| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,798,626 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,256 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,086 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,249 |
| One Border Countries | 0 | - | 4.98 | 463,805 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,584,933 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,371 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 192,982 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,663 |
| Countries by Borders #1 | 0 | - | 5.00 | 193,439 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 310,225 |
| Longest Border by Country #1 | 0 | - | 4.99 | 145,107 |
| Largest Countries with No Borders | 0 | - | 4.97 | 219,251 |
| Countries with Two Borders | 0 | - | 4.99 | 138,697 |
| Countries by Borders #2 | 0 | - | 4.96 | 135,321 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 140,103 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 130,069 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 114,603 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.91 | 93,120 |
| Countries by Borders #3 | 0 | - | 4.98 | 97,434 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 75,516 |
| Bordering Countries Forming Words #2 | 0 | - | 4.96 | 32,544 |
| Longest Border by Country #2 | 0 | - | 4.95 | 120,349 |
| Longest Border by Country #3 | 0 | - | 4.99 | 78,954 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,873,149 |
| Landlocked Countries | 0 | - | 4.99 | 413,104 |
| Countries with the Most Borders | 0 | - | 4.97 | 385,271 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,711,779 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,100 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,206 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,804 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,320 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,503 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,358 |
| Himalayan Countries | 0 | - | 4.95 | 135,141 |
| Andean Countries | 0 | - | 4.94 | 82,719 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,140 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,056 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,807 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,508 |
| Danube Countries | 0 | - | 4.97 | 71,024 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,684 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,479 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,343 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,265 |
| European Landlocked Countries | 0 | - | 4.99 | 145,693 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,098 |
| Countries with the Most Species | 0 | - | 4.99 | 95,209 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,250 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,184 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,344 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,924 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,537 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,893 |
| Countries in the Alps | 0 | - | 4.87 | 116,734 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,501 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,136 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,964 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,357 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,091 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,951 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,503 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,708 |
| Largest Country by Body of Water | 0 | - | 4.96 | 56,773 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,001 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,178 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,009 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,395 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,699 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,697 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,941 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,586 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,215 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,715 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,968 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,453 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,560 |
| Largest Countries By Category | 0 | - | 4.97 | 156,665 |
| Countries by Countries | 0 | - | 4.96 | 62,196 |
| Pixelated World Map | 0 | - | 5.00 | 142,322 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,282 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,943 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,310 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,643 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 56,833 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,484 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,035 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,695 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,019 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 138,846 |
| Bordering Countries by HDI Difference | 0 | - | 4.91 | 51,631 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,281 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,923 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,206 |
| Island Countries | 0 | - | 4.99 | 707,367 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,716 |
| Northernmost Countries | 0 | - | 4.99 | 357,401 |
| Countries of South America | 0 | - | 5.00 | 913,817 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,183 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,846,198 |
| "Land" Countries | 0 | - | 4.98 | 333,488 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,880 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,733 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,313 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 68,154 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,623 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 86,350 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 107,151 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 86,131 |
| Random Countries by Borders | 0 | - | 4.99 | 81,605 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,929 |
| Countries with Megacities | 0 | - | 4.99 | 246,353 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,857 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,768 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,308 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,711 |
| Countries by Official Language | 0 | - | 4.95 | 192,641 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,957 |
| Countries in their Native Language | 0 | - | 4.99 | 196,518 |
| Independence from Whom | 0 | - | 4.99 | 209,542 |
| Subdivisions by Country | 0 | - | 4.86 | 50,040 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,628 |
| Megadiverse Countries | 0 | - | 4.97 | 133,845 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,690 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,892 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,385 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,845 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,576 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,955 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,631 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,191 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,726 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,443 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,381 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,452 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,467 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,632 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,996 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,411 |
| World Map Quiz | 0 | - | 4.81 | 63,405 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,358 |
| Countries by Founding Story | 0 | - | 4.95 | 76,470 |
| Countries by Road Signs | 0 | - | 4.98 | 53,031 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,213 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,916 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,881 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,572 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,801 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,995 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,200 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,897 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,282 |
| Widest Countries East to West | 0 | - | 4.92 | 128,547 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,198 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,127 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,534 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,641 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,545 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,971 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,037 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,557 |
| Countries with Double Letters | 0 | - | 4.97 | 93,267 |
| Countries that End in N | 0 | - | 4.94 | 156,331 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,543 |
| Countries with Six Letters | 0 | - | 4.93 | 210,241 |
| Countries with W | 0 | - | 4.97 | 158,147 |
| Countries with Z | 0 | - | 4.98 | 287,716 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,456 |
| Countries That End in U | 0 | - | 4.95 | 119,470 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,419 |
| Countries that End in O | 0 | - | 4.92 | 158,500 |
| Countries that End in R | 0 | - | 4.87 | 118,231 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,824 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,906 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,214 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,413 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,634 |
| Countries That End in Y | 0 | - | 4.90 | 185,170 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,223 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,585 |
| Countries that End in I | 0 | - | 4.94 | 134,343 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,067 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,158 |
| Countries That End in NIA | 0 | - | 4.92 | 108,948 |
| Countries That End in BIA | 0 | - | 4.92 | 147,641 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,003 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,428 |
| Countries That End in RIA | 0 | - | 4.93 | 126,035 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 109,943 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,050 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,469 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,848 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,285 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,886 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,055 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,583 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,430 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,781 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,046 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,727 |
