| Countries of the World Quiz | 0 | - | 5.00 | 47,200,293 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,015 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,114 |
| Top World Languages | 0 | - | 4.92 | 818,023 |
| Places in their Native Language #1 | 0 | - | 4.84 | 240,608 |
| Places in their Native Language #2 | 0 | - | 4.83 | 127,558 |
| Busiest Airports in Europe | 0 | - | 4.91 | 145,781 |
| World's Busiest Airports | 0 | - | 4.96 | 230,234 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 135,251 |
| Countries with the Most Airports | 0 | - | 4.96 | 98,184 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 124,733 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 120,270 |
| Airport Codes Quiz #1 | 0 | - | 4.81 | 214,267 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,211 |
| Airline Logos | 0 | - | 4.45 | 140,342 |
| Boundary Waters | 0 | - | 4.92 | 88,266 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,994 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,697 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,041 |
| World Currency Quiz | 0 | - | 4.92 | 300,859 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,869 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,664 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,998 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,537 |
| Busiest Airports in the United States | 0 | - | 4.54 | 135,276 |
| Landlocked Countries | 0 | - | 4.99 | 417,121 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,866 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,962 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,406 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,351 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,619 |
| Cities by Airports | 0 | - | 4.49 | 88,548 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,388 |
| World Capitals Quiz | 0 | - | 5.00 | 5,053,329 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,155 |
| Himalayan Countries | 0 | - | 4.95 | 136,710 |
| Andean Countries | 0 | - | 4.95 | 83,579 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,841 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,126 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,501 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,100 |
| Danube Countries | 0 | - | 4.97 | 71,477 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,286 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,886 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,266 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,256 |
| European Landlocked Countries | 0 | - | 4.99 | 146,177 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,843 |
| Countries with the Most Species | 0 | - | 4.99 | 102,292 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,976 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,351 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,532 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,199 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,845 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,221 |
| Countries in the Alps | 0 | - | 4.86 | 117,402 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 81,954 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,945 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,015 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,291 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,790 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,886 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,308 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,048 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,028 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,851 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,386 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,387 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,225 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,774 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,037 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,044 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,810 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,927 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,457 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,292 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,274 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,710 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,864 |
| Largest Countries By Category | 0 | - | 4.97 | 157,341 |
| Countries by Countries | 0 | - | 4.96 | 62,651 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,096 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,136 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,744,131 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,807 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,164 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,669 |
| Demonyms Quiz | 0 | - | 4.15 | 185,017 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,337 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,494 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,928 |
| Longest International Borders | 0 | - | 4.99 | 264,375 |
| Countries with Three Borders | 0 | - | 4.96 | 36,371 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,811 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,904 |
| Demonym of Every Country | 0 | - | 4.91 | 58,972 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,258 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,371 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,579,012 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,029 |
| Island Countries | 0 | - | 4.99 | 709,025 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,907 |
| Northernmost Countries | 0 | - | 4.99 | 359,627 |
| Countries of South America | 0 | - | 5.00 | 920,343 |
| Countries of Oceania | 0 | - | 5.00 | 1,047,829 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,860,335 |
| "Land" Countries | 0 | - | 4.98 | 334,973 |
| Airports Named for People #1 | 0 | - | 4.46 | 55,828 |
| World's Biggest Airlines | 0 | - | 4.42 | 124,568 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,280 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,447 |
| Countries with Megacities | 0 | - | 4.99 | 249,333 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,302 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,643 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,623 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,620 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,069 |
| Cities by Famous Street | 0 | - | 3.96 | 48,291 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,097 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,550 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,675 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,088 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,118 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,511 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,264 |
| Countries by Capital City | 0 | - | 5.00 | 67,584 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,802 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,298 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,755 |
| Moved Capital Cities | 0 | - | 4.96 | 73,923 |
| Countries by Official Language | 0 | - | 4.95 | 194,174 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,975 |
| Countries in their Native Language | 0 | - | 4.99 | 197,780 |
| Independence from Whom | 0 | - | 4.99 | 210,928 |
| Subdivisions by Country | 0 | - | 4.86 | 50,218 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,427 |
| Megadiverse Countries | 0 | - | 4.96 | 134,587 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,950 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,100 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,654 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,959 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,502 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,259 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,675 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,580 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,397 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,817 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,421 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,605 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,705 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,672 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,884 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,239 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,371,635 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,705 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,755 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,141 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,723 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,451 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,828 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,324 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,507 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,672 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,171 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,898 |
| Widest Countries East to West | 0 | - | 4.92 | 129,200 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,337 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,716 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,944 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,986 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,027 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,401 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,140 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,685 |
| Countries with Double Letters | 0 | - | 4.96 | 94,404 |
| Countries that End in N | 0 | - | 4.95 | 168,203 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 267,570 |
| Countries with Six Letters | 0 | - | 4.93 | 211,546 |
| Countries with W | 0 | - | 4.97 | 159,020 |
| Countries with Z | 0 | - | 4.98 | 289,080 |
| Countries with Letters Missing | 0 | - | 4.97 | 185,224 |
| Countries That End in U | 0 | - | 4.95 | 120,090 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,289 |
| Countries that End in O | 0 | - | 4.92 | 158,969 |
| Countries that End in R | 0 | - | 4.87 | 118,566 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,359 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,884 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,823 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,875 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,462 |
| Countries That End in Y | 0 | - | 4.90 | 185,484 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,934 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,166 |
| Countries that End in I | 0 | - | 4.94 | 134,712 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,767 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,448 |
| Countries That End in NIA | 0 | - | 4.92 | 109,335 |
| Countries That End in BIA | 0 | - | 4.93 | 148,632 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,480 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,826 |
