| Name a Valid European Country #1 | 0 | - | 4.99 | 261,448 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,102 |
| Name a Valid African Country | 0 | - | 4.98 | 154,188 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,845 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,835 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,627,368 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,419 |
| Independence from Whom | 0 | - | 4.99 | 211,881 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,575 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,547 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,342 |
| Countries by Founding Story | 0 | - | 4.95 | 77,294 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,559 |
| Recently Independent Countries | 0 | - | 4.98 | 159,358 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,053 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,479 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,071 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,174 |
| Countries by Former Name | 0 | - | 4.99 | 125,212 |
| Historical City to Country | 0 | - | 4.84 | 78,585 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 121,903 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,512,625 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,529 |
| Countries in World War I | 0 | - | 4.88 | 228,281 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,171 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,490 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,741 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,386 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,248 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,813 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,286 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,588 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,317 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,683 |
| Countries by Emojis | 0 | - | 4.99 | 240,003 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,007 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,537 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,391 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,870 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,331 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,499 |
| Landlocked Countries | 0 | - | 4.99 | 421,134 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 574,236 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,772,308 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,047 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,816 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,396 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,187 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,804 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,525 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,795 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,270 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,960 |
| Battle to Country | 0 | - | 4.91 | 53,421 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,141 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 383,890 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,537 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 82,603 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,846 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,146 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,523 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,300 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,154 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,445 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,912 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,844 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,175 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,720 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,607 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,275 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,680 |
| Island Countries | 0 | - | 4.99 | 710,703 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,032 |
| Himalayan Countries | 0 | - | 4.95 | 138,347 |
| Andean Countries | 0 | - | 4.93 | 84,390 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,612 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,530 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,242 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,646 |
| Danube Countries | 0 | - | 4.97 | 71,910 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,888 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,314 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,125 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,583 |
| European Landlocked Countries | 0 | - | 4.99 | 147,041 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,475 |
| Countries with the Most Species | 0 | - | 4.99 | 103,155 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,629 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,537 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,680 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,478 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,157 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,573 |
| Countries in the Alps | 0 | - | 4.87 | 118,057 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,456 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,859 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,588 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,514 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,395 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,879 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,557 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,415 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,120 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,761 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,589 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,456 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,129 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,114 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,395 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,429 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,688 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,227 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,732 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,910 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,506 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,843 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,153 |
| Largest Countries By Category | 0 | - | 4.97 | 158,039 |
| Countries by Countries | 0 | - | 4.96 | 63,094 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,381,412 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,559 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 130,809 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,562 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,265 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,244 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,537 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,312 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,891 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,580 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,725 |
| Northernmost Countries | 0 | - | 4.99 | 361,559 |
| Inventions by Country #1 | 0 | - | 4.47 | 55,063 |
| Countries of South America | 0 | - | 5.00 | 926,008 |
| Countries of Oceania | 0 | - | 5.00 | 1,055,252 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,874,275 |
| "Land" Countries | 0 | - | 4.98 | 337,052 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,955 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,767 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,062 |
| Countries by Independence Day | 0 | - | 4.61 | 52,759 |
| Countries in World War II | 0 | - | 4.54 | 913,583 |
| Former Countries by Capital | 0 | - | 4.45 | 127,525 |
| Former Countries | 0 | - | 4.75 | 133,851 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,697 |
| Political Movements by Country | 0 | - | 4.46 | 72,573 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,327 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 279,559 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,778 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,617 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,665 |
| Countries with Megacities | 0 | - | 4.99 | 263,962 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,512 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,343 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,778 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,400 |
| Countries by Official Language | 0 | - | 4.95 | 195,066 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,145 |
| Countries in their Native Language | 0 | - | 4.99 | 198,673 |
| Subdivisions by Country | 0 | - | 4.86 | 50,387 |
| Megadiverse Countries | 0 | - | 4.96 | 134,939 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,929 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,298 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,877 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,077 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,003 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,980 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,599 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,053 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,500 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,828 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,140 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,914 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,300 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,445 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,918 |
| World Map Quiz | 0 | - | 4.81 | 64,971 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,776 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,266 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,025 |
| Countries by Sports in 60 Seconds | 0 | - | 4.92 | 145,644 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,293 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,896 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,362 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,982 |
| Countries by Road Signs | 0 | - | 4.98 | 53,898 |
| Countries That Do Not Border | 0 | - | 4.99 | 60,342 |
| Former Country Flag-Shape Picture Quiz | 0 | - | 4.98 | 89,718 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,919 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,173 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,902 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,973 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,809 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,929 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,227 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,394 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,506 |
| Widest Countries East to West | 0 | - | 4.92 | 129,567 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,432 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,273 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,088 |
