| Countries of the World Quiz | 0 | - | 5.00 | 47,184,303 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,958 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,965 |
| Top World Languages | 0 | - | 4.92 | 817,683 |
| Places in their Native Language #1 | 0 | - | 4.84 | 240,227 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,336 |
| Busiest Airports in Europe | 0 | - | 4.91 | 145,736 |
| World's Busiest Airports | 0 | - | 4.96 | 229,627 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,187 |
| Boundary Waters | 0 | - | 4.92 | 88,250 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,982 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,677 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 135,207 |
| Countries with the Most Airports | 0 | - | 4.96 | 98,112 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 124,673 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 120,190 |
| Airport Codes Quiz #1 | 0 | - | 4.81 | 214,199 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,005 |
| World Currency Quiz | 0 | - | 4.92 | 300,709 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,638 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,981 |
| Landlocked Countries | 0 | - | 4.99 | 416,931 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,519 |
| Busiest Airports in the United States | 0 | - | 4.54 | 135,243 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,390 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,323 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,587 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,053 |
| Himalayan Countries | 0 | - | 4.95 | 136,612 |
| Andean Countries | 0 | - | 4.95 | 83,543 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,796 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,084 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,470 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,063 |
| Danube Countries | 0 | - | 4.97 | 71,459 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,267 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,871 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,214 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,203 |
| European Landlocked Countries | 0 | - | 4.99 | 146,160 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,818 |
| Countries with the Most Species | 0 | - | 4.99 | 102,106 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,943 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,344 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,523 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,181 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,828 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,211 |
| Countries in the Alps | 0 | - | 4.86 | 117,371 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,926 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,954 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,275 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,767 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,862 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,278 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,017 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,009 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,829 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,369 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,376 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,215 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,749 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,022 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,027 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,767 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,917 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,448 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,270 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,157 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,641 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,845 |
| Largest Countries By Category | 0 | - | 4.97 | 157,305 |
| Countries by Countries | 0 | - | 4.96 | 62,619 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,089 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,116 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,847 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,924 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,115 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,655 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,330 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,333 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,881 |
| Longest International Borders | 0 | - | 4.99 | 264,347 |
| Countries with Three Borders | 0 | - | 4.96 | 36,361 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,795 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,886 |
| Demonym of Every Country | 0 | - | 4.91 | 58,945 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,371 |
| World Capitals Quiz | 0 | - | 5.00 | 5,052,103 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 81,947 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,742,572 |
| Demonyms Quiz | 0 | - | 4.15 | 185,010 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,252 |
| Cities by Airports | 0 | - | 4.49 | 88,528 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,801 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,174 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,578,518 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,926 |
| Island Countries | 0 | - | 4.99 | 708,909 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,654 |
| Northernmost Countries | 0 | - | 4.99 | 359,494 |
| Countries of South America | 0 | - | 5.00 | 920,034 |
| Countries of Oceania | 0 | - | 5.00 | 1,047,478 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,859,619 |
| "Land" Countries | 0 | - | 4.98 | 334,716 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,271 |
| Globe Grid | 0 | - | 4.32 | 31,959 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,569 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,389 |
| Countries with Megacities | 0 | - | 4.99 | 249,165 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,248 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,609 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,569 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,573 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,067 |
| Cities by Famous Street | 0 | - | 3.96 | 48,285 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,097 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,512 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,638 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,072 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,092 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,356 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,225 |
| Countries by Capital City | 0 | - | 5.00 | 67,532 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,775 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,276 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,730 |
| Moved Capital Cities | 0 | - | 4.96 | 73,904 |
| Countries by Official Language | 0 | - | 4.95 | 194,070 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,831 |
| Countries in their Native Language | 0 | - | 4.99 | 197,682 |
| Independence from Whom | 0 | - | 4.99 | 210,869 |
| Subdivisions by Country | 0 | - | 4.86 | 50,212 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,388 |
| Megadiverse Countries | 0 | - | 4.96 | 134,566 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,893 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,088 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,642 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,955 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,468 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,244 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,645 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,570 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,387 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,811 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,331 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,594 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,697 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,662 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,873 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,221 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,371,161 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,646 |
| World Map Quiz | 0 | - | 4.81 | 64,139 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,730 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,098 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,692 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,423 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,765 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,297 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,485 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,650 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,159 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,661 |
| Widest Countries East to West | 0 | - | 4.92 | 129,167 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,334 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,693 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,935 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,971 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,002 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,384 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,125 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,681 |
| Countries with Double Letters | 0 | - | 4.96 | 94,216 |
| Countries that End in N | 0 | - | 4.95 | 167,359 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,680 |
| Countries with Six Letters | 0 | - | 4.93 | 211,211 |
| Countries with W | 0 | - | 4.97 | 158,894 |
| Countries with Z | 0 | - | 4.98 | 288,875 |
| Countries with Letters Missing | 0 | - | 4.97 | 185,103 |
| Countries That End in U | 0 | - | 4.95 | 119,976 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,214 |
| Countries that End in O | 0 | - | 4.92 | 158,903 |
| Countries that End in R | 0 | - | 4.87 | 118,537 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,306 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,815 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,783 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,840 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,414 |
| Countries That End in Y | 0 | - | 4.90 | 185,452 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,885 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,117 |
| Countries that End in I | 0 | - | 4.94 | 134,696 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,735 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,424 |
| Countries That End in NIA | 0 | - | 4.92 | 109,314 |
| Countries That End in BIA | 0 | - | 4.93 | 148,601 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,452 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,798 |
| Countries That End in RIA | 0 | - | 4.93 | 126,363 |
