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,063 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,126 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,207 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,875 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,078 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,065 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,963 |
| Countries by Capital City | 0 | - | 5.00 | 69,215 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,749 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,125 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,719 |
| Moved Capital Cities | 0 | - | 4.96 | 74,582 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,773 |
| Countries by Official Language | 0 | - | 4.95 | 195,814 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,365 |
| Countries in their Native Language | 0 | - | 4.99 | 199,597 |
| Independence from Whom | 0 | - | 4.99 | 212,830 |
| Subdivisions by Country | 0 | - | 4.87 | 50,575 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,272 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,796 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,490 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,394 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,195 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,470 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,779 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,969 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,519 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,783 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,229 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,287 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,324 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,385 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,111 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,526 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,645 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,391,189 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,090 |
| World Map Quiz | 0 | - | 4.81 | 65,515 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,732 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,607 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,474 |
| Countries by Founding Story | 0 | - | 4.95 | 77,703 |
| Countries by Road Signs | 0 | - | 4.98 | 54,275 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,039 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,975 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,455 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,297 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,310 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,432 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,630 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,630 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,313 |
| Widest Countries East to West | 0 | - | 4.92 | 130,349 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,571 |
