| Countries of the World Quiz | 0 | - | 5.00 | 47,083,848 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,747 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,957 |
| Top World Languages | 0 | - | 4.92 | 815,891 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,904 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,198 |
| Busiest Airports in Europe | 0 | - | 4.91 | 145,245 |
| World's Busiest Airports | 0 | - | 4.95 | 216,198 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,763 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 134,637 |
| Countries with the Most Airports | 0 | - | 4.96 | 97,643 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 124,348 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 119,724 |
| Airport Codes Quiz #1 | 0 | - | 4.82 | 213,732 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,065 |
| Boundary Waters | 0 | - | 4.92 | 88,152 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,909 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,538 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 71,872 |
| World Currency Quiz | 0 | - | 4.92 | 299,829 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,821 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,463 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,891 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,411 |
| Busiest Airports in the United States | 0 | - | 4.54 | 134,965 |
| Landlocked Countries | 0 | - | 4.99 | 415,666 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,736 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,765 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,307 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,142 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,400 |
| Cities by Airports | 0 | - | 4.49 | 88,423 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,271 |
| World Capitals Quiz | 0 | - | 5.00 | 5,044,684 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,437 |
| Himalayan Countries | 0 | - | 4.95 | 136,082 |
| Andean Countries | 0 | - | 4.95 | 83,227 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,546 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,708 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,230 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,876 |
| Danube Countries | 0 | - | 4.97 | 71,290 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,047 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,743 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,934 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,879 |
| European Landlocked Countries | 0 | - | 4.99 | 146,001 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,585 |
| Countries with the Most Species | 0 | - | 4.99 | 95,362 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,712 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,282 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,450 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,086 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,738 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,106 |
| Countries in the Alps | 0 | - | 4.86 | 117,166 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 81,895 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,792 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,657 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,176 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,613 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,420 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,168 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,844 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,916 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,717 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,233 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,287 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,155 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,644 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,908 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,916 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,528 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,820 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,363 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,087 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,440 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,294 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,748 |
| Largest Countries By Category | 0 | - | 4.97 | 157,088 |
| Countries by Countries | 0 | - | 4.96 | 62,471 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,042 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,990 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,733,337 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,923 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,562 |
| Demonyms Quiz | 0 | - | 4.15 | 184,943 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,299 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,982 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,782 |
| Longest International Borders | 0 | - | 4.99 | 264,164 |
| Countries with Three Borders | 0 | - | 4.96 | 36,302 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,723 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,811 |
| Demonym of Every Country | 0 | - | 4.91 | 58,827 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,236 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,088 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,575,526 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,022 |
| Island Countries | 0 | - | 4.99 | 708,450 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,152 |
| Northernmost Countries | 0 | - | 4.99 | 358,870 |
| Countries of South America | 0 | - | 5.00 | 918,288 |
| Countries of Oceania | 0 | - | 5.00 | 1,044,886 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,855,418 |
| "Land" Countries | 0 | - | 4.98 | 334,172 |
| Airports Named for People #1 | 0 | - | 4.46 | 55,749 |
| World's Biggest Airlines | 0 | - | 4.44 | 124,260 |
| Airline Logos | 0 | - | 4.45 | 140,183 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,236 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,995 |
| Countries with Megacities | 0 | - | 4.99 | 248,390 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,890 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,402 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,277 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,342 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,047 |
| Cities by Famous Street | 0 | - | 3.96 | 48,267 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,088 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,274 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,407 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,957 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,922 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,122 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,978 |
| Countries by Capital City | 0 | - | 5.00 | 67,231 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,607 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,138 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,594 |
| Moved Capital Cities | 0 | - | 4.96 | 73,795 |
| Countries by Official Language | 0 | - | 4.95 | 193,361 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,908 |
| Countries in their Native Language | 0 | - | 4.99 | 197,142 |
| Independence from Whom | 0 | - | 4.99 | 210,248 |
| Subdivisions by Country | 0 | - | 4.86 | 50,156 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,132 |
| Megadiverse Countries | 0 | - | 4.96 | 134,482 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,317 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,030 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,563 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,922 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,922 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,151 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,399 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,475 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,316 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,790 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,998 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,534 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,641 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,608 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,813 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,137 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,367,938 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,228 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,626 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,854 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,566 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,286 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,439 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,151 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,354 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,541 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,095 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,561 |
| Widest Countries East to West | 0 | - | 4.92 | 129,052 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,297 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,533 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,664 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,889 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,876 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,266 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 76,862 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,650 |
| Countries with Double Letters | 0 | - | 4.96 | 93,751 |
| Countries that End in N | 0 | - | 4.94 | 157,189 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,121 |
| Countries with Six Letters | 0 | - | 4.93 | 210,779 |
| Countries with W | 0 | - | 4.97 | 158,467 |
| Countries with Z | 0 | - | 4.98 | 288,327 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,812 |
| Countries That End in U | 0 | - | 4.95 | 119,634 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,933 |
| Countries that End in O | 0 | - | 4.92 | 158,677 |
| Countries that End in R | 0 | - | 4.87 | 118,395 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,947 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,487 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,593 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,692 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,249 |
| Countries That End in Y | 0 | - | 4.90 | 185,304 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,667 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,951 |
| Countries that End in I | 0 | - | 4.94 | 134,567 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,539 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,333 |
| Countries That End in NIA | 0 | - | 4.92 | 109,160 |
| Countries That End in BIA | 0 | - | 4.92 | 147,971 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,303 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,669 |
