| Countries of the World Quiz | 0 | - | 5.00 | 47,070,765 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,727 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,872 |
| Top World Languages | 0 | - | 4.92 | 815,678 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,869 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,182 |
| Busiest Airports in Europe | 0 | - | 4.91 | 145,223 |
| World's Busiest Airports | 0 | - | 4.95 | 215,987 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 134,610 |
| Countries with the Most Airports | 0 | - | 4.96 | 97,607 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 124,314 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 119,672 |
| Airport Codes Quiz #1 | 0 | - | 4.82 | 213,677 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,056 |
| Airline Logos | 0 | - | 4.45 | 140,164 |
| Boundary Waters | 0 | - | 4.92 | 88,142 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,901 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,519 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 71,850 |
| World Currency Quiz | 0 | - | 4.92 | 299,724 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,818 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,443 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,881 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,398 |
| Busiest Airports in the United States | 0 | - | 4.54 | 134,951 |
| Landlocked Countries | 0 | - | 4.99 | 415,526 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,725 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,743 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,301 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,121 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,379 |
| Cities by Airports | 0 | - | 4.49 | 88,407 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,261 |
| World Capitals Quiz | 0 | - | 5.00 | 5,043,647 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,366 |
| Himalayan Countries | 0 | - | 4.95 | 136,030 |
| Andean Countries | 0 | - | 4.94 | 83,194 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,515 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,673 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,207 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,851 |
| Danube Countries | 0 | - | 4.97 | 71,278 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,019 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,721 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,898 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,843 |
| European Landlocked Countries | 0 | - | 4.99 | 145,983 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,555 |
| Countries with the Most Species | 0 | - | 4.99 | 95,355 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,679 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,273 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,446 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,074 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,725 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,091 |
| Countries in the Alps | 0 | - | 4.86 | 117,147 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 81,886 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,771 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,623 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,168 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,603 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,402 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,154 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,820 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,908 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,707 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,217 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,281 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,147 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,630 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,894 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,909 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,493 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,807 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,353 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,056 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,351 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,243 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,741 |
| Largest Countries By Category | 0 | - | 4.97 | 157,058 |
| Countries by Countries | 0 | - | 4.96 | 62,460 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,031 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,959 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,732,175 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,760 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,905 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,556 |
| Demonyms Quiz | 0 | - | 4.15 | 184,932 |
| Airport Codes Quiz #2 | 0 | - | 4.39 | 96,473 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,293 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,953 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,769 |
| Longest International Borders | 0 | - | 4.99 | 264,145 |
| Countries with Three Borders | 0 | - | 4.96 | 36,295 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,713 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,804 |
| Demonym of Every Country | 0 | - | 4.91 | 58,815 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,235 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,952 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,575,229 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,865 |
| Island Countries | 0 | - | 4.99 | 708,389 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,924 |
| Northernmost Countries | 0 | - | 4.99 | 358,783 |
| Countries of South America | 0 | - | 5.00 | 918,086 |
| Countries of Oceania | 0 | - | 5.00 | 1,044,541 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,854,899 |
| "Land" Countries | 0 | - | 4.98 | 334,135 |
| Airports Named for People #1 | 0 | - | 4.46 | 55,747 |
| World's Biggest Airlines | 0 | - | 4.44 | 124,213 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,233 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,951 |
| Countries with Megacities | 0 | - | 4.99 | 248,295 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,847 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,380 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,236 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,312 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,046 |
| Cities by Famous Street | 0 | - | 3.96 | 48,267 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,086 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,231 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,378 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,946 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,906 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,097 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,946 |
| Countries by Capital City | 0 | - | 5.00 | 67,196 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,588 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,122 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,583 |
| Moved Capital Cities | 0 | - | 4.96 | 73,786 |
| Countries by Official Language | 0 | - | 4.95 | 193,222 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,776 |
| Countries in their Native Language | 0 | - | 4.99 | 197,049 |
| Independence from Whom | 0 | - | 4.99 | 210,196 |
| Subdivisions by Country | 0 | - | 4.86 | 50,154 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,091 |
| Megadiverse Countries | 0 | - | 4.96 | 134,472 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,223 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,026 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,552 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,913 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,899 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,139 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,367 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,463 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,308 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,788 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,964 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,529 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,632 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,595 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,805 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,129 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,367,556 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,183 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,607 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,810 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,542 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,266 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,388 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,133 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,329 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,524 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,089 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,543 |
| Widest Countries East to West | 0 | - | 4.92 | 129,043 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,291 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,512 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,660 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,876 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,854 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,246 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 76,784 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,647 |
| Countries with Double Letters | 0 | - | 4.96 | 93,724 |
| Countries that End in N | 0 | - | 4.94 | 157,166 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,075 |
| Countries with Six Letters | 0 | - | 4.93 | 210,743 |
| Countries with W | 0 | - | 4.97 | 158,441 |
| Countries with Z | 0 | - | 4.98 | 288,285 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,790 |
| Countries That End in U | 0 | - | 4.95 | 119,625 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,910 |
| Countries that End in O | 0 | - | 4.92 | 158,669 |
| Countries that End in R | 0 | - | 4.87 | 118,385 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,940 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,450 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,581 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,673 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,226 |
| Countries That End in Y | 0 | - | 4.90 | 185,301 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,647 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,932 |
| Countries that End in I | 0 | - | 4.94 | 134,558 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,512 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,317 |
| Countries That End in NIA | 0 | - | 4.92 | 109,141 |
| Countries That End in BIA | 0 | - | 4.92 | 147,872 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,284 |
