| Countries of the World Quiz | 0 | - | 5.00 | 47,323,152 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,209 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,005 |
| Top World Languages | 0 | - | 4.92 | 820,045 |
| Places in their Native Language #1 | 0 | - | 4.85 | 241,538 |
| Places in their Native Language #2 | 0 | - | 4.79 | 133,811 |
| Busiest Airports in Europe | 0 | - | 4.91 | 146,031 |
| World's Busiest Airports | 0 | - | 4.96 | 232,391 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 135,565 |
| Countries with the Most Airports | 0 | - | 4.96 | 98,553 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 125,099 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 120,796 |
| Airport Codes Quiz #1 | 0 | - | 4.81 | 214,648 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,292 |
| Airline Logos | 0 | - | 4.45 | 140,529 |
| Boundary Waters | 0 | - | 4.92 | 88,370 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,073 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,896 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,195 |
| World Currency Quiz | 0 | - | 4.91 | 301,897 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,903 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,832 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,069 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,650 |
| Busiest Airports in the United States | 0 | - | 4.54 | 135,426 |
| Landlocked Countries | 0 | - | 4.99 | 418,764 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,977 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,156 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,492 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,645 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,874 |
| Cities by Airports | 0 | - | 4.49 | 88,639 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,475 |
| World Capitals Quiz | 0 | - | 5.00 | 5,062,846 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,926 |
| Himalayan Countries | 0 | - | 4.94 | 137,353 |
| Andean Countries | 0 | - | 4.95 | 83,900 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,194 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,604 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,805 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,326 |
| Danube Countries | 0 | - | 4.97 | 71,633 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,521 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,037 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,608 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,692 |
| European Landlocked Countries | 0 | - | 4.99 | 146,751 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,104 |
| Countries with the Most Species | 0 | - | 4.99 | 102,888 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,240 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,428 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,581 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,291 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,971 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,347 |
| Countries in the Alps | 0 | - | 4.87 | 117,655 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 82,001 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,113 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,333 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,397 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,963 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,070 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,434 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,255 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,172 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,956 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,536 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,467 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,331 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,908 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,177 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,198 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,144 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,052 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,562 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,501 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,290 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,184 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,985 |
| Largest Countries By Category | 0 | - | 4.97 | 157,609 |
| Countries by Countries | 0 | - | 4.96 | 62,824 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,154 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,306 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,755,771 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,857 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,357 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,727 |
| Demonyms Quiz | 0 | - | 4.15 | 185,080 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,387 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,038 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,062 |
| Longest International Borders | 0 | - | 4.99 | 264,635 |
| Countries with Three Borders | 0 | - | 4.96 | 36,446 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,904 |
| Largest Cities for each Latitude Degree | 0 | - | 5.00 | 47,997 |
| Demonym of Every Country | 0 | - | 4.91 | 59,135 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,283 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,818 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,599 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,554 |
| Island Countries | 0 | - | 4.99 | 709,671 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,869 |
| Northernmost Countries | 0 | - | 4.99 | 360,388 |
| Countries of South America | 0 | - | 5.00 | 922,684 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,739 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,865,861 |
| "Land" Countries | 0 | - | 4.98 | 335,759 |
| Airports Named for People #1 | 0 | - | 4.44 | 55,875 |
| World's Biggest Airlines | 0 | - | 4.42 | 124,840 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,340 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,970 |
| Countries with Megacities | 0 | - | 4.99 | 258,649 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,843 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,960 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,126 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,966 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,090 |
| Cities by Famous Street | 0 | - | 3.96 | 48,305 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,111 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,836 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,940 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,230 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,259 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,952 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,604 |
| Countries by Capital City | 0 | - | 5.00 | 67,904 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,961 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,456 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,951 |
| Moved Capital Cities | 0 | - | 4.96 | 74,049 |
| Countries by Official Language | 0 | - | 4.95 | 194,608 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,487 |
| Countries in their Native Language | 0 | - | 4.99 | 198,153 |
| Independence from Whom | 0 | - | 4.99 | 211,266 |
| Subdivisions by Country | 0 | - | 4.86 | 50,278 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,671 |
| Megadiverse Countries | 0 | - | 4.96 | 134,756 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,527 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,175 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,740 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,009 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,690 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,365 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,947 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,831 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,471 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,983 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,914 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,702 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,982 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,761 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,140 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,315 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,344 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,144 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,016 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,470 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,908 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,624 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,290 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,502 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,660 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,813 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,253 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,271 |
| Widest Countries East to West | 0 | - | 4.92 | 129,349 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,378 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,937 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,987 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,499 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,204 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,530 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,225 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,724 |
| Countries with Double Letters | 0 | - | 4.97 | 95,062 |
| Countries that End in N | 0 | - | 4.95 | 169,939 |
| Countries with Five Letters | 0 | - | 4.96 | 280,000 |
| Countries with Six Letters | 0 | - | 4.94 | 212,445 |
| Countries with W | 0 | - | 4.97 | 159,502 |
| Countries with Z | 0 | - | 4.98 | 289,770 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,711 |
| Countries That End in U | 0 | - | 4.95 | 120,399 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,727 |
| Countries that End in O | 0 | - | 4.92 | 159,186 |
| Countries that End in R | 0 | - | 4.87 | 118,727 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,502 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,301 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,088 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,069 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,655 |
| Countries That End in Y | 0 | - | 4.90 | 185,643 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,203 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,402 |
| Countries that End in I | 0 | - | 4.94 | 134,856 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,051 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,566 |
| Countries That End in NIA | 0 | - | 4.92 | 109,504 |
| Countries That End in BIA | 0 | - | 4.93 | 148,827 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,692 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,037 |
