| Countries of the World Quiz | 0 | - | 5.00 | 45,409,577 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 390,119 |
| Top World Languages | 0 | - | 4.92 | 786,832 |
| Places in their Native Language #1 | 0 | - | 4.85 | 234,878 |
| Places in their Native Language #2 | 0 | - | 4.87 | 120,811 |
| Busiest Airports in Europe | 0 | - | 4.91 | 142,523 |
| World's Busiest Airports | 0 | - | 4.94 | 202,346 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 54,112 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 130,555 |
| Countries with the Most Airports | 0 | - | 4.96 | 93,196 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 119,124 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.96 | 112,342 |
| Airport Codes Quiz #1 | 0 | - | 4.81 | 207,933 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 37,213 |
| Boundary Waters | 0 | - | 4.92 | 86,930 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 33,916 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 93,089 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.92 | 57,560 |
| World Currency Quiz | 0 | - | 4.91 | 276,278 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,547 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 218,116 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 52,961 |
| Largest Countries with Little Tourism | 0 | - | 4.74 | 59,915 |
| Busiest Airports in the United States | 0 | - | 4.53 | 132,854 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 396,471 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 100,668 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 114,809 |
| World Geography on a Map #1 | 0 | - | 4.94 | 71,936 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 161,632 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 119,917 |
| Cities by Airports | 0 | - | 4.50 | 86,520 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 98,479 |
| World Capitals Quiz | 0 | - | 5.00 | 4,902,599 |
| Sahara Desert Countries | 0 | - | 4.98 | 152,396 |
| Himalayan Countries | 0 | - | 4.95 | 128,121 |
| Andean Countries | 0 | - | 4.93 | 72,174 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 59,331 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 117,617 |
| Coffee Producing Countries | 0 | - | 4.84 | 62,707 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 61,778 |
| Danube Countries | 0 | - | 4.97 | 62,471 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 99,103 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 83,484 |
| Countries with the Worst Passports | 0 | - | 4.93 | 77,904 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 142,839 |
| European Landlocked Countries | 0 | - | 4.99 | 143,224 |
| Partially Recognized Countries | 0 | - | 4.98 | 101,257 |
| Countries with the Most Species | 0 | - | 4.99 | 93,701 |
| Countries 197 to 205 | 0 | - | 4.88 | 66,121 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 52,376 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,568 |
| Countries that Use the Peso | 0 | - | 4.89 | 57,591 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 71,088 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 55,162 |
| Countries in the Alps | 0 | - | 4.87 | 113,577 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.29 | 80,923 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 92,418 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 101,120 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 76,606 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 92,905 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 112,820 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 93,274 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 96,992 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 51,132 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 49,006 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 60,193 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 52,140 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 39,962 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 101,674 |
| Arctic Ocean Countries | 0 | - | 4.95 | 77,138 |
| Countries with the Most Grassland | 0 | - | 4.93 | 75,064 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 112,561 |
| Countries with the Most Climate Zones | 0 | - | 4.94 | 66,050 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 57,891 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.94 | 41,666 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 229,611 |
| World Countries - Blind Typing | 0 | - | 5.00 | 99,841 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 46,263 |
| Largest Countries By Category | 0 | - | 4.97 | 153,603 |
| Countries by Countries | 0 | - | 4.96 | 60,082 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,487,633 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 85,579 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,576,007 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 142,285 |
| Western Europe Map Quiz | 0 | - | 4.87 | 92,541 |
| Demonyms Quiz | 0 | - | 4.13 | 183,834 |
| Airport Codes Quiz #2 | 0 | - | 4.41 | 93,420 |
| Who Controls It? #1 | 0 | - | 4.83 | 47,658 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 200,303 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 116,099 |
| Longest International Borders | 0 | - | 4.99 | 259,473 |
| Countries with Three Borders | 0 | - | 4.96 | 35,178 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 40,355 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 46,044 |
| Demonym of Every Country | 0 | - | 4.91 | 56,540 |
| Pacific Ocean General Knowledge | 0 | - | 4.68 | 35,932 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,523,624 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 365,149 |
| Island Countries Quiz | 0 | - | 4.99 | 698,965 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,014,255 |
| Northernmost Countries | 0 | - | 4.99 | 347,332 |
| Countries of South America | 0 | - | 5.00 | 885,089 |
| Countries of Oceania | 0 | - | 5.00 | 1,003,453 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,779,908 |
| Airports Named for People #1 | 0 | - | 4.45 | 55,162 |
| World's Biggest Airlines | 0 | - | 4.43 | 117,910 |
| Airline Logos | 0 | - | 4.44 | 137,649 |
| Analogies of Countries #1 | 0 | - | 4.88 | 67,252 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 165,181 |
| Countries with Megacities | 0 | - | 4.99 | 225,150 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 191,480 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 108,748 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 130,494 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 76,271 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 308,428 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 80,811 |
| Cities by Famous Street | 0 | - | 3.96 | 48,055 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 31,885 |
| Global Cities on a World Map | 0 | - | 4.94 | 129,221 |
| Northernmost Capital Cities | 0 | - | 4.98 | 104,925 |
| Most Remote Capital Cities | 0 | - | 4.91 | 50,344 |
| Capital Cities: Ports and Saints | 0 | - | 4.95 | 41,815 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 103,253 |
| Same Letter Country and Capital | 0 | - | 4.99 | 141,917 |
| Countries by Capital City | 0 | - | 5.00 | 62,122 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 73,678 |
| Capitals of the Largest Countries by Area | 0 | - | 4.95 | 111,676 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 80,967 |
| Moved Capital Cities | 0 | - | 4.95 | 71,837 |
| Countries by Official Language | 0 | - | 4.95 | 187,815 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 286,821 |
| Countries in their Native Language | 0 | - | 4.98 | 191,768 |
| Independence from Whom | 0 | - | 4.99 | 204,454 |
| Subdivisions by Country | 0 | - | 4.85 | 49,258 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 126,890 |
| Megadiverse Countries | 0 | - | 4.97 | 132,024 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 125,353 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 53,955 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 123,122 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,110 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.86 | 49,815 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 157,714 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 60,684 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 89,758 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 150,811 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 81,379 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,853 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 71,186 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 105,714 |
| Countries Furthest from the United States | 0 | - | 4.93 | 86,950 |
| Countries with the Highest HDI | 0 | - | 4.95 | 135,400 |
| Straight Shot to the Arctic Circle | 0 | - | 4.87 | 73,148 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 69,578 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,308,176 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 102,860 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 88,658 |
| Southernmost Countries of the World | 0 | - | 4.99 | 222,012 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 101,386 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 119,039 |
| Countries With the Most Languages | 0 | - | 4.89 | 193,972 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 106,508 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 90,827 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 95,930 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 59,592 |
| Tallest Countries North to South | 0 | - | 4.83 | 117,555 |
| Widest Countries East to West | 0 | - | 4.92 | 126,520 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,665 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 182,521 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 96,494 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 92,026 |
| Largest Countries as a Percent of Continent | 0 | - | 4.98 | 144,925 |
| Countries with the Most Desert | 0 | - | 4.93 | 125,042 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,528 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,055 |
| Countries with Double Letters | 0 | - | 4.97 | 87,763 |
| Countries that End in N | 0 | - | 4.93 | 151,210 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 251,989 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 205,237 |
| Countries with W | 0 | - | 4.97 | 153,819 |
| Countries with Z | 0 | - | 4.98 | 281,324 |
| Countries with Letters Missing | 0 | - | 4.97 | 180,422 |
| Countries That End in U | 0 | - | 4.95 | 116,953 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 104,559 |
| Countries that End in O | 0 | - | 4.92 | 156,384 |
| Countries that End in R | 0 | - | 4.83 | 101,272 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 153,179 |
| Countries Ending in "IA" | 0 | - | 4.99 | 202,154 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 166,301 |
| Countries by Last Two Letters | 0 | - | 4.88 | 132,325 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 138,284 |
| Countries That End in Y | 0 | - | 4.91 | 183,681 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 193,046 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.93 | 148,870 |
| Countries that End in I | 0 | - | 4.92 | 118,498 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 178,845 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 93,749 |
| Countries That End in NIA | 0 | - | 4.92 | 107,296 |
| Countries That End in BIA | 0 | - | 4.92 | 145,472 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 163,265 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 116,451 |
