| Five Biggest Countries by Continent | 0 | - | 4.99 | 207,765 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 166,062 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 116,411 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.92 | 193,792 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 140,814 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 65,851 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 323,240 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,050 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 244,909 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 69,395 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,881,532 |
| Five Most Elevated Countries by Continent | 0 | - | 4.98 | 96,205 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 91,941 |
| Members of the Arab League | 0 | - | 4.85 | 61,695 |
| Sahara Desert Countries | 0 | - | 4.97 | 126,761 |
| Himalayan Countries | 0 | - | 4.94 | 104,625 |
| Andean Countries | 0 | - | 4.91 | 58,001 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 58,941 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 49,260 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,601 |
| Coffee Producing Countries | 0 | - | 4.81 | 54,003 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,251 |
| Danube Countries | 0 | - | 4.97 | 56,608 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,638 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,806 |
| Countries with the Best Passports | 0 | - | 4.87 | 71,107 |
| Countries with the Worst Passports | 0 | - | 4.87 | 49,297 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 109,448 |
| European Landlocked Countries | 0 | - | 4.99 | 115,342 |
| Partially Recognized Countries | 0 | - | 4.98 | 89,271 |
| Countries with the Most Species | 0 | - | 4.99 | 89,506 |
| Countries 197 to 205 | 0 | - | 4.88 | 56,297 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,654 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,987 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,209 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,386 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,662 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 49,084 |
| Countries in the Alps | 0 | - | 4.84 | 102,551 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,233 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 86,930 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,517 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 78,184 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,886 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,488 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,557 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,105 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,286 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,596 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,372 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,548 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,633 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,418 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,898 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,406 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 97,848 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,291 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,334 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 195,810 |
| World Countries - Blind Typing | 0 | - | 5.00 | 72,704 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,246 |
| Largest Countries By Category | 0 | - | 4.96 | 144,780 |
| Countries by Countries | 0 | - | 4.96 | 54,588 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,066,402 |
| Country Flags with the Most White | 0 | - | 4.90 | 124,285 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,653 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 78,102 |
| Five Least Guessed Countries by Continent | 0 | - | 4.96 | 80,846 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 340,857 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 355,099 |
| Island Countries Quiz | 0 | - | 4.99 | 660,074 |
| Biggest Countries by Area | 0 | - | 5.00 | 932,251 |
| Northernmost Countries | 0 | - | 4.99 | 326,931 |
| Countries of South America | 0 | - | 5.00 | 792,247 |
| Countries of Oceania | 0 | - | 5.00 | 892,536 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,147,660 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,570,451 |
| Five Lowest HDI Countries by Continent | 0 | - | 4.64 | 47,984 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 125,698 |
| Countries with Megacities | 0 | - | 4.99 | 196,944 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 171,298 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 97,808 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 95,189 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 63,764 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 247,622 |
| Countries by Official Language | 0 | - | 4.96 | 170,570 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 249,012 |
| Countries in their Native Language | 0 | - | 4.98 | 178,185 |
| Independence from Whom | 0 | - | 4.99 | 185,387 |
| Subdivisions by Country | 0 | - | 4.82 | 46,416 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 113,329 |
| Megadiverse Countries | 0 | - | 4.96 | 125,262 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 91,261 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 106,623 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 47,357 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 131,496 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,099 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 77,782 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,060 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,003 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,316 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 43,736 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 101,558 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,955 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,933 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 68,502 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,225 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 82,012 |
| World Map Quiz | 0 | - | 4.90 | 49,271 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 81,424 |
| Southernmost Countries of the World | 0 | - | 4.99 | 206,575 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 90,824 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 107,922 |
| Countries With the Most Languages | 0 | - | 4.90 | 173,419 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 87,249 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 71,516 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 86,213 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,882 |
| Tallest Countries North to South | 0 | - | 4.84 | 110,387 |
| Widest Countries East to West | 0 | - | 4.93 | 119,304 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,802 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 158,931 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,616 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 85,359 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 118,772 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,100 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 66,435 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,032 |
| Countries with Double Letters | 0 | - | 4.96 | 68,222 |
| Countries that End in N | 0 | - | 4.93 | 132,560 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 229,581 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 186,889 |
| Countries with W | 0 | - | 4.97 | 122,614 |
| Countries with Z | 0 | - | 4.98 | 244,282 |
| Countries with Letters Missing | 0 | - | 4.97 | 160,682 |
| Countries That End in U | 0 | - | 4.95 | 107,497 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 89,353 |
| Countries that End in O | 0 | - | 4.92 | 146,874 |
| Countries that End in R | 0 | - | 4.85 | 96,444 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,207 |
| Countries Ending in "IA" | 0 | - | 4.99 | 171,233 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 155,704 |
| Countries by Last Two Letters | 0 | - | 4.91 | 116,178 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 129,237 |
| Countries That End in Y | 0 | - | 4.90 | 161,603 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 160,923 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 120,702 |
| Countries that End in I | 0 | - | 4.92 | 114,476 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 149,476 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 88,247 |
| Countries That End in NIA | 0 | - | 4.93 | 100,809 |
| Countries That End in BIA | 0 | - | 4.91 | 126,025 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 153,203 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 109,699 |
| Countries That End in RIA | 0 | - | 4.90 | 100,920 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 100,402 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 200,595 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 119,614 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 110,498 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 77,306 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 92,190 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 96,668 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 42,791 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 40,658 |
| Countries that End in L | 0 | - | 4.95 | 134,234 |
| "Land" Countries | 0 | - | 4.98 | 289,103 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 188,758 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.97 | 65,167 |
| City to Country Quiz #1 | 0 | - | 4.94 | 134,240 |
| City to Country Quiz #3 | 0 | - | 4.87 | 100,149 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 71,565 |
| Five Most Guessed Countries by Continent | 0 | - | 4.96 | 153,800 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 92,038 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 82,278 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.93 | 56,012 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,310,608 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 349,472 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,061,444 |
| One Border Countries | 0 | - | 4.98 | 409,757 |
| Countries With One Word and Three A's | 0 | - | 4.85 | 30,772 |
| Five Highest HDI Countries by Continent | 0 | - | 4.50 | 53,132 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,390,955 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 108,954 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,911 |
| Countries by National Anthem | 0 | - | 4.95 | 61,823 |
| NATO Countries Quiz | 0 | - | 4.98 | 225,301 |
| EU Countries Quiz | 0 | - | 4.99 | 227,759 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 144,432 |
| Natural Features of Countries #1 | 0 | - | 4.85 | 77,597 |
| Countries That Use the Euro | 0 | - | 4.92 | 62,863 |
| Countries with the Most Military Troops | 0 | - | 4.94 | 225,769 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 217,301 |
| German-Speaking Countries | 0 | - | 4.88 | 117,503 |
| Countries with Wild Tigers | 0 | - | 4.95 | 110,862 |
| Countries with Wild Penguins | 0 | - | 4.93 | 90,163 |
| Solve the Secret Country #1 | 0 | - | 4.95 | 129,885 |
| Top Five Countries by Religion | 0 | - | 4.90 | 141,872 |
| Solve the Secret Country #2 | 0 | - | 4.91 | 88,055 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 81,565 |
| Olympic Host Countries | 0 | - | 4.98 | 161,746 |
