| Name a Valid European Country #1 | 0 | - | 4.99 | 256,323 |
| Name a Valid Asian Country | 0 | - | 4.98 | 119,941 |
| Name a Valid African Country | 0 | - | 4.98 | 152,823 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,045 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 68,141 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,584,002 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,574 |
| Independence from Whom | 0 | - | 4.99 | 209,497 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,596 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,942 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,603 |
| Countries by Founding Story | 0 | - | 4.95 | 76,453 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,843 |
| Recently Independent Countries | 0 | - | 4.98 | 157,873 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,331 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 192,919 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,605 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,863 |
| Countries by Former Name | 0 | - | 4.99 | 124,167 |
| Historical City to Country | 0 | - | 4.84 | 78,086 |
| Name a Valid Country A-Z | 0 | - | 4.97 | 119,915 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,858,858 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,092 |
| Countries in World War I | 0 | - | 4.88 | 226,269 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,250 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,674 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,069 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,171 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,186 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,513 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,490 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,726 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,115 |
| Countries Settled by Vikings | 0 | - | 4.93 | 120,759 |
| Countries by Emojis | 0 | - | 4.99 | 235,848 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,030 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,242 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,189 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,615 |
| Countries of the World in 1444 | 0 | - | 4.98 | 59,429 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 56,816 |
| Landlocked Countries | 0 | - | 4.99 | 412,945 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 550,837 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,710,502 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,063 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,476 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,254 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,270 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,290 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,773 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,536 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,569 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 77,925 |
| Battle to Country | 0 | - | 4.91 | 52,444 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,542 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,020 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,789 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,304 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 69,996 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,246 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,923 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,567 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 90,984 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,451 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,125 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,364 |
| Random World Capitals on a Map | 0 | - | 4.93 | 132,996 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,400 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,862 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,038 |
| Island Countries | 0 | - | 4.99 | 707,274 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,280 |
| Himalayan Countries | 0 | - | 4.95 | 135,084 |
| Andean Countries | 0 | - | 4.94 | 82,680 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,095 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,013 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,779 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,489 |
| Danube Countries | 0 | - | 4.97 | 71,011 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,654 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,466 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,307 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,226 |
| European Landlocked Countries | 0 | - | 4.99 | 145,678 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,069 |
| Countries with the Most Species | 0 | - | 4.99 | 95,196 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,217 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,178 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,335 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,913 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,522 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,878 |
| Countries in the Alps | 0 | - | 4.87 | 116,701 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,486 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,101 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,949 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,335 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,073 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,940 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,480 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,693 |
| Largest Country by Body of Water | 0 | - | 4.95 | 56,173 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,977 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,168 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,001 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,373 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,677 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,683 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,682 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,896 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,575 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,207 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,686 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,882 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,403 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,547 |
| Largest Countries By Category | 0 | - | 4.97 | 156,636 |
| Countries by Countries | 0 | - | 4.96 | 62,180 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,304 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,735 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 129,519 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,241 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,499 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,936 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,307 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,419 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,018 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,667 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,470 |
| Northernmost Countries | 0 | - | 4.99 | 357,302 |
| Inventions by Country #1 | 0 | - | 4.46 | 54,870 |
| Countries of South America | 0 | - | 5.00 | 913,543 |
| Countries of Oceania | 0 | - | 5.00 | 1,038,817 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,845,478 |
| "Land" Countries | 0 | - | 4.98 | 333,443 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,722 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,118 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 273,990 |
| Countries by Independence Day | 0 | - | 4.56 | 52,586 |
| Countries in World War II | 0 | - | 4.53 | 903,513 |
| Former Countries by Capital | 0 | - | 4.45 | 126,971 |
| Former Countries | 0 | - | 4.75 | 132,594 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,204 |
| Political Movements by Country | 0 | - | 4.46 | 72,230 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,609 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,230 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,669 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,166 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,887 |
| Countries with Megacities | 0 | - | 4.99 | 246,252 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,806 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,746 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,268 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,683 |
| Countries by Official Language | 0 | - | 4.95 | 192,604 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,904 |
| Countries in their Native Language | 0 | - | 4.99 | 196,491 |
| Subdivisions by Country | 0 | - | 4.86 | 50,034 |
| Megadiverse Countries | 0 | - | 4.97 | 133,837 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,660 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,879 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,377 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,838 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,556 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,068 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,184 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,718 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,404 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,370 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,441 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,453 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,611 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,985 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,374 |
| World Map Quiz | 0 | - | 4.81 | 63,377 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,265 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,230 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 63,021 |
| Countries by Sports in 60 Seconds | 0 | - | 4.91 | 141,195 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 42,638 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,415 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 88,332 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,140 |
| Countries by Road Signs | 0 | - | 4.98 | 52,993 |
| Countries That Do Not Border | 0 | - | 4.99 | 59,135 |
| Former Country Flag-Shape Picture Quiz | 0 | - | 4.97 | 72,646 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,175 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,887 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,863 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,527 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,781 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,976 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,180 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,885 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,267 |
| Widest Countries East to West | 0 | - | 4.92 | 128,533 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,193 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,093 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,524 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,629 |
