| Europe's Busiest Airports | 0 | - | 4.92 | 133,109 |
| World's Busiest Airports | 0 | - | 4.94 | 189,064 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,994,684 |
| Countries with the Most Airports | 0 | - | 4.96 | 80,482 |
| Airport Codes Quiz #1 | 0 | - | 4.82 | 189,598 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 355,911 |
| Top World Languages | 0 | - | 4.91 | 708,859 |
| Busiest Airports in the United States | 0 | - | 4.57 | 127,107 |
| Places in their Native Language #1 | 0 | - | 4.86 | 210,810 |
| Places in their Native Language #2 | 0 | - | 4.88 | 113,337 |
| Cities by Airports | 0 | - | 4.51 | 81,291 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 99,017 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.96 | 103,508 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 92,453 |
| Busiest Air Routes in the World | 0 | - | 4.51 | 35,307 |
| Airports Named for People #1 | 0 | - | 4.45 | 53,269 |
| Airport Codes Quiz #2 | 0 | - | 4.39 | 82,804 |
| Boundary Waters | 0 | - | 4.93 | 81,180 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 74,910 |
| Countries by Airline Passengers | 0 | - | 4.91 | 49,192 |
| World Currency Quiz | 0 | - | 4.92 | 247,565 |
| Tourist Route of Europe | 0 | - | 4.22 | 41,784 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.82 | 30,168 |
| Lonely Planet Top 200 Cities | 0 | - | 4.65 | 209,908 |
| Cities with the Most International Tourists | 0 | - | 4.46 | 49,955 |
| Largest Countries with Little Tourism | 0 | - | 4.72 | 54,776 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 324,551 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 95,358 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 76,595 |
| World Geography on a Map #1 | 0 | - | 4.93 | 67,402 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 137,366 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,942 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.34 | 92,023 |
| World Capitals Quiz | 0 | - | 5.00 | 4,502,953 |
| Members of the Arab League | 0 | - | 4.85 | 62,322 |
| Sahara Desert Countries | 0 | - | 4.97 | 127,201 |
| Himalayan Countries | 0 | - | 4.94 | 105,049 |
| Andean Countries | 0 | - | 4.91 | 58,284 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 59,239 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 49,443 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,801 |
| Coffee Producing Countries | 0 | - | 4.81 | 54,095 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,349 |
| Danube Countries | 0 | - | 4.97 | 56,674 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,719 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,866 |
| Countries with the Best Passports | 0 | - | 4.88 | 71,307 |
| Countries with the Worst Passports | 0 | - | 4.88 | 49,412 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 109,605 |
| European Landlocked Countries | 0 | - | 4.99 | 115,541 |
| Partially Recognized Countries | 0 | - | 4.98 | 89,429 |
| Countries with the Most Species | 0 | - | 4.99 | 89,540 |
| Countries 197 to 205 | 0 | - | 4.89 | 56,400 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,694 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,020 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,324 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,438 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,720 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 49,189 |
| Countries in the Alps | 0 | - | 4.84 | 102,714 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.24 | 76,693 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,366 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 87,265 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,618 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 78,309 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,023 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,604 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,675 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,175 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,337 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,689 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,464 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,622 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,693 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,544 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,011 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,514 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 98,183 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,371 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,422 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 196,556 |
| World Countries - Blind Typing | 0 | - | 5.00 | 73,022 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,312 |
| Largest Countries By Category | 0 | - | 4.96 | 144,985 |
| Countries by Countries | 0 | - | 4.96 | 54,691 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,078,277 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 78,289 |
| U.S. National Parks Map Quiz | 0 | - | 4.51 | 51,762 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.99 | 134,693 |
| Western Europe Map Quiz | 0 | - | 4.87 | 89,145 |
| Demonyms Quiz | 0 | - | 4.12 | 178,980 |
| Who Controls It? #1 | 0 | - | 4.84 | 45,520 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 181,357 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 110,958 |
| Longest International Borders | 0 | - | 4.99 | 234,290 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 36,003 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 40,151 |
| Demonym of Every Country | 0 | - | 4.91 | 49,625 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,384,691 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 341,357 |
| Island Countries Quiz | 0 | - | 4.99 | 661,064 |
| Biggest Countries by Area | 0 | - | 5.00 | 934,103 |
| Northernmost Countries | 0 | - | 4.99 | 327,565 |
| Countries of South America | 0 | - | 5.00 | 794,537 |
| Countries of Oceania | 0 | - | 5.00 | 895,038 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,158,161 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,575,645 |
| Airline Logos | 0 | - | 4.43 | 127,870 |
| Countries with Three Borders | 0 | - | 4.96 | 31,466 |
| Huge List of Famous Mountains | 0 | - | 4.82 | 30,396 |
| Analogies of Countries #1 | 0 | - | 4.84 | 50,314 |
| Five Letter Geography #4 | 0 | - | 4.84 | 66,497 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 126,300 |
| Countries with Megacities | 0 | - | 4.99 | 197,646 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 171,881 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 98,151 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 95,682 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 64,114 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 248,345 |
| Cities by Tourist Attraction #1 | 0 | - | 3.64 | 80,052 |
| Cities by Famous Street | 0 | - | 3.99 | 47,417 |
| Global Cities on a World Map | 0 | - | 4.92 | 91,525 |
| Northernmost Capital Cities | 0 | - | 4.98 | 94,095 |
| Most Remote Capital Cities | 0 | - | 4.90 | 43,783 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 34,426 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 90,912 |
| Same Letter Country and Capital | 0 | - | 4.99 | 127,657 |
| Countries by Capital City | 0 | - | 4.99 | 49,528 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 65,982 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 105,139 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 73,041 |
| Moved Capital Cities | 0 | - | 4.94 | 52,322 |
| Countries by Official Language | 0 | - | 4.96 | 172,835 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 249,509 |
| Countries in their Native Language | 0 | - | 4.98 | 178,466 |
| Independence from Whom | 0 | - | 4.99 | 185,812 |
| Subdivisions by Country | 0 | - | 4.82 | 46,466 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 113,586 |
| Megadiverse Countries | 0 | - | 4.96 | 125,379 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 91,556 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 106,733 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 47,405 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 131,673 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,183 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 78,010 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,167 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,079 |
| Countries in Relation to Cities #1 | 0 | - | 4.91 | 41,363 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 43,895 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 101,635 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,050 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,983 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 68,584 |
| Smallest Countries with at Least One Border | 0 | - | 4.89 | 81,567 |
| Southernmost Countries of the World | 0 | - | 4.99 | 207,000 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 91,047 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 108,158 |
| Countries With the Most Languages | 0 | - | 4.91 | 173,937 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 87,403 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 71,694 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 86,411 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 54,042 |
| Tallest Countries North to South | 0 | - | 4.84 | 110,526 |
| Widest Countries East to West | 0 | - | 4.93 | 119,456 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,842 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 159,127 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,702 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 85,658 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 119,438 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,264 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 66,488 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.82 | 32,079 |
| Countries with Double Letters | 0 | - | 4.96 | 68,569 |
| Countries that End in N | 0 | - | 4.93 | 132,903 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 229,982 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 187,255 |
| Countries with W | 0 | - | 4.97 | 122,858 |
| Countries with Z | 0 | - | 4.98 | 244,656 |
| Countries with Letters Missing | 0 | - | 4.97 | 166,997 |
| Countries That End in U | 0 | - | 4.95 | 107,640 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 89,667 |
| Countries that End in O | 0 | - | 4.92 | 147,007 |
| Countries that End in R | 0 | - | 4.85 | 96,521 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,297 |
| Countries Ending in "IA" | 0 | - | 4.99 | 171,575 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 155,902 |
| Countries by Last Two Letters | 0 | - | 4.91 | 116,301 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 129,386 |
| Countries That End in Y | 0 | - | 4.90 | 161,685 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 161,166 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 120,884 |
| Countries that End in I | 0 | - | 4.92 | 114,537 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 149,704 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 88,352 |
| Countries That End in NIA | 0 | - | 4.93 | 100,926 |
| Countries That End in BIA | 0 | - | 4.91 | 126,197 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 153,365 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 109,854 |
| Countries That End in RIA | 0 | - | 4.90 | 101,048 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 100,539 |
