| Countries of the World Quiz | 0 | - | 5.00 | 47,364,060 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,262 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,336 |
| Top World Languages | 0 | - | 4.92 | 820,717 |
| Places in their Native Language #1 | 0 | - | 4.85 | 241,664 |
| Busiest Airports in Europe | 0 | - | 4.91 | 146,093 |
| World's Busiest Airports | 0 | - | 4.96 | 232,822 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 135,653 |
| Countries with the Most Airports | 0 | - | 4.96 | 98,648 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 125,239 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 120,962 |
| Airport Codes Quiz #1 | 0 | - | 4.81 | 214,772 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,310 |
| Airline Logos | 0 | - | 4.45 | 140,595 |
| Boundary Waters | 0 | - | 4.92 | 88,400 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,107 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,964 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,262 |
| World Currency Quiz | 0 | - | 4.91 | 302,231 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,912 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,882 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,095 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,683 |
| Places in their Native Language #2 | 0 | - | 4.79 | 134,039 |
| Busiest Airports in the United States | 0 | - | 4.54 | 135,476 |
| Landlocked Countries | 0 | - | 4.99 | 419,359 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,009 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,224 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,523 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,740 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,980 |
| Cities by Airports | 0 | - | 4.49 | 88,669 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,516 |
| World Capitals Quiz | 0 | - | 5.00 | 5,066,140 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,162 |
| Himalayan Countries | 0 | - | 4.95 | 137,594 |
| Andean Countries | 0 | - | 4.95 | 84,031 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,285 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,772 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,899 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,402 |
| Danube Countries | 0 | - | 4.97 | 71,706 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,616 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,105 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,722 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,801 |
| European Landlocked Countries | 0 | - | 4.99 | 146,815 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,189 |
| Countries with the Most Species | 0 | - | 4.99 | 102,960 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,336 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,440 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,603 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,337 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,014 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,403 |
| Countries in the Alps | 0 | - | 4.87 | 117,754 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 82,032 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,185 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,452 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,448 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,039 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,151 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,747 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,331 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,226 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,992 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,590 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,508 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,358 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,963 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,223 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,248 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,268 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,089 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,591 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,599 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,561 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,334 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,018 |
| Largest Countries By Category | 0 | - | 4.97 | 157,715 |
| Countries by Countries | 0 | - | 4.96 | 62,879 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,173 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,371 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,759,390 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,869 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,419 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,759 |
| Demonyms Quiz | 0 | - | 4.15 | 185,096 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,401 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,200 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,099 |
| Longest International Borders | 0 | - | 4.99 | 264,727 |
| Countries with Three Borders | 0 | - | 4.96 | 36,470 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,933 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,044 |
| Demonym of Every Country | 0 | - | 4.91 | 59,189 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,292 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,364 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,583,814 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,707 |
| Island Countries | 0 | - | 4.99 | 709,934 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,503 |
| Northernmost Countries | 0 | - | 4.99 | 360,667 |
| Countries of South America | 0 | - | 5.00 | 923,504 |
| Countries of Oceania | 0 | - | 5.00 | 1,051,868 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,867,693 |
| "Land" Countries | 0 | - | 4.98 | 335,899 |
| Airports Named for People #1 | 0 | - | 4.44 | 55,888 |
| World's Biggest Airlines | 0 | - | 4.42 | 124,944 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,358 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,141 |
| Countries with Megacities | 0 | - | 4.99 | 261,553 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,006 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,060 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,288 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,092 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,097 |
| Cities by Famous Street | 0 | - | 3.96 | 48,310 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,118 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,933 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,028 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,275 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,331 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,040 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,725 |
| Countries by Capital City | 0 | - | 5.00 | 68,011 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,023 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,513 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,022 |
| Moved Capital Cities | 0 | - | 4.96 | 74,092 |
| Countries by Official Language | 0 | - | 4.95 | 194,715 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,642 |
| Countries in their Native Language | 0 | - | 4.99 | 198,260 |
| Independence from Whom | 0 | - | 4.99 | 211,423 |
| Subdivisions by Country | 0 | - | 4.86 | 50,301 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,787 |
| Megadiverse Countries | 0 | - | 4.96 | 134,796 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,599 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,205 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,769 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,030 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,754 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,407 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,036 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,866 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,509 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,001 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,084 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,740 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,014 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,803 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,175 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,346 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,376,649 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,304 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,069 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,598 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,979 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,700 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,446 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,572 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,719 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,866 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,297 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,326 |
| Widest Countries East to West | 0 | - | 4.92 | 129,414 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,392 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,003 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,011 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,550 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,271 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,590 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,254 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,732 |
| Countries with Double Letters | 0 | - | 4.97 | 95,156 |
| Countries that End in N | 0 | - | 4.95 | 170,122 |
| Countries with Five Letters | 0 | - | 4.96 | 280,658 |
| Countries with Six Letters | 0 | - | 4.94 | 212,577 |
| Countries with W | 0 | - | 4.97 | 159,561 |
| Countries with Z | 0 | - | 4.98 | 289,904 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,807 |
| Countries That End in U | 0 | - | 4.95 | 120,431 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,818 |
| Countries that End in O | 0 | - | 4.92 | 159,217 |
| Countries that End in R | 0 | - | 4.87 | 118,750 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,528 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,399 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,154 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,114 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,705 |
| Countries That End in Y | 0 | - | 4.91 | 185,658 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,294 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,471 |
| Countries that End in I | 0 | - | 4.94 | 134,893 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,151 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,597 |
| Countries That End in NIA | 0 | - | 4.92 | 109,539 |
| Countries That End in BIA | 0 | - | 4.93 | 148,875 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,769 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,096 |
