| Countries of the World Quiz | 0 | - | 5.00 | 47,105,437 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,768 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,137 |
| Top World Languages | 0 | - | 4.92 | 816,262 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,961 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,214 |
| Busiest Airports in Europe | 0 | - | 4.91 | 145,283 |
| World's Busiest Airports | 0 | - | 4.95 | 216,529 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 134,672 |
| Countries with the Most Airports | 0 | - | 4.96 | 97,710 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 124,408 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 119,814 |
| Airport Codes Quiz #1 | 0 | - | 4.82 | 213,787 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,074 |
| Airline Logos | 0 | - | 4.45 | 140,198 |
| Boundary Waters | 0 | - | 4.92 | 88,173 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,925 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,564 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 71,888 |
| World Currency Quiz | 0 | - | 4.92 | 299,997 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,821 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,500 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,907 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,430 |
| Busiest Airports in the United States | 0 | - | 4.54 | 134,992 |
| Landlocked Countries | 0 | - | 4.99 | 415,891 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,754 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,795 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,315 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,181 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,440 |
| Cities by Airports | 0 | - | 4.49 | 88,439 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,289 |
| World Capitals Quiz | 0 | - | 5.00 | 5,046,075 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,541 |
| Himalayan Countries | 0 | - | 4.95 | 136,180 |
| Andean Countries | 0 | - | 4.95 | 83,284 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,579 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,777 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,278 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,901 |
| Danube Countries | 0 | - | 4.97 | 71,319 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,088 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,774 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,991 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,949 |
| European Landlocked Countries | 0 | - | 4.99 | 146,027 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,638 |
| Countries with the Most Species | 0 | - | 4.99 | 95,384 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,775 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,292 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,465 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,105 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,750 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,125 |
| Countries in the Alps | 0 | - | 4.86 | 117,225 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 81,908 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,824 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,722 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,201 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,651 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,455 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,194 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,888 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,941 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,739 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,274 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,310 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,174 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,664 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,928 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,938 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,580 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,839 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,377 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,113 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,596 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,392 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,773 |
| Largest Countries By Category | 0 | - | 4.97 | 157,146 |
| Countries by Countries | 0 | - | 4.96 | 62,512 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,053 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,025 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,735,273 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,776 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,951 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,600 |
| Demonyms Quiz | 0 | - | 4.15 | 184,953 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,307 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,049 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,803 |
| Longest International Borders | 0 | - | 4.99 | 264,218 |
| Countries with Three Borders | 0 | - | 4.96 | 36,313 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,740 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,825 |
| Demonym of Every Country | 0 | - | 4.91 | 58,849 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,239 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,301 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,576,142 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,457 |
| Island Countries | 0 | - | 4.99 | 708,560 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,474 |
| Northernmost Countries | 0 | - | 4.99 | 359,011 |
| Countries of South America | 0 | - | 5.00 | 918,663 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,450 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,856,246 |
| "Land" Countries | 0 | - | 4.98 | 334,256 |
| Airports Named for People #1 | 0 | - | 4.46 | 55,752 |
| World's Biggest Airlines | 0 | - | 4.44 | 124,300 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,248 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,082 |
| Countries with Megacities | 0 | - | 4.99 | 248,558 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,960 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,444 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,335 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,392 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,052 |
| Cities by Famous Street | 0 | - | 3.96 | 48,271 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,091 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,331 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,451 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,973 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,945 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,154 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,007 |
| Countries by Capital City | 0 | - | 5.00 | 67,282 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,631 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,166 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,619 |
| Moved Capital Cities | 0 | - | 4.96 | 73,816 |
| Countries by Official Language | 0 | - | 4.95 | 193,727 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,218 |
| Countries in their Native Language | 0 | - | 4.99 | 197,393 |
| Independence from Whom | 0 | - | 4.99 | 210,366 |
| Subdivisions by Country | 0 | - | 4.86 | 50,167 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,195 |
| Megadiverse Countries | 0 | - | 4.96 | 134,496 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,596 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,049 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,582 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,930 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,955 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,169 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,452 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,500 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,324 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,795 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,056 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,548 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,649 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,618 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,823 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,159 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,368,613 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,309 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,644 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,917 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,595 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,309 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,506 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,181 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,377 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,565 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,107 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,584 |
| Widest Countries East to West | 0 | - | 4.92 | 129,085 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,304 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,563 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,674 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,912 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,906 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,293 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 76,951 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,655 |
| Countries with Double Letters | 0 | - | 4.96 | 93,806 |
| Countries that End in N | 0 | - | 4.94 | 157,236 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,192 |
| Countries with Six Letters | 0 | - | 4.93 | 210,830 |
| Countries with W | 0 | - | 4.97 | 158,494 |
| Countries with Z | 0 | - | 4.98 | 288,388 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,848 |
| Countries That End in U | 0 | - | 4.95 | 119,660 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,989 |
| Countries that End in O | 0 | - | 4.92 | 158,692 |
| Countries that End in R | 0 | - | 4.87 | 118,403 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,963 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,535 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,623 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,709 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,273 |
| Countries That End in Y | 0 | - | 4.90 | 185,315 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,718 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,991 |
| Countries that End in I | 0 | - | 4.94 | 134,588 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,578 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,348 |
| Countries That End in NIA | 0 | - | 4.92 | 109,207 |
| Countries That End in BIA | 0 | - | 4.92 | 148,421 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,329 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,698 |
