| NATO Countries | 0 | - | 4.98 | 282,680 |
| EU Countries Quiz | 0 | - | 4.99 | 276,978 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 290,474 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 275,912 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,913 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,454 |
| Countries with NO Military | 0 | - | 4.97 | 62,973 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,966 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,760,953 |
| Majority Muslim Countries | 0 | - | 4.98 | 376,849 |
| Landlocked Countries | 0 | - | 4.99 | 424,201 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,794,532 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,506 |
| Himalayan Countries | 0 | - | 4.94 | 139,663 |
| Andean Countries | 0 | - | 4.94 | 85,129 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,315 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,556 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,885 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,169 |
| Danube Countries | 0 | - | 4.97 | 72,247 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,377 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,677 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,793 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,283 |
| European Landlocked Countries | 0 | - | 4.99 | 147,424 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,035 |
| Countries with the Most Species | 0 | - | 4.99 | 103,453 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,172 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,698 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,809 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,723 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,451 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,874 |
| Countries in the Alps | 0 | - | 4.87 | 118,535 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,205 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,538 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,839 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,848 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,774 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,115 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,962 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,703 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,326 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,341 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,040 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,779 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,644 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,420 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,662 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,747 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,444 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,495 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,433 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,445 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,088 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,763 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,408 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,022 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,914 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,061 |
| Largest Countries By Category | 0 | - | 4.97 | 158,597 |
| Countries by Countries | 0 | - | 4.96 | 63,475 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,031 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,874 |
| Buddhist Countries | 0 | - | 4.96 | 144,888 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,951 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,555 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,434 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,721 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,223 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,761 |
| Island Countries | 0 | - | 4.99 | 711,945 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,052,943 |
| Northernmost Countries | 0 | - | 4.99 | 363,282 |
| Countries of South America | 0 | - | 5.00 | 930,488 |
| Countries of Oceania | 0 | - | 5.00 | 1,060,887 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,884,570 |
| "Land" Countries | 0 | - | 4.98 | 337,991 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,171 |
| Orthodox Countries | 0 | - | 4.92 | 132,606 |
| Richest Island Countries | 0 | - | 4.85 | 101,049 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,390,018 |
| Monarchies of Europe | 0 | - | 4.90 | 98,673 |
| Monarchies of Asia | 0 | - | 4.97 | 71,400 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,709 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,195 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,981 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,934 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,275 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,682 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,801 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 274,007 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,805 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,925 |
| Countries that Start with A | 0 | - | 4.98 | 2,172,187 |
| Countries that Start with B | 0 | - | 4.95 | 2,303,223 |
| Countries that Start with C | 0 | - | 4.96 | 1,828,924 |
| Countries that Start with D | 0 | - | 4.96 | 714,618 |
| Countries that Start with E | 0 | - | 4.95 | 1,382,983 |
| Countries that Start with G | 0 | - | 4.97 | 1,509,303 |
| Countries that Start with H | 0 | - | 4.96 | 608,296 |
| Countries that Start with I | 0 | - | 4.92 | 1,292,923 |
| Countries that Start with J | 0 | - | 4.98 | 605,758 |
| Countries that Start with K | 0 | - | 4.97 | 819,442 |
| Countries that Start with L | 0 | - | 4.98 | 1,095,173 |
| Countries that Start with N | 0 | - | 4.93 | 1,122,200 |
| Countries that Start with P | 0 | - | 4.94 | 1,220,479 |
| Countries that Start with S | 0 | - | 4.98 | 1,760,958 |
| Countries that Start with T | 0 | - | 4.90 | 1,013,636 |
| Countries that Start with U | 0 | - | 4.97 | 907,498 |
| Countries that Start with V | 0 | - | 4.98 | 611,291 |
| Countries that Start with F | 0 | - | 4.83 | 620,307 |
| Countries that Start with M | 0 | - | 4.97 | 1,386,532 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,324 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,870 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,891 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,675 |
| Countries with Megacities | 0 | - | 4.99 | 266,180 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,409 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,839 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,694 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,958 |
| Countries by Official Language | 0 | - | 4.95 | 195,733 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,234 |
| Countries in their Native Language | 0 | - | 4.99 | 199,498 |
| Independence from Whom | 0 | - | 4.99 | 212,685 |
| Subdivisions by Country | 0 | - | 4.87 | 50,550 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,166 |
| Megadiverse Countries | 0 | - | 4.96 | 135,174 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,692 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,469 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,367 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,172 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,411 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,730 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,849 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,488 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,765 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,217 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,143 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,289 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,359 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,077 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,497 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,554 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,930 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,882 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,403 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,142 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,258 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,381 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,576 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,608 |
| Tallest Countries North to South | 0 | - | 4.86 | 129,824 |
| Widest Countries East to West | 0 | - | 4.92 | 130,281 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,552 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,072 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,452 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,961 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,837 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,334 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,459 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,860 |
| Countries with Double Letters | 0 | - | 4.96 | 96,757 |
| Countries that End in N | 0 | - | 4.95 | 171,647 |
| Countries with Five Letters | 0 | - | 4.96 | 283,336 |
| Countries with Six Letters | 0 | - | 4.94 | 214,100 |
| Countries with W | 0 | - | 4.96 | 160,711 |
| Countries with Z | 0 | - | 4.98 | 292,067 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,064 |
| Countries That End in U | 0 | - | 4.95 | 121,058 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 134,865 |
| Countries that End in O | 0 | - | 4.92 | 159,705 |
| Countries that End in R | 0 | - | 4.87 | 119,098 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,847 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,540 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,976 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,693 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,613 |
| Countries That End in Y | 0 | - | 4.91 | 186,015 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,247 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,115 |
| Countries that End in I | 0 | - | 4.94 | 135,238 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,431 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,959 |
| Countries That End in NIA | 0 | - | 4.92 | 109,946 |
| Countries That End in BIA | 0 | - | 4.93 | 149,432 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,371 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,648 |
| Countries That End in RIA | 0 | - | 4.93 | 126,963 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,250 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,193 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,996 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,431 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,986 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,721 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,220 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,503 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,569 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 54,254 |
