| Busiest Airports in Europe | 0 | - | 4.91 | 144,857 |
| World's Busiest Airports | 0 | - | 4.94 | 210,257 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,888,210 |
| Countries with the Most Airports | 0 | - | 4.96 | 97,061 |
| Airport Codes Quiz #1 | 0 | - | 4.82 | 212,994 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,511 |
| Top World Languages | 0 | - | 4.92 | 812,620 |
| Busiest Airports in the United States | 0 | - | 4.54 | 134,753 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,357 |
| Places in their Native Language #2 | 0 | - | 4.85 | 122,937 |
| Cities by Airports | 0 | - | 4.49 | 87,770 |
| Airport Codes Quiz #2 | 0 | - | 4.41 | 96,136 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 134,203 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 123,776 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 118,868 |
| Capital City Etymologies | 0 | - | 4.77 | 62,998 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 71,550 |
| World Currency Quiz | 0 | - | 4.92 | 298,173 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 37,941 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 219,971 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,769 |
| Largest Countries with Little Tourism | 0 | - | 4.74 | 61,229 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,573 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,406 |
| Boundary Waters | 0 | - | 4.92 | 88,025 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,795 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,232 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,775 |
| Landlocked Countries | 0 | - | 4.99 | 413,246 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,681 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,110 |
| World Capitals Quiz | 0 | - | 5.00 | 5,028,912 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 81,799 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,713,259 |
| Demonyms Quiz | 0 | - | 4.15 | 184,816 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,131 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,538 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,895 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,434 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,170 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,997 |
| Island Countries | 0 | - | 4.99 | 707,456 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,416 |
| Himalayan Countries | 0 | - | 4.95 | 135,202 |
| Andean Countries | 0 | - | 4.94 | 82,750 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,164 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,103 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,829 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,537 |
| Danube Countries | 0 | - | 4.97 | 71,042 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,705 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,498 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,387 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,312 |
| European Landlocked Countries | 0 | - | 4.99 | 145,712 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,136 |
| Countries with the Most Species | 0 | - | 4.99 | 95,222 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,283 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,190 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,354 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,937 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,547 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,914 |
| Countries in the Alps | 0 | - | 4.87 | 116,761 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,521 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,173 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,981 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,384 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,108 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,966 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,522 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,723 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,024 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,015 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,180 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,019 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,409 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,707 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,718 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,983 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,604 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,234 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,731 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,059 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,519 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,573 |
| Largest Countries By Category | 0 | - | 4.97 | 156,686 |
| Countries by Countries | 0 | - | 4.96 | 62,219 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,721 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,973 |
| Northernmost Countries | 0 | - | 4.99 | 357,514 |
| Countries of South America | 0 | - | 5.00 | 914,077 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,594 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,846,901 |
| "Land" Countries | 0 | - | 4.98 | 333,537 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,672 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,472 |
| World's Biggest Airlines | 0 | - | 4.44 | 123,796 |
| Airline Logos | 0 | - | 4.45 | 139,901 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,223 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,300 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,590 |
| Longest International Borders | 0 | - | 4.99 | 263,475 |
| Countries with Three Borders | 0 | - | 4.96 | 36,162 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,584 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,639 |
| Demonym of Every Country | 0 | - | 4.91 | 58,613 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,151 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,981 |
| Countries with Megacities | 0 | - | 4.99 | 246,490 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,898 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,788 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,361 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,745 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,023 |
| Cities by Famous Street | 0 | - | 3.96 | 48,243 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,062 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,680 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,880 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,611 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,561 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,547 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,332 |
| Countries by Capital City | 0 | - | 5.00 | 66,556 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,280 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,864 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,380 |
| Moved Capital Cities | 0 | - | 4.96 | 73,552 |
| Countries by Official Language | 0 | - | 4.95 | 192,692 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,013 |
| Countries in their Native Language | 0 | - | 4.99 | 196,551 |
| Independence from Whom | 0 | - | 4.99 | 209,588 |
| Subdivisions by Country | 0 | - | 4.86 | 50,046 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,671 |
| Megadiverse Countries | 0 | - | 4.97 | 133,861 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,725 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,901 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,403 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,848 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,596 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,969 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,816 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,114 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,200 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,731 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,488 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,393 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,468 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,484 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,643 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,001 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,361,265 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,460 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,280 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,260 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,933 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,900 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,624 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,819 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,025 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,230 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,915 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,299 |
| Widest Countries East to West | 0 | - | 4.92 | 128,564 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,209 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,157 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,544 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,663 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,584 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,000 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,045 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,559 |
| Airlines by Country | 0 | - | 4.52 | 134,748 |
| Countries with Double Letters | 0 | - | 4.97 | 93,303 |
| Countries that End in N | 0 | - | 4.94 | 156,364 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,593 |
| Countries with Six Letters | 0 | - | 4.93 | 210,278 |
| Countries with W | 0 | - | 4.97 | 158,172 |
| Countries with Z | 0 | - | 4.98 | 287,765 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,493 |
| Countries That End in U | 0 | - | 4.95 | 119,485 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,463 |
| Countries that End in O | 0 | - | 4.92 | 158,519 |
| Countries that End in R | 0 | - | 4.87 | 118,244 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,842 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,940 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,259 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,449 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,880 |
| Countries That End in Y | 0 | - | 4.90 | 185,180 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,287 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,615 |
| Countries that End in I | 0 | - | 4.94 | 134,370 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,110 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,170 |
| Countries That End in NIA | 0 | - | 4.92 | 108,965 |
| Countries That End in BIA | 0 | - | 4.92 | 147,670 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,020 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,444 |
| Countries That End in RIA | 0 | - | 4.93 | 126,051 |
