| Countries of the World Quiz | 0 | - | 5.00 | 48,014,421 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,934 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,709 |
| Top World Languages | 0 | - | 4.92 | 832,273 |
| Places in their Native Language #1 | 0 | - | 4.85 | 243,732 |
| Busiest Airports in Europe | 0 | - | 4.91 | 147,301 |
| World's Busiest Airports | 0 | - | 4.96 | 238,282 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 56,155 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 137,134 |
| Countries with the Most Airports | 0 | - | 4.96 | 100,567 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 127,217 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 123,863 |
| Airport Codes Quiz #1 | 0 | - | 4.82 | 217,348 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,643 |
| Boundary Waters | 0 | - | 4.92 | 88,875 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,493 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,918 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.95 | 73,193 |
| World Currency Quiz | 0 | - | 4.92 | 307,932 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,991 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,867 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,569 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 62,242 |
| Places in their Native Language #2 | 0 | - | 4.80 | 135,112 |
| Busiest Airports in the United States | 0 | - | 4.54 | 136,311 |
| Landlocked Countries | 0 | - | 4.99 | 427,810 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,674 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,319 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,025 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,248 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,284 |
| Cities by Airports | 0 | - | 4.48 | 104,200 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 101,036 |
| World Capitals Quiz | 0 | - | 5.00 | 5,117,746 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,177 |
| Himalayan Countries | 0 | - | 4.93 | 141,062 |
| Andean Countries | 0 | - | 4.94 | 85,920 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 65,028 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,662 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,575 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,776 |
| Danube Countries | 0 | - | 4.97 | 72,620 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,887 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,028 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,557 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 151,028 |
| European Landlocked Countries | 0 | - | 4.99 | 147,830 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,624 |
| Countries with the Most Species | 0 | - | 4.99 | 103,679 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,730 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,837 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,981 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,967 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,713 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,182 |
| Countries in the Alps | 0 | - | 4.87 | 119,065 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 82,375 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,149 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,266 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,101 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,231 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,200 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,435 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,651 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,043 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,543 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,358 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,986 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,856 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,717 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,970 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,072 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,287 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,771 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,848 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,924 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,608 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,690 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,648 |
| Largest Countries By Category | 0 | - | 4.97 | 159,207 |
| Countries by Countries | 0 | - | 4.97 | 63,865 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,464 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,303 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,816,331 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,647 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,036 |
| Demonyms Quiz | 0 | - | 4.15 | 185,632 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,674 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,565 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,702 |
| Longest International Borders | 0 | - | 4.99 | 266,103 |
| Countries with Three Borders | 0 | - | 4.96 | 36,864 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,458 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,597 |
| Demonym of Every Country | 0 | - | 4.90 | 61,707 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,420 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 337,140 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,603,765 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,211 |
| Island Countries | 0 | - | 4.99 | 713,258 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,853 |
| Northernmost Countries | 0 | - | 4.99 | 364,885 |
| Countries of South America | 0 | - | 5.00 | 935,072 |
| Countries of Oceania | 0 | - | 5.00 | 1,066,544 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,895,026 |
| "Land" Countries | 0 | - | 4.98 | 339,204 |
| Airports Named for People #1 | 0 | - | 4.44 | 56,160 |
| World's Biggest Airlines | 0 | - | 4.42 | 126,482 |
| Airline Logos | 0 | - | 4.45 | 141,639 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,796 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,688 |
| Countries with Megacities | 0 | - | 4.99 | 268,242 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,315 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,423 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,668 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,549 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,194 |
| Cities by Famous Street | 0 | - | 3.96 | 48,396 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,201 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,603 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,673 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,156 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,429 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,573 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,525 |
| Countries by Capital City | 0 | - | 5.00 | 69,756 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,257 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,422 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 85,031 |
| Moved Capital Cities | 0 | - | 4.96 | 74,774 |
| Countries by Official Language | 0 | - | 4.95 | 196,351 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 298,112 |
| Countries in their Native Language | 0 | - | 4.99 | 200,057 |
| Independence from Whom | 0 | - | 4.99 | 213,572 |
| Subdivisions by Country | 0 | - | 4.87 | 50,684 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,774 |
| Megadiverse Countries | 0 | - | 4.96 | 149,841 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,228 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,598 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,864 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,274 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,569 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,967 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,386 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,663 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,223 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,302 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,918 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,529 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,534 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,255 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,678 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 72,017 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,398,765 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,923 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,867 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,654 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,306 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,777 |
| Countries With the Most Languages | 0 | - | 4.90 | 204,088 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,629 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,745 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,910 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,791 |
| Tallest Countries North to South | 0 | - | 4.85 | 131,023 |
| Widest Countries East to West | 0 | - | 4.92 | 130,915 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,640 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,483 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,591 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,208 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,503 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,665 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,555 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,934 |
| Countries with Double Letters | 0 | - | 4.96 | 97,806 |
| Countries that End in N | 0 | - | 4.95 | 172,804 |
| Countries with Five Letters | 0 | - | 4.96 | 284,874 |
| Countries with Six Letters | 0 | - | 4.94 | 215,142 |
| Countries with W | 0 | - | 4.96 | 161,444 |
| Countries with Z | 0 | - | 4.98 | 293,199 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,817 |
| Countries That End in U | 0 | - | 4.95 | 121,465 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,568 |
| Countries that End in O | 0 | - | 4.92 | 160,431 |
| Countries that End in R | 0 | - | 4.87 | 119,319 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,091 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,286 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 187,771 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,308 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,992 |
| Countries That End in Y | 0 | - | 4.91 | 186,212 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,536 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,498 |
| Countries that End in I | 0 | - | 4.94 | 135,462 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 185,472 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,188 |
| Countries That End in NIA | 0 | - | 4.92 | 110,204 |
| Countries That End in BIA | 0 | - | 4.93 | 149,796 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 168,012 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,962 |
