| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,377 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,749 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,088 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,078 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,313 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,079 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,602 |
| Boundary Waters | 0 | - | 4.92 | 88,850 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,472 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,863 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,509 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,983,056 |
| Landlocked Countries | 0 | - | 4.99 | 427,414 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,765 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,611 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,957 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,644 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,668 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,742 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,428 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,000 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,191 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,214 |
| World Capitals Quiz | 0 | - | 5.00 | 5,115,017 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,996 |
| Himalayan Countries | 0 | - | 4.93 | 140,896 |
| Andean Countries | 0 | - | 4.94 | 85,833 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,952 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,532 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,492 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,711 |
| Danube Countries | 0 | - | 4.97 | 72,576 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,826 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,991 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,476 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,950 |
| European Landlocked Countries | 0 | - | 4.99 | 147,793 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,561 |
| Countries with the Most Species | 0 | - | 4.99 | 103,656 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,664 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,820 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,962 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,935 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,689 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,146 |
| Countries in the Alps | 0 | - | 4.87 | 119,006 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,050 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,187 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,075 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,191 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,149 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,406 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,616 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,011 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,519 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,325 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,964 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,835 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,685 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,940 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,040 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,176 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,748 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,590 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,860 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,406 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,547 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,627 |
| Largest Countries By Category | 0 | - | 4.97 | 159,121 |
| Countries by Countries | 0 | - | 4.97 | 63,820 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,248 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,813,653 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,987 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,597 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,029 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,587 |
| Asia's Busiest Airports | 0 | - | 4.70 | 53,217 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,661 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,457 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,674 |
| Longest International Borders | 0 | - | 4.99 | 266,028 |
| Countries with Three Borders | 0 | - | 4.96 | 36,839 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,433 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,580 |
| Demonym of Every Country | 0 | - | 4.90 | 61,654 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,778 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,602,670 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,093 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,464 |
| Island Countries | 0 | - | 4.99 | 713,067 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,397,635 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,370 |
| Northernmost Countries | 0 | - | 4.99 | 364,683 |
| Countries of South America | 0 | - | 5.00 | 934,523 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,796 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,893,642 |
| "Land" Countries | 0 | - | 4.98 | 339,067 |
| Europe Map Quiz | 0 | - | 5.00 | 4,793,800 |
| All Country Flags of the World | 0 | - | 5.00 | 3,726,115 |
| Top World Languages | 0 | - | 4.92 | 831,486 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,325 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,783 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,318 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,048 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,554 |
| Countries with Megacities | 0 | - | 4.99 | 267,970 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,204 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,362 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,529 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,469 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,181 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,538 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,585 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,100 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,366 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,474 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,424 |
| Countries by Capital City | 0 | - | 5.00 | 69,667 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,192 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,371 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,514 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,982 |
| Moved Capital Cities | 0 | - | 4.96 | 74,744 |
| Countries by Official Language | 0 | - | 4.95 | 196,263 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 298,001 |
| Countries in their Native Language | 0 | - | 4.99 | 199,982 |
| Independence from Whom | 0 | - | 4.99 | 213,452 |
| Subdivisions by Country | 0 | - | 4.87 | 50,674 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,697 |
| Megadiverse Countries | 0 | - | 4.96 | 149,442 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,166 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,588 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,822 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,264 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,500 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,933 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,311 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,639 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,180 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,291 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,821 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,503 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,517 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,229 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,651 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,986 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,789 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,833 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,559 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,255 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,726 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,981 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,576 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,689 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,872 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,773 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,969 |
| Widest Countries East to West | 0 | - | 4.92 | 130,875 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,634 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,425 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,571 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,174 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,137 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,628 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,543 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,928 |
| Countries with Double Letters | 0 | - | 4.96 | 97,687 |
| Countries that End in N | 0 | - | 4.95 | 172,692 |
| Countries with Five Letters | 0 | - | 4.96 | 284,724 |
| Countries with Six Letters | 0 | - | 4.94 | 215,020 |
| Countries with W | 0 | - | 4.96 | 161,359 |
| Countries with Z | 0 | - | 4.98 | 293,089 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,728 |
| Countries That End in U | 0 | - | 4.95 | 121,416 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,476 |
| Countries that End in O | 0 | - | 4.92 | 160,393 |
| Countries that End in R | 0 | - | 4.87 | 119,295 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,073 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,193 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 186,846 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,252 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,894 |
| Countries That End in Y | 0 | - | 4.91 | 186,189 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,414 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,451 |
| Countries that End in I | 0 | - | 4.94 | 135,440 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 185,366 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,157 |
| Countries That End in NIA | 0 | - | 4.92 | 110,173 |
| Countries That End in BIA | 0 | - | 4.93 | 149,763 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,959 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,923 |
| Countries That End in RIA | 0 | - | 4.93 | 127,171 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,563 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,998 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,423 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,886 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,444 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,935 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,478 |
