| Countries by National Anthem | 0 | - | 4.93 | 71,186 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,343,441 |
| Landlocked Countries | 0 | - | 4.99 | 419,091 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,757,590 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,043 |
| Himalayan Countries | 0 | - | 4.94 | 137,489 |
| Andean Countries | 0 | - | 4.95 | 83,971 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,245 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,703 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,856 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,366 |
| Danube Countries | 0 | - | 4.97 | 71,679 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,574 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,067 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,677 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,751 |
| European Landlocked Countries | 0 | - | 4.99 | 146,792 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,156 |
| Countries with the Most Species | 0 | - | 4.99 | 102,923 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,289 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,436 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,596 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,316 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,000 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,373 |
| Countries in the Alps | 0 | - | 4.87 | 117,706 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,151 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,390 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,429 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,007 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,112 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,680 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,296 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,199 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,975 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,564 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,490 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,343 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,943 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,198 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,219 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,214 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,073 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,580 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,543 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,451 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,260 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,010 |
| Largest Countries By Category | 0 | - | 4.97 | 157,661 |
| Countries by Countries | 0 | - | 4.96 | 62,851 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,233 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,166 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,335 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,106 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,641 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,174 |
| Island Countries | 0 | - | 4.99 | 709,815 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,970 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,189 |
| Northernmost Countries | 0 | - | 4.99 | 360,535 |
| Countries of South America | 0 | - | 5.00 | 923,072 |
| Countries of Oceania | 0 | - | 5.00 | 1,051,263 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,866,743 |
| "Land" Countries | 0 | - | 4.98 | 335,825 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,486 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,784 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,069 |
| Countries with Megacities | 0 | - | 4.99 | 260,693 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,929 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,017 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,203 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,028 |
| Countries by Official Language | 0 | - | 4.95 | 194,655 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,568 |
| Countries in their Native Language | 0 | - | 4.99 | 198,209 |
| Independence from Whom | 0 | - | 4.99 | 211,346 |
| Subdivisions by Country | 0 | - | 4.86 | 50,292 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,733 |
| Megadiverse Countries | 0 | - | 4.96 | 134,779 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,561 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,188 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,760 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,020 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,723 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,389 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,997 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,850 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,491 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,996 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,019 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,725 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,002 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,787 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,162 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,331 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,231 |
| World Map Quiz | 0 | - | 4.81 | 64,546 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,670 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,046 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,529 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,936 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,654 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,358 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,527 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,682 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,839 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,270 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,295 |
| Widest Countries East to West | 0 | - | 4.92 | 129,387 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,386 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,969 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,997 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,517 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,231 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,562 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,241 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,729 |
| Countries with Double Letters | 0 | - | 4.97 | 95,116 |
| Countries that End in N | 0 | - | 4.95 | 170,034 |
| Countries with Five Letters | 0 | - | 4.96 | 280,353 |
| Countries with Six Letters | 0 | - | 4.94 | 212,512 |
| Countries with W | 0 | - | 4.97 | 159,532 |
| Countries with Z | 0 | - | 4.98 | 289,835 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,763 |
| Countries That End in U | 0 | - | 4.95 | 120,420 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,771 |
| Countries that End in O | 0 | - | 4.92 | 159,205 |
| Countries that End in R | 0 | - | 4.87 | 118,739 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,517 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,356 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,124 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,094 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,677 |
| Countries That End in Y | 0 | - | 4.90 | 185,652 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,242 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,444 |
| Countries that End in I | 0 | - | 4.94 | 134,877 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,100 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,584 |
| Countries That End in NIA | 0 | - | 4.92 | 109,522 |
| Countries That End in BIA | 0 | - | 4.93 | 148,854 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,740 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,073 |
| Countries That End in RIA | 0 | - | 4.93 | 126,546 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,647 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,738 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,250 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,615 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,133 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,338 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,692 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,251 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,140 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,205 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,555 |
| Countries that End in L | 0 | - | 4.94 | 156,547 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,074 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,157 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,844 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,730 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,788 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,806 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,190 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,644 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,147 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,628 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,595 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,964 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,605 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,676 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,823,124 |
| One Border Countries | 0 | - | 4.98 | 467,759 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,615,516 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,569 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,458 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,695 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,283 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,385 |
| Majority Muslim Countries | 0 | - | 4.98 | 373,353 |
| NATO Countries | 0 | - | 4.98 | 279,403 |
| EU Countries Quiz | 0 | - | 4.99 | 273,020 |
| Recently Independent Countries | 0 | - | 4.98 | 159,036 |
| French-Speaking Countries | 0 | - | 4.85 | 270,242 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,767 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,612 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,539 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 272,039 |
| German-Speaking Countries | 0 | - | 4.91 | 145,350 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,098,759 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,330 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,966 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,964 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,168 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,830 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,858 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 112,380 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,622 |
| Olympic Host Countries | 0 | - | 4.98 | 200,422 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,650 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 135,603 |
