| Countries of the World Quiz | 0 | - | 5.00 | 47,523,408 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,439 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,754 |
| Top World Languages | 0 | - | 4.92 | 823,238 |
| Places in their Native Language #1 | 0 | - | 4.85 | 242,115 |
| Busiest Airports in Europe | 0 | - | 4.91 | 146,341 |
| World's Busiest Airports | 0 | - | 4.96 | 234,247 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,942 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 135,995 |
| Countries with the Most Airports | 0 | - | 4.96 | 99,036 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 125,684 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 121,637 |
| Airport Codes Quiz #1 | 0 | - | 4.81 | 215,244 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,392 |
| Boundary Waters | 0 | - | 4.92 | 88,515 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,209 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,183 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,508 |
| World Currency Quiz | 0 | - | 4.92 | 303,636 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,930 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,039 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,171 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,831 |
| Places in their Native Language #2 | 0 | - | 4.80 | 134,404 |
| Busiest Airports in the United States | 0 | - | 4.54 | 135,662 |
| Landlocked Countries | 0 | - | 4.99 | 421,239 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,148 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,478 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,667 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,296 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,299 |
| Cities by Airports | 0 | - | 4.49 | 88,776 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,629 |
| World Capitals Quiz | 0 | - | 5.00 | 5,078,847 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,085 |
| Himalayan Countries | 0 | - | 4.95 | 138,395 |
| Andean Countries | 0 | - | 4.93 | 84,415 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,636 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,569 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,260 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,664 |
| Danube Countries | 0 | - | 4.97 | 71,920 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,903 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,330 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,140 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,601 |
| European Landlocked Countries | 0 | - | 4.99 | 147,055 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,498 |
| Countries with the Most Species | 0 | - | 4.99 | 103,161 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,651 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,543 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,686 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,488 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,168 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,581 |
| Countries in the Alps | 0 | - | 4.87 | 118,076 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 82,100 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,555 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,888 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,599 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,524 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,409 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,887 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,572 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,427 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,131 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,776 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,604 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,466 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,142 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,403 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,442 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,715 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,240 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 60,744 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,935 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,566 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,884 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,164 |
| Largest Countries By Category | 0 | - | 4.97 | 158,070 |
| Countries by Countries | 0 | - | 4.96 | 63,107 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,250 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,596 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,773,209 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,651 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,828 |
| Demonyms Quiz | 0 | - | 4.15 | 185,253 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,468 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,801 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,243 |
| Longest International Borders | 0 | - | 4.99 | 265,067 |
| Countries with Three Borders | 0 | - | 4.96 | 36,571 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,077 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,174 |
| Demonym of Every Country | 0 | - | 4.92 | 60,457 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,323 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,947 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,588,558 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,302 |
| Island Countries | 0 | - | 4.99 | 710,761 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,891 |
| Northernmost Countries | 0 | - | 4.99 | 361,617 |
| Countries of South America | 0 | - | 5.00 | 926,217 |
| Countries of Oceania | 0 | - | 5.00 | 1,055,467 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,874,795 |
| "Land" Countries | 0 | - | 4.98 | 337,091 |
| Airports Named for People #1 | 0 | - | 4.44 | 55,942 |
| World's Biggest Airlines | 0 | - | 4.42 | 125,327 |
| Airline Logos | 0 | - | 4.45 | 140,869 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,429 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,698 |
| Countries with Megacities | 0 | - | 4.99 | 264,073 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,538 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,373 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,803 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,428 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,130 |
| Cities by Famous Street | 0 | - | 3.96 | 48,332 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,141 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,311 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,402 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,484 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,594 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,348 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,156 |
| Countries by Capital City | 0 | - | 5.00 | 68,456 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,260 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,737 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,307 |
| Moved Capital Cities | 0 | - | 4.96 | 74,276 |
| Countries by Official Language | 0 | - | 4.95 | 195,094 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,163 |
| Countries in their Native Language | 0 | - | 4.99 | 198,804 |
| Independence from Whom | 0 | - | 4.99 | 211,912 |
| Subdivisions by Country | 0 | - | 4.86 | 50,395 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,599 |
| Megadiverse Countries | 0 | - | 4.96 | 134,948 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,947 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,306 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,882 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,082 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,017 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,553 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,356 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,984 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,606 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,056 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,527 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,837 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,152 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,920 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,306 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,454 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,381,747 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,967 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,272 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,945 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,190 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,913 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,004 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,813 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,940 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,242 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,399 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,516 |
| Widest Countries East to West | 0 | - | 4.92 | 129,578 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,434 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,291 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,096 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,716 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,503 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,781 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,341 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,785 |
| Countries with Double Letters | 0 | - | 4.96 | 96,031 |
| Countries that End in N | 0 | - | 4.95 | 170,922 |
| Countries with Five Letters | 0 | - | 4.96 | 282,076 |
| Countries with Six Letters | 0 | - | 4.94 | 213,336 |
| Countries with W | 0 | - | 4.97 | 160,167 |
| Countries with Z | 0 | - | 4.98 | 291,220 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,531 |
| Countries That End in U | 0 | - | 4.95 | 120,758 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,299 |
| Countries that End in O | 0 | - | 4.92 | 159,452 |
| Countries that End in R | 0 | - | 4.87 | 118,917 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,678 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,905 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,585 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,395 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,311 |
| Countries That End in Y | 0 | - | 4.91 | 185,825 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,784 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,749 |
| Countries that End in I | 0 | - | 4.94 | 135,043 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,955 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,763 |
| Countries That End in NIA | 0 | - | 4.92 | 109,715 |
| Countries That End in BIA | 0 | - | 4.93 | 149,118 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,011 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,342 |
