| Countries of the World Quiz | 0 | - | 5.00 | 46,891,677 |
| Countries by National Anthem | 0 | - | 4.92 | 71,010 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,578 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,732 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 134,216 |
| Countries with the Most Airports | 0 | - | 4.96 | 97,071 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 123,787 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 118,883 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 71,558 |
| World Currency Quiz | 0 | - | 4.92 | 298,206 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 219,976 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,769 |
| Largest Countries with Little Tourism | 0 | - | 4.74 | 61,231 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,575 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,416 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,830 |
| 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 | 95,237 |
| Cities by Airports | 0 | - | 4.49 | 87,772 |
| World Capitals with the Most International Tourists | 0 | - | 4.49 | 53,221 |
| Landlocked Countries | 0 | - | 4.99 | 413,287 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,682 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,597 |
| Twelve Days of Christmas | 0 | - | 4.45 | 145,574 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.53 | 75,992 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,113 |
| World Capitals Quiz | 0 | - | 5.00 | 5,029,221 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 81,801 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,713,702 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,137 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,548 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,903 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,466 |
| Cities with the Most Opera Performances | 0 | - | 4.55 | 34,713 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,255 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,005 |
| Island Countries | 0 | - | 4.99 | 707,475 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,435 |
| Himalayan Countries | 0 | - | 4.95 | 135,220 |
| Andean Countries | 0 | - | 4.94 | 82,761 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,169 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,110 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,837 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,545 |
| Danube Countries | 0 | - | 4.97 | 71,045 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,710 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,502 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,395 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,325 |
| European Landlocked Countries | 0 | - | 4.99 | 145,717 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,143 |
| Countries with the Most Species | 0 | - | 4.99 | 95,224 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,286 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,192 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,357 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,939 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,549 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,920 |
| Countries in the Alps | 0 | - | 4.87 | 116,767 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,526 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,187 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,984 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,389 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,114 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,968 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,529 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,725 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,091 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,019 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,182 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,022 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,418 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,714 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,720 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,997 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,608 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,235 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,732 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,084 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,532 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,574 |
| Largest Countries By Category | 0 | - | 4.97 | 156,696 |
| Countries by Countries | 0 | - | 4.96 | 62,225 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,721 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,030 |
| Northernmost Countries | 0 | - | 4.99 | 357,537 |
| Countries of South America | 0 | - | 5.00 | 914,134 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,689 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,847,047 |
| "Land" Countries | 0 | - | 4.98 | 333,554 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,674 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,473 |
| Top World Languages | 0 | - | 4.92 | 812,686 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,256 |
| World's Biggest Airlines | 0 | - | 4.44 | 123,808 |
| Airline Logos | 0 | - | 4.45 | 139,902 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,224 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,315 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,591 |
| Longest International Borders | 0 | - | 4.99 | 263,487 |
| Countries with Three Borders | 0 | - | 4.96 | 36,162 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,585 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,641 |
| Demonym of Every Country | 0 | - | 4.91 | 58,614 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,152 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,993 |
| Countries with Megacities | 0 | - | 4.99 | 246,515 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,912 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,795 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,365 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,754 |
| 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 | 134,688 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,884 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,613 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,565 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,553 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,344 |
| Countries by Capital City | 0 | - | 5.00 | 66,560 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,283 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,868 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,387 |
| Moved Capital Cities | 0 | - | 4.96 | 73,553 |
| Countries by Official Language | 0 | - | 4.95 | 192,701 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,030 |
| Countries in their Native Language | 0 | - | 4.99 | 196,557 |
| Independence from Whom | 0 | - | 4.99 | 209,594 |
| Subdivisions by Country | 0 | - | 4.86 | 50,050 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,680 |
| Megadiverse Countries | 0 | - | 4.97 | 133,866 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,735 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,903 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,405 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,848 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,603 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,972 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,834 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,116 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,201 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,732 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,497 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,398 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,473 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,486 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,645 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,003 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,361,395 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,285 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,270 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,943 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,905 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,640 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,823 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,028 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,236 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,922 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,307 |
| Widest Countries East to West | 0 | - | 4.92 | 128,575 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,209 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,162 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,549 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,667 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,592 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,008 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,045 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,566 |
| Airlines by Country | 0 | - | 4.52 | 134,754 |
| Countries with Double Letters | 0 | - | 4.97 | 93,308 |
| Countries that End in N | 0 | - | 4.94 | 156,371 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,602 |
| Countries with Six Letters | 0 | - | 4.93 | 210,281 |
| Countries with W | 0 | - | 4.97 | 158,177 |
| Countries with Z | 0 | - | 4.98 | 287,787 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,497 |
| Countries That End in U | 0 | - | 4.95 | 119,490 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,469 |
| Countries that End in O | 0 | - | 4.92 | 158,524 |
| Countries that End in R | 0 | - | 4.87 | 118,247 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,844 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,948 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,276 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,454 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,931 |
| Countries That End in Y | 0 | - | 4.90 | 185,181 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,303 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,621 |
| Countries that End in I | 0 | - | 4.94 | 134,375 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,126 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,175 |
| Countries That End in NIA | 0 | - | 4.92 | 108,972 |
| Countries That End in BIA | 0 | - | 4.92 | 147,672 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,023 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,448 |
| Countries That End in RIA | 0 | - | 4.93 | 126,052 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 109,972 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,116 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,486 |
