| Countries of the World Quiz | 0 | - | 5.00 | 47,740,508 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,667 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,620 |
| Top World Languages | 0 | - | 4.92 | 827,362 |
| Places in their Native Language #1 | 0 | - | 4.85 | 242,950 |
| Busiest Airports in Europe | 0 | - | 4.91 | 146,815 |
| World's Busiest Airports | 0 | - | 4.96 | 236,235 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,510 |
| Boundary Waters | 0 | - | 4.92 | 88,677 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,342 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,497 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 136,492 |
| Countries with the Most Airports | 0 | - | 4.96 | 99,887 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 126,415 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 122,692 |
| Airport Codes Quiz #1 | 0 | - | 4.81 | 216,100 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,955 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,826 |
| World Currency Quiz | 0 | - | 4.92 | 305,586 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,542 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,438 |
| Landlocked Countries | 0 | - | 4.99 | 423,930 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 62,030 |
| Places in their Native Language #2 | 0 | - | 4.80 | 134,802 |
| Busiest Airports in the United States | 0 | - | 4.54 | 135,995 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,825 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,724 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,740 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,394 |
| Himalayan Countries | 0 | - | 4.94 | 139,559 |
| Andean Countries | 0 | - | 4.94 | 85,080 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,262 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,486 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,828 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,133 |
| Danube Countries | 0 | - | 4.97 | 72,217 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,320 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,637 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,732 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,234 |
| European Landlocked Countries | 0 | - | 4.99 | 147,393 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,999 |
| Countries with the Most Species | 0 | - | 4.99 | 103,426 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,120 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,686 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,799 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,707 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,443 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,856 |
| Countries in the Alps | 0 | - | 4.87 | 118,504 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,108 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,475 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,817 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,819 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,755 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,098 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,937 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,685 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,307 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,026 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,768 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,633 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,395 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,642 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,730 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,393 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,478 |
| Countries that Host the Most Refugees | 0 | - | 4.97 | 65,297 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,383 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,957 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,690 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,388 |
| Largest Countries By Category | 0 | - | 4.97 | 158,557 |
| Countries by Countries | 0 | - | 4.96 | 63,448 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,351 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,920 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,412 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,861 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,274 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,930 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,577 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,587 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,446 |
| Longest International Borders | 0 | - | 4.99 | 265,539 |
| Countries with Three Borders | 0 | - | 4.96 | 36,695 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,257 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,378 |
| Demonym of Every Country | 0 | - | 4.90 | 61,173 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,835 |
| World Capitals Quiz | 0 | - | 5.00 | 5,095,472 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 82,224 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,792,824 |
| Demonyms Quiz | 0 | - | 4.15 | 185,446 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,356 |
| Cities by Airports | 0 | - | 4.47 | 103,756 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 56,057 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,333 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,528 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,138 |
| Island Countries | 0 | - | 4.99 | 711,815 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,052,570 |
| Northernmost Countries | 0 | - | 4.99 | 363,130 |
| Countries of South America | 0 | - | 5.00 | 930,090 |
| Countries of Oceania | 0 | - | 5.00 | 1,060,457 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,883,727 |
| "Land" Countries | 0 | - | 4.98 | 337,909 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,651 |
| Globe Grid | 0 | - | 4.32 | 32,028 |
| World Map Divided into Regions | 0 | - | 4.19 | 42,075 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,465 |
| Countries with Megacities | 0 | - | 4.99 | 265,914 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,259 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,760 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,518 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,864 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,166 |
| Cities by Famous Street | 0 | - | 3.96 | 48,369 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,172 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,980 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,901 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,797 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,982 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,914 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,790 |
| Countries by Capital City | 0 | - | 5.00 | 69,074 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,641 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,051 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,627 |
| Moved Capital Cities | 0 | - | 4.96 | 74,521 |
| Countries by Official Language | 0 | - | 4.95 | 195,666 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,149 |
| Countries in their Native Language | 0 | - | 4.99 | 199,435 |
| Independence from Whom | 0 | - | 4.99 | 212,602 |
| Subdivisions by Country | 0 | - | 4.87 | 50,541 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,105 |
| Megadiverse Countries | 0 | - | 4.96 | 135,160 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,458 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,464 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,351 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,166 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,381 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,707 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,777 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,473 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,750 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,208 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,109 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,274 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,334 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,064 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,479 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,605 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,388,861 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,869 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,537 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,743 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,705 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,358 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,004 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,213 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,334 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,545 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,591 |
| Tallest Countries North to South | 0 | - | 4.86 | 129,306 |
| Widest Countries East to West | 0 | - | 4.92 | 130,223 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,536 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,038 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,444 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,940 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,816 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,162 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,449 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,854 |
| Countries with Double Letters | 0 | - | 4.96 | 96,700 |
| Countries that End in N | 0 | - | 4.95 | 171,584 |
| Countries with Five Letters | 0 | - | 4.96 | 283,239 |
| Countries with Six Letters | 0 | - | 4.94 | 214,039 |
| Countries with W | 0 | - | 4.96 | 160,653 |
| Countries with Z | 0 | - | 4.98 | 291,995 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,022 |
| Countries That End in U | 0 | - | 4.95 | 121,036 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 134,811 |
| Countries that End in O | 0 | - | 4.92 | 159,678 |
| Countries that End in R | 0 | - | 4.87 | 119,081 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,836 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,486 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,944 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,658 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,588 |
| Countries That End in Y | 0 | - | 4.91 | 186,003 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,206 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,085 |
| Countries that End in I | 0 | - | 4.94 | 135,222 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,390 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,941 |
| Countries That End in NIA | 0 | - | 4.92 | 109,931 |
| Countries That End in BIA | 0 | - | 4.93 | 149,411 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,346 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,638 |
| Countries That End in RIA | 0 | - | 4.93 | 126,949 |
