| Island Countries | 0 | - | 4.99 | 709,197 |
| Independence from Whom | 0 | - | 4.99 | 211,032 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,493 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,681 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,542 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,286 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,747 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,424 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,257 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,530 |
| Countries by Founding Story | 0 | - | 4.95 | 76,953 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,515 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,148 |
| Cities by Former Name | 0 | - | 4.84 | 91,329 |
| Recently Independent Countries | 0 | - | 4.98 | 158,501 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,317 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 194,383 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 150,076 |
| Countries by Former Name | 0 | - | 4.99 | 124,779 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 144,008 |
| Historical City to Country | 0 | - | 4.84 | 78,369 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,737 |
| Boundary Waters | 0 | - | 4.92 | 88,310 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,028 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,754 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,966 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,223 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,146 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,172 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,416 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,316 |
| Countries of the World in 1444 | 0 | - | 4.98 | 59,986 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,198 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 52,928 |
| Former Flags | 0 | - | 4.97 | 107,315 |
| Most Populous Islands | 0 | - | 4.80 | 122,688 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,259 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,480 |
| Ancient City to Country | 0 | - | 4.70 | 107,848 |
| City-States | 0 | - | 4.53 | 37,202 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,599 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,057 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,350 |
| Countries by Independence Day | 0 | - | 4.61 | 52,695 |
| Former Countries by Capital | 0 | - | 4.45 | 127,299 |
| Former Countries | 0 | - | 4.75 | 133,048 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,232,498 |
| Landlocked Countries | 0 | - | 4.99 | 417,490 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,515 |
| Battle to Country | 0 | - | 4.91 | 53,019 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 564,277 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 45,487 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,605 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,679 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 75,971 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,102 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,586 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,473 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,438 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,472 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,446 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,685 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,076 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,094 |
| City Where It Happened #1 | 0 | - | 4.24 | 106,251 |
| World Capitals Quiz | 0 | - | 5.00 | 5,055,814 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,319 |
| Himalayan Countries | 0 | - | 4.95 | 136,837 |
| Andean Countries | 0 | - | 4.95 | 83,645 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,898 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,221 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,569 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,163 |
| Danube Countries | 0 | - | 4.97 | 71,511 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,343 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,925 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,364 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,397 |
| European Landlocked Countries | 0 | - | 4.99 | 146,224 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,918 |
| Countries with the Most Species | 0 | - | 4.99 | 102,541 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,751 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,045 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,368 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,542 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,215 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,874 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,261 |
| Countries in the Alps | 0 | - | 4.86 | 117,468 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,992 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,089 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,326 |
| Guerrillas by Country | 0 | - | 4.40 | 41,051 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,833 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,929 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,343 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,107 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,063 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,877 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,155 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,416 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,413 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,257 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,574 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,811 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,078 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,085 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,901 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,959 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,487 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,340 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,545 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,846 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,888 |
| Largest Countries By Category | 0 | - | 4.97 | 157,403 |
| Countries by Countries | 0 | - | 4.96 | 62,699 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,994 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,114 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,434 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,004 |
| Merged Country Flags | 0 | - | 4.88 | 106,442 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,046 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,503 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,183 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,747,397 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,226 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,696 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,105 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,358 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,653 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,749 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,968 |
| Longest International Borders | 0 | - | 4.99 | 264,449 |
| Countries with Three Borders | 0 | - | 4.96 | 36,388 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,835 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,929 |
| Famous Immigrants and Exiles | 0 | - | 4.45 | 23,218 |
| Roman Provinces on a Map | 0 | - | 4.54 | 36,797 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,458 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,021 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,974 |
| Demonym of Every Country | 0 | - | 4.91 | 59,010 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,273 |
| Islands by Picture | 0 | - | 4.29 | 106,534 |
| Islands by Wikipedia Descriptions | 0 | - | 4.54 | 37,312 |
| Name a Valid Island | 0 | - | 4.78 | 68,720 |
| Island Superlatives | 0 | - | 4.57 | 34,553 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,265 |
| WWII Geography | 0 | - | 4.81 | 119,999 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,609 |
| Biggest First-Level Subdivisions by Area | 0 | - | 4.89 | 26,774 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,278 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,781 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,579,981 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,203 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,365 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.74 | 45,368 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.77 | 33,231 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,044,482 |
| Northernmost Countries | 0 | - | 4.99 | 359,850 |
| Countries of South America | 0 | - | 5.00 | 920,934 |
| Countries of Oceania | 0 | - | 5.00 | 1,048,693 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,861,877 |
| "Land" Countries | 0 | - | 4.98 | 335,357 |
| Top World Languages | 0 | - | 4.92 | 818,601 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,027 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,266 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,963 |
| Islands A-Z | 0 | - | 4.46 | 117,264 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,295 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,993 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,568 |
| Countries with Megacities | 0 | - | 4.99 | 249,563 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,414 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,721 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,760 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,685 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,108 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,547 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,629 |
| Find the City #1 | 0 | - | 4.97 | 42,558 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,729 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,129 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,153 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,739 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,346 |
| Countries by Capital City | 0 | - | 5.00 | 67,667 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,841 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,342 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,811 |
| Moved Capital Cities | 0 | - | 4.96 | 73,953 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,268 |
| Countries by Official Language | 0 | - | 4.95 | 194,357 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,169 |
| Countries in their Native Language | 0 | - | 4.99 | 197,927 |
| Subdivisions by Country | 0 | - | 4.86 | 50,237 |
| Countries in World War I | 0 | - | 4.88 | 227,621 |
| Megadiverse Countries | 0 | - | 4.96 | 134,658 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,481 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,077 |
