| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,316 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,398 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,283 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,125 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,127 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,193 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,193 |
| Countries in World War I | 0 | - | 4.88 | 226,669 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,472 |
| Battle to Country | 0 | - | 4.91 | 52,564 |
| Independence from Whom | 0 | - | 4.99 | 209,771 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,815 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,023 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,091 |
| Recently Independent Countries | 0 | - | 4.98 | 158,026 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,572 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,275 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,971 |
| Communist Countries in History | 0 | - | 4.63 | 492,664 |
| Countries by Former Name | 0 | - | 4.99 | 124,333 |
| Historical City to Country | 0 | - | 4.84 | 78,145 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,131 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,943,301 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,304 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,353 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,327 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,666 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,607 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,858 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,266 |
| Countries in World War II | 0 | - | 4.54 | 904,991 |
| Countries Settled by Vikings | 0 | - | 4.93 | 120,869 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,526 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,284 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,965 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,771 |
| Landlocked Countries | 0 | - | 4.99 | 413,864 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,719,312 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,640 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,736 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,095 |
| Orthodox Countries | 0 | - | 4.91 | 130,439 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,080 |
| Monarchies of Europe | 0 | - | 4.90 | 97,361 |
| Monarchies of Asia | 0 | - | 4.97 | 70,620 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,445 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,638 |
| Top 10 Richest Countries in Asia | 0 | - | 4.73 | 104,829 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,417 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,201 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,998 |
| Island Countries | 0 | - | 4.99 | 707,727 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,695 |
| Himalayan Countries | 0 | - | 4.95 | 135,456 |
| Andean Countries | 0 | - | 4.94 | 82,865 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,258 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,266 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,950 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,638 |
| Danube Countries | 0 | - | 4.97 | 71,102 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,794 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,559 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,531 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,456 |
| European Landlocked Countries | 0 | - | 4.99 | 145,784 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,247 |
| Countries with the Most Species | 0 | - | 4.99 | 95,256 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,391 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,205 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,377 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,971 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,593 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,968 |
| Countries in the Alps | 0 | - | 4.86 | 116,866 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,589 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,300 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,027 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,443 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,203 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,028 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,604 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,780 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,407 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,090 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,202 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,055 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,467 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,777 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,773 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,126 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,670 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,270 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,802 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,451 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,762 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,618 |
| Largest Countries By Category | 0 | - | 4.97 | 156,805 |
| Countries by Countries | 0 | - | 4.96 | 62,280 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,363,090 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,973 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,793 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,840 |
| Northernmost Countries | 0 | - | 4.99 | 357,887 |
| Countries of South America | 0 | - | 5.00 | 915,289 |
| Countries of Oceania | 0 | - | 5.00 | 1,041,123 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,849,460 |
| "Land" Countries | 0 | - | 4.98 | 333,719 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,986 |
| Countries by Independence Day | 0 | - | 4.56 | 52,622 |
| Former Countries by Capital | 0 | - | 4.45 | 127,069 |
| Former Countries | 0 | - | 4.75 | 132,734 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,989 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,909 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,361 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,287 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,150 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,511 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,586 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,783 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,444 |
| Countries with Megacities | 0 | - | 4.99 | 247,266 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,288 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,094 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,715 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,019 |
| European Cities with the Biggest Economies | 0 | - | 4.62 | 38,194 |
| Countries by Official Language | 0 | - | 4.95 | 192,825 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,193 |
| Countries in their Native Language | 0 | - | 4.99 | 196,687 |
| Subdivisions by Country | 0 | - | 4.86 | 50,080 |
| Megadiverse Countries | 0 | - | 4.97 | 133,927 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,853 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,930 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,439 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,867 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,701 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,172 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,227 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,752 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,642 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,439 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,509 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,514 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,702 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,035 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,658 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,304 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,358 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,414 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,027 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,975 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,847 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,891 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,091 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,301 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,959 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,352 |
| Widest Countries East to West | 0 | - | 4.92 | 128,629 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,220 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,260 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,585 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,710 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,662 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,078 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,056 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,592 |
| Political Movements by Country | 0 | - | 4.46 | 72,272 |
| Countries with Double Letters | 0 | - | 4.97 | 93,437 |
| Countries that End in N | 0 | - | 4.94 | 156,936 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,741 |
| Countries with Six Letters | 0 | - | 4.93 | 210,412 |
| Countries with W | 0 | - | 4.97 | 158,265 |
| Countries with Z | 0 | - | 4.98 | 287,937 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,590 |
| Countries That End in U | 0 | - | 4.95 | 119,536 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,627 |
| Countries that End in O | 0 | - | 4.92 | 158,574 |
| Countries that End in R | 0 | - | 4.87 | 118,289 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,869 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,125 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,370 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,522 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,057 |
| Countries That End in Y | 0 | - | 4.90 | 185,222 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,419 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,720 |
| Countries that End in I | 0 | - | 4.94 | 134,438 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,251 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,216 |
| Countries That End in NIA | 0 | - | 4.92 | 109,025 |
| Countries That End in BIA | 0 | - | 4.92 | 147,736 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,100 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,509 |
| Countries That End in RIA | 0 | - | 4.93 | 126,105 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,035 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,243 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,546 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,908 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,391 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,948 |
