| Countries of the World Quiz | 0 | - | 5.00 | 46,960,573 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,599 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,121 |
| Top World Languages | 0 | - | 4.92 | 813,767 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,584 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,020 |
| Busiest Airports in Europe | 0 | - | 4.91 | 144,966 |
| World's Busiest Airports | 0 | - | 4.94 | 210,679 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,715 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 134,372 |
| Countries with the Most Airports | 0 | - | 4.96 | 97,244 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 123,974 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 119,206 |
| Airport Codes Quiz #1 | 0 | - | 4.82 | 213,245 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 37,977 |
| Boundary Waters | 0 | - | 4.92 | 88,070 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,841 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,365 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 71,647 |
| World Currency Quiz | 0 | - | 4.92 | 298,806 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,785 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,059 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,806 |
| Largest Countries with Little Tourism | 0 | - | 4.74 | 61,303 |
| Busiest Airports in the United States | 0 | - | 4.54 | 134,808 |
| Landlocked Countries | 0 | - | 4.99 | 414,102 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,629 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,548 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,201 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,725 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,137 |
| Cities by Airports | 0 | - | 4.49 | 88,293 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,160 |
| World Capitals Quiz | 0 | - | 5.00 | 5,034,791 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,781 |
| Himalayan Countries | 0 | - | 4.95 | 135,525 |
| Andean Countries | 0 | - | 4.94 | 82,918 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,291 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,317 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,989 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,664 |
| Danube Countries | 0 | - | 4.97 | 71,123 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,826 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,587 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,588 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,493 |
| European Landlocked Countries | 0 | - | 4.99 | 145,817 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,281 |
| Countries with the Most Species | 0 | - | 4.99 | 95,275 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,431 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,216 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,384 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,984 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,611 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,993 |
| Countries in the Alps | 0 | - | 4.86 | 116,910 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 81,828 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,625 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,349 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,052 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,466 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,236 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,045 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,634 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,804 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,479 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,108 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,209 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,073 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,485 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,798 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,787 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,170 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,696 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,284 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,840 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,561 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,835 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,630 |
| Largest Countries By Category | 0 | - | 4.97 | 156,848 |
| Countries by Countries | 0 | - | 4.96 | 62,311 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,821 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,721,082 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,769 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,504 |
| Demonyms Quiz | 0 | - | 4.15 | 184,866 |
| Airport Codes Quiz #2 | 0 | - | 4.41 | 96,270 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,251 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,567 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,663 |
| Longest International Borders | 0 | - | 4.99 | 263,775 |
| Countries with Three Borders | 0 | - | 4.96 | 36,217 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,624 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,714 |
| Demonym of Every Country | 0 | - | 4.91 | 58,693 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,219 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,650 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,572,225 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,303 |
| Island Countries | 0 | - | 4.99 | 707,807 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,143 |
| Northernmost Countries | 0 | - | 4.99 | 357,994 |
| Countries of South America | 0 | - | 5.00 | 915,673 |
| Countries of Oceania | 0 | - | 5.00 | 1,041,696 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,850,194 |
| "Land" Countries | 0 | - | 4.98 | 333,776 |
| Airports Named for People #1 | 0 | - | 4.46 | 55,702 |
| World's Biggest Airlines | 0 | - | 4.44 | 123,953 |
| Airline Logos | 0 | - | 4.45 | 140,011 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,177 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,546 |
| Countries with Megacities | 0 | - | 4.99 | 247,416 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,375 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,155 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,807 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,068 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,034 |
| Cities by Famous Street | 0 | - | 3.96 | 48,255 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,069 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,891 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,061 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,719 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,673 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,730 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,565 |
| Countries by Capital City | 0 | - | 5.00 | 66,781 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,403 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,960 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,455 |
| Moved Capital Cities | 0 | - | 4.96 | 73,632 |
| Countries by Official Language | 0 | - | 4.95 | 192,879 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,279 |
| Countries in their Native Language | 0 | - | 4.99 | 196,731 |
| Independence from Whom | 0 | - | 4.99 | 209,826 |
| Subdivisions by Country | 0 | - | 4.86 | 50,090 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,853 |
| Megadiverse Countries | 0 | - | 4.97 | 133,947 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,908 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,943 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,454 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,871 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,729 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,036 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,132 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,194 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,238 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,755 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,691 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,448 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,531 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,527 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,714 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,049 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,363,727 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,713 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,390 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,465 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,192 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,998 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,909 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,916 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,107 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,321 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,974 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,371 |
| Widest Countries East to West | 0 | - | 4.92 | 128,650 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,221 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,291 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,593 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,725 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,678 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,102 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,062 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,598 |
| Countries with Double Letters | 0 | - | 4.96 | 93,469 |
| Countries that End in N | 0 | - | 4.94 | 156,968 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,777 |
| Countries with Six Letters | 0 | - | 4.93 | 210,444 |
| Countries with W | 0 | - | 4.97 | 158,286 |
| Countries with Z | 0 | - | 4.98 | 287,985 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,613 |
| Countries That End in U | 0 | - | 4.95 | 119,544 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,672 |
| Countries that End in O | 0 | - | 4.92 | 158,589 |
| Countries that End in R | 0 | - | 4.87 | 118,301 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,878 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,183 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,406 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,543 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,083 |
| Countries That End in Y | 0 | - | 4.90 | 185,229 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,455 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,759 |
| Countries that End in I | 0 | - | 4.94 | 134,461 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,287 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,235 |
| Countries That End in NIA | 0 | - | 4.92 | 109,046 |
| Countries That End in BIA | 0 | - | 4.92 | 147,755 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,134 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,536 |
