| Countries of the World Quiz | 0 | - | 5.00 | 47,202,892 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,024 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,143 |
| Top World Languages | 0 | - | 4.92 | 818,065 |
| Places in their Native Language #1 | 0 | - | 4.84 | 240,655 |
| Places in their Native Language #2 | 0 | - | 4.83 | 128,219 |
| Busiest Airports in Europe | 0 | - | 4.91 | 145,786 |
| World's Busiest Airports | 0 | - | 4.96 | 230,334 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 135,261 |
| Countries with the Most Airports | 0 | - | 4.96 | 98,194 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 124,750 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 120,284 |
| Airport Codes Quiz #1 | 0 | - | 4.81 | 214,271 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,213 |
| Airline Logos | 0 | - | 4.45 | 140,345 |
| Boundary Waters | 0 | - | 4.92 | 88,271 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,999 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,700 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,047 |
| World Currency Quiz | 0 | - | 4.92 | 300,879 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,870 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,668 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,000 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,542 |
| Busiest Airports in the United States | 0 | - | 4.54 | 135,280 |
| Landlocked Countries | 0 | - | 4.99 | 417,156 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,867 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,967 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,411 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,361 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,629 |
| Cities by Airports | 0 | - | 4.49 | 88,550 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,390 |
| World Capitals Quiz | 0 | - | 5.00 | 5,053,524 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,174 |
| Himalayan Countries | 0 | - | 4.95 | 136,732 |
| Andean Countries | 0 | - | 4.95 | 83,585 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,847 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,136 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,504 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,107 |
| Danube Countries | 0 | - | 4.97 | 71,478 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,291 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,890 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,278 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,267 |
| European Landlocked Countries | 0 | - | 4.99 | 146,180 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,851 |
| Countries with the Most Species | 0 | - | 4.99 | 102,306 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,984 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,352 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,533 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,201 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,846 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,224 |
| Countries in the Alps | 0 | - | 4.86 | 117,409 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 81,954 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,953 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,019 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,294 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,793 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,890 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,313 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,057 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,030 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,852 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,389 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,388 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,227 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,779 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,039 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,047 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,819 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,929 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,458 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,294 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,291 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,720 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,867 |
| Largest Countries By Category | 0 | - | 4.97 | 157,347 |
| Countries by Countries | 0 | - | 4.96 | 62,652 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,100 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,137 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,744,404 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,807 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,169 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,669 |
| Demonyms Quiz | 0 | - | 4.15 | 185,019 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,338 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,523 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,930 |
| Longest International Borders | 0 | - | 4.99 | 264,382 |
| Countries with Three Borders | 0 | - | 4.96 | 36,372 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,813 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,904 |
| Demonym of Every Country | 0 | - | 4.91 | 58,977 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,259 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,418 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,579,090 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,045 |
| Island Countries | 0 | - | 4.99 | 709,043 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,953 |
| Northernmost Countries | 0 | - | 4.99 | 359,651 |
| Countries of South America | 0 | - | 5.00 | 920,396 |
| Countries of Oceania | 0 | - | 5.00 | 1,047,898 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,860,449 |
| "Land" Countries | 0 | - | 4.98 | 335,021 |
| Airports Named for People #1 | 0 | - | 4.46 | 55,832 |
| World's Biggest Airlines | 0 | - | 4.42 | 124,574 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,281 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,454 |
| Countries with Megacities | 0 | - | 4.99 | 249,354 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,309 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,648 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,630 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,621 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,069 |
| Cities by Famous Street | 0 | - | 3.96 | 48,291 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,098 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,553 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,681 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,091 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,123 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,559 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,276 |
| Countries by Capital City | 0 | - | 5.00 | 67,595 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,807 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,305 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,760 |
| Moved Capital Cities | 0 | - | 4.96 | 73,924 |
| Countries by Official Language | 0 | - | 4.95 | 194,193 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,994 |
| Countries in their Native Language | 0 | - | 4.99 | 197,795 |
| Independence from Whom | 0 | - | 4.99 | 210,939 |
| Subdivisions by Country | 0 | - | 4.86 | 50,219 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,431 |
| Megadiverse Countries | 0 | - | 4.96 | 134,588 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,960 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,102 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,657 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,959 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,507 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,263 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,682 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,585 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,399 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,818 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,437 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,607 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,707 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,674 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,885 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,244 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,371,725 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,716 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,756 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,148 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,728 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,457 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,836 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,330 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,511 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,675 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,171 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,956 |
| Widest Countries East to West | 0 | - | 4.92 | 129,207 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,339 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,717 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,944 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,987 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,031 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,404 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,144 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,687 |
| Countries with Double Letters | 0 | - | 4.96 | 94,436 |
| Countries that End in N | 0 | - | 4.95 | 168,314 |
| Countries with Five Letters | 0 | - | 4.96 | 268,889 |
| Countries with Six Letters | 0 | - | 4.93 | 211,608 |
| Countries with W | 0 | - | 4.97 | 159,046 |
| Countries with Z | 0 | - | 4.98 | 289,111 |
| Countries with Letters Missing | 0 | - | 4.97 | 185,253 |
| Countries That End in U | 0 | - | 4.95 | 120,112 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,307 |
| Countries that End in O | 0 | - | 4.92 | 158,980 |
| Countries that End in R | 0 | - | 4.87 | 118,577 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,367 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,899 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,840 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,887 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,469 |
| Countries That End in Y | 0 | - | 4.90 | 185,490 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,943 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,174 |
| Countries that End in I | 0 | - | 4.94 | 134,716 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,773 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,449 |
| Countries That End in NIA | 0 | - | 4.92 | 109,342 |
| Countries That End in BIA | 0 | - | 4.93 | 148,635 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,493 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,834 |
