| Countries of the World Quiz | 0 | - | 5.00 | 47,139,483 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,886 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,553 |
| Top World Languages | 0 | - | 4.92 | 816,880 |
| Places in their Native Language #1 | 0 | - | 4.84 | 240,086 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,281 |
| Busiest Airports in Europe | 0 | - | 4.91 | 145,556 |
| World's Busiest Airports | 0 | - | 4.95 | 226,781 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 135,086 |
| Countries with the Most Airports | 0 | - | 4.96 | 97,959 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 124,525 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 120,000 |
| Airport Codes Quiz #1 | 0 | - | 4.82 | 214,006 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,142 |
| Boundary Waters | 0 | - | 4.92 | 88,207 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,947 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,623 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 71,942 |
| World Currency Quiz | 0 | - | 4.92 | 300,321 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,844 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,572 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,941 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,480 |
| Busiest Airports in the United States | 0 | - | 4.55 | 135,150 |
| Landlocked Countries | 0 | - | 4.99 | 416,355 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,807 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,846 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,349 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,249 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,502 |
| Cities by Airports | 0 | - | 4.49 | 88,486 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,320 |
| World Capitals Quiz | 0 | - | 5.00 | 5,048,516 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,785 |
| Himalayan Countries | 0 | - | 4.95 | 136,381 |
| Andean Countries | 0 | - | 4.95 | 83,414 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,679 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,905 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,370 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,970 |
| Danube Countries | 0 | - | 4.97 | 71,367 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,161 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,824 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,094 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,046 |
| European Landlocked Countries | 0 | - | 4.99 | 146,097 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,710 |
| Countries with the Most Species | 0 | - | 4.99 | 100,541 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,854 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,315 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,491 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,134 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,789 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,162 |
| Countries in the Alps | 0 | - | 4.86 | 117,295 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 81,924 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,874 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,818 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,233 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,711 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,776 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,224 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,950 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,973 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,775 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,309 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,341 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,191 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,698 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,969 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,979 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,649 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,871 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,406 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,201 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,827 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,489 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,794 |
| Largest Countries By Category | 0 | - | 4.97 | 157,214 |
| Countries by Countries | 0 | - | 4.96 | 62,566 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,069 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,057 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,738,420 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,785 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,001 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,613 |
| Demonyms Quiz | 0 | - | 4.15 | 184,972 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,319 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,151 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,830 |
| Longest International Borders | 0 | - | 4.99 | 264,254 |
| Countries with Three Borders | 0 | - | 4.96 | 36,334 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,766 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,852 |
| Demonym of Every Country | 0 | - | 4.91 | 58,888 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,243 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,583 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,577,157 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,694 |
| Island Countries | 0 | - | 4.99 | 708,716 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,959 |
| Northernmost Countries | 0 | - | 4.99 | 359,214 |
| Countries of South America | 0 | - | 5.00 | 919,270 |
| Countries of Oceania | 0 | - | 5.00 | 1,046,146 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,857,689 |
| "Land" Countries | 0 | - | 4.98 | 334,437 |
| Airports Named for People #1 | 0 | - | 4.46 | 55,782 |
| World's Biggest Airlines | 0 | - | 4.42 | 124,396 |
| Airline Logos | 0 | - | 4.45 | 140,245 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,256 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,187 |
| Countries with Megacities | 0 | - | 4.99 | 248,763 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,047 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,500 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,418 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,446 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,057 |
| Cities by Famous Street | 0 | - | 3.96 | 48,283 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,095 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,405 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,525 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,022 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,013 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,249 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,103 |
| Countries by Capital City | 0 | - | 5.00 | 67,398 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,694 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,220 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,659 |
| Moved Capital Cities | 0 | - | 4.96 | 73,854 |
| Countries by Official Language | 0 | - | 4.95 | 193,919 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,409 |
| Countries in their Native Language | 0 | - | 4.99 | 197,550 |
| Independence from Whom | 0 | - | 4.99 | 210,559 |
| Subdivisions by Country | 0 | - | 4.86 | 50,184 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,270 |
| Megadiverse Countries | 0 | - | 4.96 | 134,517 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,752 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,066 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,615 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,941 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,414 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,193 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,522 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,522 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,354 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,801 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,121 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,569 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,668 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,631 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,836 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,184 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,369,709 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,447 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,667 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,006 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,631 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,363 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,615 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,229 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,427 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,598 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,131 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,617 |
| Widest Countries East to West | 0 | - | 4.92 | 129,119 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,320 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,612 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,901 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,934 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,952 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,329 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,038 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,663 |
| Countries with Double Letters | 0 | - | 4.96 | 93,942 |
| Countries that End in N | 0 | - | 4.94 | 161,680 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,369 |
| Countries with Six Letters | 0 | - | 4.93 | 210,961 |
| Countries with W | 0 | - | 4.97 | 158,642 |
| Countries with Z | 0 | - | 4.98 | 288,568 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,927 |
| Countries That End in U | 0 | - | 4.95 | 119,787 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,072 |
| Countries that End in O | 0 | - | 4.92 | 158,779 |
| Countries that End in R | 0 | - | 4.87 | 118,458 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,991 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,642 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,685 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,765 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,334 |
| Countries That End in Y | 0 | - | 4.90 | 185,365 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,775 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,034 |
| Countries that End in I | 0 | - | 4.94 | 134,628 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,641 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,380 |
| Countries That End in NIA | 0 | - | 4.92 | 109,261 |
| Countries That End in BIA | 0 | - | 4.93 | 148,497 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,380 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,732 |
