| Countries of the World Quiz | 0 | - | 5.00 | 47,456,821 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,354 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,205 |
| Top World Languages | 0 | - | 4.92 | 822,186 |
| Places in their Native Language #1 | 0 | - | 4.85 | 241,926 |
| Busiest Airports in Europe | 0 | - | 4.91 | 146,221 |
| World's Busiest Airports | 0 | - | 4.96 | 233,597 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 135,829 |
| Countries with the Most Airports | 0 | - | 4.96 | 98,866 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 125,492 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 121,344 |
| Airport Codes Quiz #1 | 0 | - | 4.82 | 215,043 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 38,362 |
| Airline Logos | 0 | - | 4.45 | 140,737 |
| Boundary Waters | 0 | - | 4.92 | 88,466 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,163 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,090 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,409 |
| World Currency Quiz | 0 | - | 4.92 | 303,059 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,921 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,968 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,137 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,768 |
| Places in their Native Language #2 | 0 | - | 4.80 | 134,279 |
| Busiest Airports in the United States | 0 | - | 4.54 | 135,583 |
| Landlocked Countries | 0 | - | 4.99 | 420,492 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,088 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,361 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,602 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,949 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,174 |
| Cities by Airports | 0 | - | 4.49 | 88,725 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,580 |
| World Capitals Quiz | 0 | - | 5.00 | 5,073,636 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,694 |
| Himalayan Countries | 0 | - | 4.95 | 138,077 |
| Andean Countries | 0 | - | 4.95 | 84,261 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,483 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,313 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,114 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,557 |
| Danube Countries | 0 | - | 4.97 | 71,829 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,787 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,230 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,961 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,414 |
| European Landlocked Countries | 0 | - | 4.99 | 146,962 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,371 |
| Countries with the Most Species | 0 | - | 4.99 | 103,088 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,528 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,503 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,658 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,443 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,113 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,503 |
| Countries in the Alps | 0 | - | 4.87 | 117,955 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 82,074 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,375 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,696 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,547 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,449 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,305 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,831 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,466 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,336 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,074 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,701 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,564 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,418 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,067 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,349 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,363 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,530 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,177 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,687 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,822 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,153 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,658 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,104 |
| Largest Countries By Category | 0 | - | 4.97 | 157,925 |
| Countries by Countries | 0 | - | 4.97 | 63,008 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,215 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,502 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,767,389 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,920 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,557 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,795 |
| Demonyms Quiz | 0 | - | 4.15 | 185,194 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,441 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,580 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,184 |
| Longest International Borders | 0 | - | 4.99 | 264,935 |
| Countries with Three Borders | 0 | - | 4.96 | 36,532 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,011 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,131 |
| Demonym of Every Country | 0 | - | 4.91 | 60,120 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,314 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,260 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,586,334 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,032 |
| Island Countries | 0 | - | 4.99 | 710,368 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,047,833 |
| Northernmost Countries | 0 | - | 4.99 | 361,211 |
| Countries of South America | 0 | - | 5.00 | 925,047 |
| Countries of Oceania | 0 | - | 5.00 | 1,053,985 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,871,807 |
| "Land" Countries | 0 | - | 4.98 | 336,341 |
| Airports Named for People #1 | 0 | - | 4.44 | 55,910 |
| World's Biggest Airlines | 0 | - | 4.42 | 125,174 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,396 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,455 |
| Countries with Megacities | 0 | - | 4.99 | 263,384 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,293 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,240 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,589 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,281 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,113 |
| Cities by Famous Street | 0 | - | 3.96 | 48,320 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,129 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,119 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,245 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,400 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,492 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,224 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,983 |
| Countries by Capital City | 0 | - | 5.00 | 68,270 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,162 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,644 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,195 |
| Moved Capital Cities | 0 | - | 4.96 | 74,205 |
| Countries by Official Language | 0 | - | 4.95 | 194,929 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,944 |
| Countries in their Native Language | 0 | - | 4.99 | 198,453 |
| Independence from Whom | 0 | - | 4.99 | 211,710 |
| Subdivisions by Country | 0 | - | 4.86 | 50,360 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,981 |
| Megadiverse Countries | 0 | - | 4.96 | 134,880 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,793 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,257 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,846 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,059 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,909 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,478 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,215 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,936 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,565 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,041 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,339 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,794 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,093 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,869 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,253 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,416 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,379,590 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,663 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,196 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,781 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,093 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,828 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,770 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,717 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,851 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,094 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,352 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,432 |
| Widest Countries East to West | 0 | - | 4.92 | 129,501 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,415 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,161 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,061 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,639 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,411 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,703 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,310 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,764 |
| Countries with Double Letters | 0 | - | 4.97 | 95,397 |
| Countries that End in N | 0 | - | 4.95 | 170,433 |
| Countries with Five Letters | 0 | - | 4.96 | 281,374 |
| Countries with Six Letters | 0 | - | 4.94 | 212,842 |
| Countries with W | 0 | - | 4.97 | 159,730 |
| Countries with Z | 0 | - | 4.98 | 290,648 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,995 |
| Countries That End in U | 0 | - | 4.95 | 120,528 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,010 |
| Countries that End in O | 0 | - | 4.92 | 159,293 |
| Countries that End in R | 0 | - | 4.87 | 118,810 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,581 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,626 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,338 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,225 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,841 |
| Countries That End in Y | 0 | - | 4.91 | 185,731 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,542 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,624 |
| Countries that End in I | 0 | - | 4.94 | 134,961 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,740 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,672 |
| Countries That End in NIA | 0 | - | 4.92 | 109,633 |
| Countries That End in BIA | 0 | - | 4.93 | 148,987 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,885 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,213 |
