| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,346 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,797 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,215 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,586 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,707 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,085 |
| Boundary Waters | 0 | - | 4.92 | 88,558 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,236 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,252 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,369 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,570,768 |
| Landlocked Countries | 0 | - | 4.99 | 421,797 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,900 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,958 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,542 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,251 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,438 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,670 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,972 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,697 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,394 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,400 |
| World Capitals Quiz | 0 | - | 5.00 | 5,082,345 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,372 |
| Himalayan Countries | 0 | - | 4.95 | 138,644 |
| Andean Countries | 0 | - | 4.93 | 84,569 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,759 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,762 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,390 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,778 |
| Danube Countries | 0 | - | 4.97 | 71,990 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,991 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,407 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,269 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,748 |
| European Landlocked Countries | 0 | - | 4.99 | 147,126 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,611 |
| Countries with the Most Species | 0 | - | 4.99 | 103,223 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,734 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,577 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,716 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,531 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,213 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,643 |
| Countries in the Alps | 0 | - | 4.87 | 118,185 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,009 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,004 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,632 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,584 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,492 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,938 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,658 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,473 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,169 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,827 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,644 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,510 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,210 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,453 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,503 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,857 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,293 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 63,555 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,051 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,856 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,054 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,213 |
| Largest Countries By Category | 0 | - | 4.97 | 158,190 |
| Countries by Countries | 0 | - | 4.96 | 63,202 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,664 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,777,678 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,647 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,694 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,854 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,916 |
| Asia's Busiest Airports | 0 | - | 4.69 | 52,861 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,494 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,970 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,278 |
| Longest International Borders | 0 | - | 4.99 | 265,182 |
| Countries with Three Borders | 0 | - | 4.96 | 36,603 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,118 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,214 |
| Demonym of Every Country | 0 | - | 4.91 | 60,655 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,460 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,590,153 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,463 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,101 |
| Island Countries | 0 | - | 4.99 | 710,983 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,383,259 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,674 |
| Northernmost Countries | 0 | - | 4.99 | 361,892 |
| Countries of South America | 0 | - | 5.00 | 927,174 |
| Countries of Oceania | 0 | - | 5.00 | 1,056,628 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,876,819 |
| "Land" Countries | 0 | - | 4.98 | 337,290 |
| Europe Map Quiz | 0 | - | 5.00 | 4,769,537 |
| All Country Flags of the World | 0 | - | 5.00 | 3,677,483 |
| Top World Languages | 0 | - | 4.92 | 824,036 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,079 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,446 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,937 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,904 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,841 |
| Countries with Megacities | 0 | - | 4.99 | 264,456 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,708 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,451 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,963 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,517 |
| Biggest Cities in the World | 0 | - | 4.91 | 800,660 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,414 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,494 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,524 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,647 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,455 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,262 |
| Countries by Capital City | 0 | - | 5.00 | 68,594 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,346 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,788 |
| World Capitals by Proximity | 0 | - | 4.91 | 332,024 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,373 |
| Moved Capital Cities | 0 | - | 4.96 | 74,324 |
| Countries by Official Language | 0 | - | 4.95 | 195,224 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,320 |
| Countries in their Native Language | 0 | - | 4.99 | 199,012 |
| Independence from Whom | 0 | - | 4.99 | 212,054 |
| Subdivisions by Country | 0 | - | 4.86 | 50,425 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,699 |
| Megadiverse Countries | 0 | - | 4.96 | 135,000 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,054 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,340 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,229 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,096 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,119 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,586 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,446 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,021 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,644 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,140 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,653 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,866 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,195 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,952 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,341 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,484 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,140 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,341 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,056 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,265 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,982 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,152 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,874 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,995 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,285 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,433 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,562 |
| Widest Countries East to West | 0 | - | 4.92 | 129,628 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,448 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,360 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,116 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,758 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,583 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,853 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,369 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,796 |
| Countries with Double Letters | 0 | - | 4.96 | 96,196 |
| Countries that End in N | 0 | - | 4.95 | 171,071 |
| Countries with Five Letters | 0 | - | 4.96 | 282,372 |
| Countries with Six Letters | 0 | - | 4.94 | 213,500 |
| Countries with W | 0 | - | 4.97 | 160,295 |
| Countries with Z | 0 | - | 4.98 | 291,398 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,664 |
| Countries That End in U | 0 | - | 4.95 | 120,828 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,423 |
| Countries that End in O | 0 | - | 4.92 | 159,495 |
| Countries that End in R | 0 | - | 4.87 | 118,954 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,712 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,041 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,667 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,454 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,368 |
| Countries That End in Y | 0 | - | 4.91 | 185,859 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,882 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,829 |
| Countries that End in I | 0 | - | 4.94 | 135,075 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,059 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,809 |
| Countries That End in NIA | 0 | - | 4.92 | 109,768 |
| Countries That End in BIA | 0 | - | 4.93 | 149,176 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,087 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,403 |
| Countries That End in RIA | 0 | - | 4.93 | 126,795 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,999 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,539 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,673 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,081 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,632 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,562 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,002 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,436 |
