| Countries of the World Quiz | 0 | - | 5.00 | 47,082,437 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,744 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,947 |
| Top World Languages | 0 | - | 4.92 | 815,867 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,896 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,196 |
| Busiest Airports in Europe | 0 | - | 4.91 | 145,239 |
| World's Busiest Airports | 0 | - | 4.95 | 216,177 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,763 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 134,634 |
| Countries with the Most Airports | 0 | - | 4.96 | 97,643 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 124,348 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 119,715 |
| Airport Codes Quiz #1 | 0 | - | 4.82 | 213,727 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,064 |
| Boundary Waters | 0 | - | 4.92 | 88,152 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,909 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,537 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 71,867 |
| World Currency Quiz | 0 | - | 4.92 | 299,806 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,820 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,463 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,890 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,407 |
| Busiest Airports in the United States | 0 | - | 4.54 | 134,963 |
| Landlocked Countries | 0 | - | 4.99 | 415,649 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,736 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,760 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,307 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,141 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,399 |
| Cities by Airports | 0 | - | 4.49 | 88,415 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,269 |
| World Capitals Quiz | 0 | - | 5.00 | 5,044,571 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,429 |
| Himalayan Countries | 0 | - | 4.95 | 136,077 |
| Andean Countries | 0 | - | 4.95 | 83,224 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,544 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,706 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,229 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,872 |
| Danube Countries | 0 | - | 4.97 | 71,289 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,044 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,743 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,925 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,872 |
| European Landlocked Countries | 0 | - | 4.99 | 145,998 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,582 |
| Countries with the Most Species | 0 | - | 4.99 | 95,362 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,709 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,282 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,448 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,086 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,737 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,104 |
| Countries in the Alps | 0 | - | 4.86 | 117,165 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 81,894 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,789 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,651 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,175 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,612 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,417 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,165 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,839 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,915 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,716 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,232 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,285 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,155 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,642 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,907 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,916 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,524 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,818 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,363 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,076 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,436 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,285 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,748 |
| Largest Countries By Category | 0 | - | 4.97 | 157,084 |
| Countries by Countries | 0 | - | 4.96 | 62,469 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,041 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,990 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,733,160 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,920 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,561 |
| Demonyms Quiz | 0 | - | 4.15 | 184,943 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,298 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,981 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,782 |
| Longest International Borders | 0 | - | 4.99 | 264,161 |
| Countries with Three Borders | 0 | - | 4.96 | 36,301 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,721 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,810 |
| Demonym of Every Country | 0 | - | 4.91 | 58,826 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,236 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,071 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,575,490 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,981 |
| Island Countries | 0 | - | 4.99 | 708,445 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,122 |
| Northernmost Countries | 0 | - | 4.99 | 358,856 |
| Countries of South America | 0 | - | 5.00 | 918,274 |
| Countries of Oceania | 0 | - | 5.00 | 1,044,860 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,855,351 |
| "Land" Countries | 0 | - | 4.98 | 334,168 |
| Airports Named for People #1 | 0 | - | 4.46 | 55,749 |
| World's Biggest Airlines | 0 | - | 4.44 | 124,251 |
| Airline Logos | 0 | - | 4.45 | 140,177 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,236 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,993 |
| Countries with Megacities | 0 | - | 4.99 | 248,381 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,887 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,398 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,274 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,338 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,047 |
| Cities by Famous Street | 0 | - | 3.96 | 48,267 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,088 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,269 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,403 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,956 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,920 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,119 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,975 |
| Countries by Capital City | 0 | - | 5.00 | 67,231 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,602 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,136 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,593 |
| Moved Capital Cities | 0 | - | 4.96 | 73,795 |
| Countries by Official Language | 0 | - | 4.95 | 193,319 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,868 |
| Countries in their Native Language | 0 | - | 4.99 | 197,125 |
| Independence from Whom | 0 | - | 4.99 | 210,237 |
| Subdivisions by Country | 0 | - | 4.86 | 50,155 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,124 |
| Megadiverse Countries | 0 | - | 4.96 | 134,479 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,291 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,030 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,563 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,919 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,919 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,150 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,396 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,472 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,313 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,790 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,996 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,532 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,639 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,602 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,812 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,136 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,367,904 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,225 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,623 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,849 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,562 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,286 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,435 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,150 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,350 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,539 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,095 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,560 |
| Widest Countries East to West | 0 | - | 4.92 | 129,052 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,297 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,531 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,662 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,888 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,873 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,264 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 76,855 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,649 |
| Countries with Double Letters | 0 | - | 4.96 | 93,749 |
| Countries that End in N | 0 | - | 4.94 | 157,185 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,115 |
| Countries with Six Letters | 0 | - | 4.93 | 210,774 |
| Countries with W | 0 | - | 4.97 | 158,462 |
| Countries with Z | 0 | - | 4.98 | 288,316 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,810 |
| Countries That End in U | 0 | - | 4.95 | 119,633 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,928 |
| Countries that End in O | 0 | - | 4.92 | 158,676 |
| Countries that End in R | 0 | - | 4.87 | 118,394 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,947 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,483 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,592 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,690 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,245 |
| Countries That End in Y | 0 | - | 4.90 | 185,303 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,665 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,949 |
| Countries that End in I | 0 | - | 4.94 | 134,565 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,538 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,331 |
| Countries That End in NIA | 0 | - | 4.92 | 109,158 |
| Countries That End in BIA | 0 | - | 4.92 | 147,935 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,302 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,668 |
