| Countries by Sports League Revenue | 0 | - | 4.89 | 45,013 |
| Summer Olympic City Bids | 0 | - | 4.93 | 37,600 |
| Olympic Host Countries | 0 | - | 4.98 | 164,247 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 239,301 |
| Boundary Waters | 0 | - | 4.93 | 81,991 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 76,327 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 195,723 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.82 | 32,999 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 128,484 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,766 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,728,473 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 333,982 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 51,315 |
| World Geography on a Map #1 | 0 | - | 4.93 | 68,238 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 139,538 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,486 |
| North American Sports Cities | 0 | - | 4.79 | 161,057 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 95,376 |
| World Capitals Quiz | 0 | - | 5.00 | 4,572,098 |
| Members of the Arab League | 0 | - | 4.86 | 66,167 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,384 |
| Himalayan Countries | 0 | - | 4.94 | 108,318 |
| Andean Countries | 0 | - | 4.91 | 60,129 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,310 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,802 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,399 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,824 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,223 |
| Danube Countries | 0 | - | 4.96 | 57,207 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,220 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,286 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,668 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,368 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,972 |
| European Landlocked Countries | 0 | - | 4.99 | 137,018 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,781 |
| Countries with the Most Species | 0 | - | 4.99 | 89,850 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,321 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 45,007 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,311 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 49,038 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,871 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,111 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,895 |
| Countries in the Alps | 0 | - | 4.84 | 103,823 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.46 | 46,956 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,410 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 89,449 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,267 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,350 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,879 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,329 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,521 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,761 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,683 |
| Countries with Major League Baseball Players | 0 | - | 4.55 | 53,826 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,394 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 87,071 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 70,155 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 49,382 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 49,015 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 37,020 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,552 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,646 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,221 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 100,484 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,943 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 54,014 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 202,306 |
| World Countries - Blind Typing | 0 | - | 5.00 | 75,302 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,815 |
| Largest Countries By Category | 0 | - | 4.97 | 146,380 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.43 | 52,208 |
| Countries by Countries | 0 | - | 4.95 | 55,567 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,167,156 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.46 | 78,622 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,581 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,225,829 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.99 | 136,227 |
| Western Europe Map Quiz | 0 | - | 4.87 | 89,708 |
| Tourist Attraction by Negative Review | 0 | - | 4.91 | 60,524 |
| Who Controls It? #1 | 0 | - | 4.83 | 45,861 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 183,060 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 111,825 |
| Longest International Borders | 0 | - | 4.99 | 236,562 |
| Countries with Three Borders | 0 | - | 4.96 | 32,103 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 36,821 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 41,336 |
| Demonym of Every Country | 0 | - | 4.91 | 50,772 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,407,170 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 344,867 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 362,359 |
| Island Countries Quiz | 0 | - | 4.99 | 668,343 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.45 | 86,573 |
| Countries With the Most NBA Players | 0 | - | 4.45 | 83,335 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.69 | 85,421 |
| Biggest Countries by Area | 0 | - | 5.00 | 946,874 |
| Northernmost Countries | 0 | - | 4.99 | 330,802 |
| Countries of South America | 0 | - | 5.00 | 809,337 |
| Countries of Oceania | 0 | - | 5.00 | 912,800 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,609,690 |
| NBA Cities Map Quiz | 0 | - | 4.45 | 223,810 |
| MLB Cities Map Quiz | 0 | - | 4.45 | 63,690 |
| Flags of Countries in the World Cup 2018 | 0 | - | 4.83 | 87,586 |
| Top World Languages | 0 | - | 4.92 | 722,667 |
| Analogies of Countries #1 | 0 | - | 4.88 | 63,420 |
| Five Letter Geography #4 | 0 | - | 4.83 | 67,742 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 128,917 |
| Countries with Megacities | 0 | - | 4.99 | 201,678 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,206 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,877 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 98,125 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,788 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 252,783 |
| American Cities by Stadium Quiz | 0 | - | 4.02 | 35,804 |
| City by Football Clubs | 0 | - | 4.40 | 130,770 |
| Global Cities on a World Map | 0 | - | 4.92 | 92,864 |
| Northernmost Capital Cities | 0 | - | 4.98 | 95,952 |
| Most Remote Capital Cities | 0 | - | 4.90 | 44,854 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 35,571 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 93,180 |
| Same Letter Country and Capital | 0 | - | 4.99 | 130,110 |
| Countries by Capital City | 0 | - | 4.99 | 51,386 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 67,133 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 106,146 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 74,325 |
| Moved Capital Cities | 0 | - | 4.96 | 67,920 |
| Countries by Official Language | 0 | - | 4.96 | 175,134 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 253,057 |
| Countries in their Native Language | 0 | - | 4.98 | 180,463 |
| Independence from Whom | 0 | - | 4.99 | 189,242 |
| Subdivisions by Country | 0 | - | 4.84 | 46,876 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 115,543 |
| Megadiverse Countries | 0 | - | 4.96 | 126,766 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 93,808 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,547 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,789 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 133,266 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,867 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,571 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 146,007 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,687 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,839 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 62,890 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,232 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,909 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,429 |
| Countries that Export the Most Football Players | 0 | - | 4.39 | 49,209 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,374 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,993 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 86,255 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 82,669 |
| Southernmost Countries of the World | 0 | - | 4.99 | 209,618 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 92,553 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 109,869 |
| Countries With the Most Languages | 0 | - | 4.90 | 177,576 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,648 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 73,007 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 88,189 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 55,038 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,517 |
| Widest Countries East to West | 0 | - | 4.93 | 120,481 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,107 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 160,457 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,795 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,383 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,584 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,585 |
| Countries with the Most Desert | 0 | - | 4.92 | 106,427 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,787 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,398 |
| Countries with Double Letters | 0 | - | 4.96 | 71,706 |
| Countries that End in N | 0 | - | 4.94 | 135,878 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 233,716 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 190,429 |
| Countries with W | 0 | - | 4.96 | 125,570 |
| Countries with Z | 0 | - | 4.98 | 264,501 |
| Countries with Letters Missing | 0 | - | 4.97 | 169,617 |
| Countries That End in U | 0 | - | 4.95 | 109,293 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 92,278 |
| Countries that End in O | 0 | - | 4.92 | 148,597 |
| Countries that End in R | 0 | - | 4.85 | 97,285 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 148,050 |
| Countries Ending in "IA" | 0 | - | 4.99 | 174,035 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 157,617 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,640 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 130,578 |
| Countries That End in Y | 0 | - | 4.90 | 162,372 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 162,898 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 122,317 |
| Countries that End in I | 0 | - | 4.92 | 115,181 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 151,550 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 89,341 |
| Countries That End in NIA | 0 | - | 4.92 | 101,769 |
| Countries That End in BIA | 0 | - | 4.91 | 127,248 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 155,064 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 110,910 |
| Countries That End in RIA | 0 | - | 4.90 | 101,856 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 101,683 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 204,395 |
