| Countries of the World Quiz | 0 | - | 5.00 | 47,164,319 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,932 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,789 |
| Top World Languages | 0 | - | 4.92 | 817,349 |
| Places in their Native Language #1 | 0 | - | 4.84 | 240,186 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,310 |
| Busiest Airports in Europe | 0 | - | 4.91 | 145,675 |
| World's Busiest Airports | 0 | - | 4.96 | 228,739 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,795 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 135,152 |
| Countries with the Most Airports | 0 | - | 4.96 | 98,056 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 124,605 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 120,092 |
| Airport Codes Quiz #1 | 0 | - | 4.81 | 214,119 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,172 |
| Boundary Waters | 0 | - | 4.92 | 88,232 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,968 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,652 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 71,975 |
| World Currency Quiz | 0 | - | 4.92 | 300,537 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,850 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,615 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,960 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,503 |
| Busiest Airports in the United States | 0 | - | 4.54 | 135,211 |
| Landlocked Countries | 0 | - | 4.99 | 416,662 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,832 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,884 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,369 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,280 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,534 |
| Cities by Airports | 0 | - | 4.49 | 88,510 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,351 |
| World Capitals Quiz | 0 | - | 5.00 | 5,050,607 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,939 |
| Himalayan Countries | 0 | - | 4.95 | 136,503 |
| Andean Countries | 0 | - | 4.95 | 83,492 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,754 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,006 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,424 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,029 |
| Danube Countries | 0 | - | 4.97 | 71,431 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,217 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,850 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,156 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,125 |
| European Landlocked Countries | 0 | - | 4.99 | 146,130 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,763 |
| Countries with the Most Species | 0 | - | 4.99 | 101,585 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,898 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,329 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,510 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,160 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,809 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,190 |
| Countries in the Alps | 0 | - | 4.86 | 117,326 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 81,935 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,903 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,896 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,253 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,741 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,821 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,255 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,986 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,994 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,805 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,330 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,366 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,203 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,730 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,996 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,004 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,715 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,895 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,430 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,247 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,010 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,568 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,829 |
| Largest Countries By Category | 0 | - | 4.97 | 157,254 |
| Countries by Countries | 0 | - | 4.96 | 62,592 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,080 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,085 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,740,622 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,067 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,637 |
| Demonyms Quiz | 0 | - | 4.15 | 184,991 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,324 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,251 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,846 |
| Longest International Borders | 0 | - | 4.99 | 264,301 |
| Countries with Three Borders | 0 | - | 4.96 | 36,345 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,778 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,872 |
| Demonym of Every Country | 0 | - | 4.91 | 58,915 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,249 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,850 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,577,832 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,832 |
| Island Countries | 0 | - | 4.99 | 708,812 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,348 |
| Northernmost Countries | 0 | - | 4.99 | 359,385 |
| Countries of South America | 0 | - | 5.00 | 919,684 |
| Countries of Oceania | 0 | - | 5.00 | 1,046,672 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,858,772 |
| "Land" Countries | 0 | - | 4.98 | 334,608 |
| Airports Named for People #1 | 0 | - | 4.46 | 55,810 |
| World's Biggest Airlines | 0 | - | 4.42 | 124,468 |
| Airline Logos | 0 | - | 4.45 | 140,290 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,263 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,272 |
| Countries with Megacities | 0 | - | 4.99 | 248,940 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,126 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,544 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,483 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,500 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,064 |
| Cities by Famous Street | 0 | - | 3.96 | 48,283 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,096 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,461 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,596 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,053 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,055 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,320 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,172 |
| Countries by Capital City | 0 | - | 5.00 | 67,474 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,742 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,250 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,701 |
| Moved Capital Cities | 0 | - | 4.96 | 73,884 |
| Countries by Official Language | 0 | - | 4.95 | 194,010 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,538 |
| Countries in their Native Language | 0 | - | 4.99 | 197,634 |
| Independence from Whom | 0 | - | 4.99 | 210,806 |
| Subdivisions by Country | 0 | - | 4.86 | 50,197 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,327 |
| Megadiverse Countries | 0 | - | 4.96 | 134,541 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,831 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,074 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,628 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,948 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,441 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,212 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,582 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,548 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,371 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,807 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,162 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,579 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,686 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,641 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,859 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,202 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,370,471 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,565 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,696 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,060 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,667 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,395 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,705 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,266 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,459 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,626 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,148 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,637 |
| Widest Countries East to West | 0 | - | 4.92 | 129,139 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,329 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,645 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,921 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,959 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,979 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,359 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,097 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,675 |
| Countries with Double Letters | 0 | - | 4.96 | 94,127 |
| Countries that End in N | 0 | - | 4.95 | 165,610 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,575 |
| Countries with Six Letters | 0 | - | 4.93 | 211,134 |
| Countries with W | 0 | - | 4.97 | 158,804 |
| Countries with Z | 0 | - | 4.98 | 288,750 |
| Countries with Letters Missing | 0 | - | 4.97 | 185,023 |
| Countries That End in U | 0 | - | 4.95 | 119,911 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,154 |
| Countries that End in O | 0 | - | 4.92 | 158,861 |
| Countries that End in R | 0 | - | 4.87 | 118,509 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,278 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,744 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,730 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,807 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,373 |
| Countries That End in Y | 0 | - | 4.90 | 185,420 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,828 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,089 |
| Countries that End in I | 0 | - | 4.94 | 134,667 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,687 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,408 |
| Countries That End in NIA | 0 | - | 4.92 | 109,295 |
| Countries That End in BIA | 0 | - | 4.93 | 148,564 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,423 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,766 |
