| Countries of the World Quiz | 0 | - | 5.00 | 46,958,130 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,594 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,107 |
| Top World Languages | 0 | - | 4.92 | 813,739 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,577 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,020 |
| Busiest Airports in Europe | 0 | - | 4.91 | 144,958 |
| World's Busiest Airports | 0 | - | 4.94 | 210,665 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,712 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 134,370 |
| Countries with the Most Airports | 0 | - | 4.96 | 97,241 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 123,971 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 119,197 |
| Airport Codes Quiz #1 | 0 | - | 4.82 | 213,235 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 37,974 |
| Boundary Waters | 0 | - | 4.92 | 88,070 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,840 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,357 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 71,643 |
| World Currency Quiz | 0 | - | 4.92 | 298,791 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,784 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,052 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,806 |
| Largest Countries with Little Tourism | 0 | - | 4.74 | 61,301 |
| Busiest Airports in the United States | 0 | - | 4.54 | 134,804 |
| Landlocked Countries | 0 | - | 4.99 | 414,062 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,627 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,538 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,199 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,721 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,127 |
| Cities by Airports | 0 | - | 4.49 | 88,291 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,158 |
| World Capitals Quiz | 0 | - | 5.00 | 5,034,602 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,774 |
| Himalayan Countries | 0 | - | 4.95 | 135,516 |
| Andean Countries | 0 | - | 4.94 | 82,912 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,287 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,308 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,982 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,661 |
| Danube Countries | 0 | - | 4.97 | 71,122 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,825 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,586 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,583 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,490 |
| European Landlocked Countries | 0 | - | 4.99 | 145,808 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,279 |
| Countries with the Most Species | 0 | - | 4.99 | 95,271 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,425 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,215 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,384 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,981 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,608 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,989 |
| Countries in the Alps | 0 | - | 4.86 | 116,905 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 81,828 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,619 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,343 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,048 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,465 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,231 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,045 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,631 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,803 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,472 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,108 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,207 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,072 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,483 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,796 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,785 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,160 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,695 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,283 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,836 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,547 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,832 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,629 |
| Largest Countries By Category | 0 | - | 4.97 | 156,844 |
| Countries by Countries | 0 | - | 4.96 | 62,308 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,816 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,720,815 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,764 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,502 |
| Demonyms Quiz | 0 | - | 4.15 | 184,865 |
| Airport Codes Quiz #2 | 0 | - | 4.41 | 96,268 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,251 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,556 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,661 |
| Longest International Borders | 0 | - | 4.99 | 263,732 |
| Countries with Three Borders | 0 | - | 4.96 | 36,214 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,623 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,713 |
| Demonym of Every Country | 0 | - | 4.91 | 58,685 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,217 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,632 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,572,146 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,288 |
| Island Countries | 0 | - | 4.99 | 707,794 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,101 |
| Northernmost Countries | 0 | - | 4.99 | 357,979 |
| Countries of South America | 0 | - | 5.00 | 915,613 |
| Countries of Oceania | 0 | - | 5.00 | 1,041,633 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,850,094 |
| "Land" Countries | 0 | - | 4.98 | 333,765 |
| Airports Named for People #1 | 0 | - | 4.46 | 55,700 |
| World's Biggest Airlines | 0 | - | 4.44 | 123,947 |
| Airline Logos | 0 | - | 4.45 | 140,007 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,177 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,536 |
| Countries with Megacities | 0 | - | 4.99 | 247,399 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,363 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,146 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,786 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,062 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,034 |
| Cities by Famous Street | 0 | - | 3.96 | 48,254 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,069 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,886 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,050 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,715 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,666 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,726 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,558 |
| Countries by Capital City | 0 | - | 5.00 | 66,773 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,399 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,956 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,448 |
| Moved Capital Cities | 0 | - | 4.96 | 73,630 |
| Countries by Official Language | 0 | - | 4.95 | 192,871 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,264 |
| Countries in their Native Language | 0 | - | 4.99 | 196,726 |
| Independence from Whom | 0 | - | 4.99 | 209,818 |
| Subdivisions by Country | 0 | - | 4.86 | 50,089 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,850 |
| Megadiverse Countries | 0 | - | 4.97 | 133,944 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,900 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,941 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,453 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,871 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,723 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,034 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,128 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,191 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,237 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,755 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,686 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,445 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,529 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,526 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,713 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,047 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,363,619 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,706 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,386 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,459 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,167 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,997 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,902 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,914 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,106 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,318 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,971 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,368 |
| Widest Countries East to West | 0 | - | 4.92 | 128,647 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,221 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,286 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,592 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,722 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,676 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,101 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,061 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,597 |
| Countries with Double Letters | 0 | - | 4.96 | 93,467 |
| Countries that End in N | 0 | - | 4.94 | 156,966 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,771 |
| Countries with Six Letters | 0 | - | 4.93 | 210,438 |
| Countries with W | 0 | - | 4.97 | 158,285 |
| Countries with Z | 0 | - | 4.98 | 287,978 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,612 |
| Countries That End in U | 0 | - | 4.95 | 119,542 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,666 |
| Countries that End in O | 0 | - | 4.92 | 158,586 |
| Countries that End in R | 0 | - | 4.87 | 118,300 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,876 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,174 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,399 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,541 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,080 |
| Countries That End in Y | 0 | - | 4.90 | 185,229 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,452 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,754 |
| Countries that End in I | 0 | - | 4.94 | 134,461 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,281 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,234 |
| Countries That End in NIA | 0 | - | 4.92 | 109,044 |
| Countries That End in BIA | 0 | - | 4.92 | 147,752 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,129 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,529 |
