| Five Biggest Countries by Continent | 0 | - | 4.99 | 219,153 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 192,362 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 122,064 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 140,823 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 215,898 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.97 | 147,152 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 68,715 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 381,631 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 81,810 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 257,225 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 88,074 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,249,170 |
| Five Most Elevated Countries by Continent | 0 | - | 4.98 | 108,616 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.96 | 107,547 |
| Sahara Desert Countries | 0 | - | 4.97 | 145,113 |
| Himalayan Countries | 0 | - | 4.95 | 121,786 |
| Andean Countries | 0 | - | 4.92 | 68,420 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 56,489 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 112,711 |
| Coffee Producing Countries | 0 | - | 4.83 | 59,686 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 59,115 |
| Danube Countries | 0 | - | 4.97 | 60,730 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 96,702 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 81,779 |
| Countries with the Best Passports | 0 | - | 4.81 | 80,254 |
| Countries with the Worst Passports | 0 | - | 4.92 | 64,400 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 137,795 |
| European Landlocked Countries | 0 | - | 4.99 | 140,891 |
| Partially Recognized Countries | 0 | - | 4.98 | 97,894 |
| Countries with the Most Species | 0 | - | 4.99 | 92,275 |
| Countries 197 to 205 | 0 | - | 4.87 | 63,314 |
| Tropic of Cancer Countries | 0 | - | 4.95 | 46,649 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,746 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 52,489 |
| Countries that Use the Peso | 0 | - | 4.88 | 56,228 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,879 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 53,558 |
| Countries in the Alps | 0 | - | 4.86 | 110,282 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 90,597 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 97,557 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 75,310 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 83,611 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 110,490 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,855 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 94,871 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,757 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,913 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,689 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 72,650 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 51,196 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 39,047 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 100,074 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,755 |
| Countries with the Most Grassland | 0 | - | 4.93 | 73,419 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 108,745 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,724 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,645 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 221,530 |
| World Countries - Blind Typing | 0 | - | 5.00 | 94,699 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 45,027 |
| Largest Countries By Category | 0 | - | 4.97 | 151,178 |
| Countries by Countries | 0 | - | 4.96 | 58,352 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,400,766 |
| Country Flags with the Most White | 0 | - | 4.87 | 131,947 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,615 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 83,813 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,467,572 |
| Five Least Guessed Countries by Continent | 0 | - | 4.97 | 90,097 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 359,852 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 381,900 |
| Island Countries Quiz | 0 | - | 4.99 | 690,215 |
| Biggest Countries by Area | 0 | - | 5.00 | 988,718 |
| Northernmost Countries | 0 | - | 4.99 | 342,486 |
| Countries of South America | 0 | - | 5.00 | 861,410 |
| Countries of Oceania | 0 | - | 5.00 | 973,919 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,727,882 |
| Five Lowest HDI Countries by Continent | 0 | - | 4.61 | 49,998 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,254,475 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 158,552 |
| Countries with Megacities | 0 | - | 4.99 | 217,672 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 186,514 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 106,146 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 126,510 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 73,076 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 269,604 |
| Countries by Official Language | 0 | - | 4.95 | 183,921 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 281,804 |
| Countries in their Native Language | 0 | - | 4.98 | 188,708 |
| Independence from Whom | 0 | - | 4.99 | 199,694 |
| Subdivisions by Country | 0 | - | 4.86 | 48,496 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 123,626 |
| Megadiverse Countries | 0 | - | 4.96 | 130,437 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 121,974 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 121,404 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 49,300 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 155,357 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 59,434 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 86,704 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 148,954 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 80,374 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,395 |
| Countries by Sports League Revenue | 0 | - | 4.93 | 67,204 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,828 |
| Countries Furthest from the United States | 0 | - | 4.95 | 85,914 |
| Countries with the Highest HDI | 0 | - | 4.95 | 134,164 |
| Straight Shot to the Arctic Circle | 0 | - | 4.89 | 72,120 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 68,579 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 97,989 |
| World Map Quiz | 0 | - | 4.87 | 57,589 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 134,721 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 86,668 |
| Southernmost Countries of the World | 0 | - | 4.99 | 218,489 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 98,670 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 116,538 |
| Countries With the Most Languages | 0 | - | 4.89 | 189,089 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 92,506 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 88,540 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 93,550 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 58,329 |
| Tallest Countries North to South | 0 | - | 4.85 | 115,556 |
| Widest Countries East to West | 0 | - | 4.92 | 124,689 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,193 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 178,789 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,428 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 90,240 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 125,363 |
| Countries with the Most Desert | 0 | - | 4.93 | 123,280 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,028 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 33,542 |
| Countries with Double Letters | 0 | - | 4.96 | 82,038 |
| Countries that End in N | 0 | - | 4.93 | 145,924 |
| Countries with Five Letters Quiz | 0 | - | 4.97 | 245,849 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 200,383 |
| Countries with W | 0 | - | 4.97 | 143,487 |
| Countries with Z | 0 | - | 4.98 | 275,790 |
| Countries with Letters Missing | 0 | - | 4.97 | 176,391 |
| Countries That End in U | 0 | - | 4.95 | 114,188 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 100,338 |
| Countries that End in O | 0 | - | 4.91 | 154,311 |
| Countries that End in R | 0 | - | 4.84 | 99,902 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 151,897 |
| Countries Ending in "IA" | 0 | - | 4.99 | 198,036 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 163,276 |
| Countries by Last Two Letters | 0 | - | 4.87 | 121,821 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 135,578 |
| Countries That End in Y | 0 | - | 4.91 | 182,094 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 189,204 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 127,449 |
| Countries that End in I | 0 | - | 4.92 | 117,421 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 158,330 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 92,199 |
| Countries That End in NIA | 0 | - | 4.92 | 105,106 |
| Countries That End in BIA | 0 | - | 4.91 | 142,730 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 161,235 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 114,723 |
| Countries That End in RIA | 0 | - | 4.90 | 105,455 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 105,876 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 215,219 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 127,199 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 119,036 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 84,881 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 71,159 |
| Countries With One Word and Three A's | 0 | - | 4.94 | 48,576 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 97,685 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 119,969 |
| Countries that are Free from U.S.A. | 0 | - | 4.87 | 46,248 |
| Countries with the Word "And" | 0 | - | 4.98 | 89,815 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 47,721 |
| Countries that End in L | 0 | - | 4.94 | 151,770 |
| "Land" Countries | 0 | - | 4.98 | 299,617 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 197,503 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 83,928 |
| City to Country Quiz #1 | 0 | - | 4.96 | 150,420 |
| City to Country Quiz #3 | 0 | - | 4.87 | 104,715 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 75,582 |
| Five Most Guessed Countries by Continent | 0 | - | 4.96 | 164,444 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.82 | 105,968 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 84,850 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 59,764 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,380,473 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 364,570 |
| One Border Countries | 0 | - | 4.98 | 444,700 |
| Five Highest HDI Countries by Continent | 0 | - | 4.51 | 56,113 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,628,564 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 115,837 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 107,616 |
| Countries by National Anthem | 0 | - | 4.92 | 69,869 |
| NATO Countries Quiz | 0 | - | 4.98 | 257,520 |
| EU Countries Quiz | 0 | - | 4.99 | 254,344 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 152,176 |
| French-Speaking Countries | 0 | - | 4.85 | 257,416 |
| Natural Features of Countries #1 | 0 | - | 4.85 | 80,750 |
| Countries That Use the Euro | 0 | - | 4.93 | 75,767 |
| Countries with the Most Military Troops | 0 | - | 4.96 | 266,778 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 248,364 |
| German-Speaking Countries | 0 | - | 4.89 | 121,062 |
| Countries with Wild Tigers | 0 | - | 4.97 | 131,534 |
| Countries with Wild Penguins | 0 | - | 4.93 | 95,622 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 149,296 |
| Top Five Countries by Religion | 0 | - | 4.91 | 157,110 |
