| Who Controls It? #1 | 0 | - | 4.83 | 47,160 |
| Subdivisions by Country | 0 | - | 4.86 | 48,551 |
| Regions of Countries #4 | 0 | - | 4.50 | 55,601 |
| Boundary Waters | 0 | - | 4.93 | 85,420 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 32,987 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 91,347 |
| Who Controls It? #2 | 0 | - | 4.77 | 29,538 |
| Who Controls It? #3 | 0 | - | 4.69 | 18,945 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 383,202 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,355,910 |
| World Geography on a Map #1 | 0 | - | 4.94 | 70,959 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 146,717 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 117,559 |
| Sahara Desert Countries | 0 | - | 4.97 | 145,737 |
| Himalayan Countries | 0 | - | 4.94 | 122,389 |
| Andean Countries | 0 | - | 4.93 | 68,793 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 56,755 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 113,201 |
| Coffee Producing Countries | 0 | - | 4.83 | 59,968 |
| Countries with Shrinking Populations | 0 | - | 4.92 | 59,360 |
| Danube Countries | 0 | - | 4.97 | 60,876 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 96,909 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 81,930 |
| Countries with the Best Passports | 0 | - | 4.82 | 80,798 |
| Countries with the Worst Passports | 0 | - | 4.90 | 70,186 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 138,330 |
| European Landlocked Countries | 0 | - | 4.99 | 141,052 |
| Partially Recognized Countries | 0 | - | 4.98 | 98,165 |
| Countries with the Most Species | 0 | - | 4.99 | 92,359 |
| Countries 197 to 205 | 0 | - | 4.87 | 63,543 |
| Tropic of Cancer Countries | 0 | - | 4.95 | 46,706 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,804 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 52,600 |
| Countries that Use the Peso | 0 | - | 4.88 | 56,380 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,965 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 53,684 |
| Countries in the Alps | 0 | - | 4.86 | 110,489 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 90,763 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 97,895 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 75,419 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 83,788 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 110,670 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,979 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 95,047 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,876 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,993 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,827 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 72,751 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 51,284 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 39,112 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 100,179 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,866 |
| Countries with the Most Grassland | 0 | - | 4.93 | 73,565 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 109,099 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,842 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,772 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 222,274 |
| World Countries - Blind Typing | 0 | - | 5.00 | 95,223 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 45,138 |
| Largest Countries By Category | 0 | - | 4.97 | 151,458 |
| Countries by Countries | 0 | - | 4.96 | 58,490 |
| Country Flags with the Most White | 0 | - | 4.87 | 132,121 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,674 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 46,337 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 83,982 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 140,681 |
| Western Europe Map Quiz | 0 | - | 4.87 | 91,691 |
| Tourist Attraction by Negative Review | 0 | - | 4.91 | 63,433 |
| Most Populous City by U.S. County | 0 | - | 4.38 | 19,381 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 55,613 |
| All Counties of the United States by Proximity | 0 | - | 4.98 | 289,664 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 198,014 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 115,101 |
| Longest International Borders | 0 | - | 4.99 | 243,772 |
| Countries with Three Borders | 0 | - | 4.96 | 34,298 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 39,370 |
| Largest Cities for each Latitude Degree | 0 | - | 5.00 | 44,736 |
| Demonym of Every Country | 0 | - | 4.92 | 55,057 |
| World Capitals Quiz | 0 | - | 5.00 | 4,809,070 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,409,430 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,477,722 |
| Pacific Ocean General Knowledge | 0 | - | 4.64 | 35,664 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,491,687 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 360,372 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 382,582 |
| Island Countries Quiz | 0 | - | 4.99 | 691,107 |
| Biggest Countries by Area | 0 | - | 5.00 | 990,288 |
| Northernmost Countries | 0 | - | 4.99 | 342,846 |
| Countries of South America | 0 | - | 5.00 | 863,664 |
| Countries of Oceania | 0 | - | 5.00 | 976,662 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,732,679 |
| Top World Languages | 0 | - | 4.91 | 769,638 |
| Analogies of Countries #1 | 0 | - | 4.88 | 66,509 |
| Globe Grid | 0 | - | 4.31 | 31,694 |
| Largest Deserts in the World | 0 | - | 4.02 | 42,660 |
| World Map Divided into Regions | 0 | - | 4.17 | 39,077 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 99,299 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 159,109 |
| Countries with Megacities | 0 | - | 4.99 | 218,372 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 186,956 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 106,349 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 126,828 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 73,358 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 270,239 |
| Global Cities on a World Map | 0 | - | 4.94 | 97,461 |
| Northernmost Capital Cities | 0 | - | 4.98 | 102,380 |
| Most Remote Capital Cities | 0 | - | 4.90 | 48,718 |
| Capital Cities: Ports and Saints | 0 | - | 4.95 | 39,982 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 100,565 |
| Same Letter Country and Capital | 0 | - | 4.99 | 138,490 |
| Countries by Capital City | 0 | - | 5.00 | 59,006 |
| Capital Cities Based on First Two Letters | 0 | - | 4.86 | 71,735 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 110,062 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 79,191 |
| Moved Capital Cities | 0 | - | 4.95 | 70,644 |
| Countries by Official Language | 0 | - | 4.95 | 184,233 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 282,296 |
| Countries in their Native Language | 0 | - | 4.98 | 189,001 |
| Independence from Whom | 0 | - | 4.99 | 200,028 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 123,866 |
| Megadiverse Countries | 0 | - | 4.96 | 130,544 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 122,296 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 121,908 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 49,347 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 155,557 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 59,517 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 86,907 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 149,354 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 80,493 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,439 |
| Countries by Sports League Revenue | 0 | - | 4.93 | 67,649 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,902 |
| Countries Furthest from the United States | 0 | - | 4.95 | 86,008 |
| Countries with the Highest HDI | 0 | - | 4.95 | 134,254 |
| Straight Shot to the Arctic Circle | 0 | - | 4.89 | 72,201 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 68,682 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,259,767 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 98,366 |
| World Map Quiz | 0 | - | 4.88 | 57,809 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 135,406 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 86,819 |
| Southernmost Countries of the World | 0 | - | 4.99 | 218,754 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 98,834 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 116,683 |
| Countries With the Most Languages | 0 | - | 4.89 | 189,475 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 92,590 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 88,668 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 93,667 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 58,427 |
| Tallest Countries North to South | 0 | - | 4.85 | 115,693 |
| Widest Countries East to West | 0 | - | 4.92 | 124,836 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,215 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 180,274 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,498 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 90,351 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 125,524 |
| Countries with the Most Desert | 0 | - | 4.93 | 123,438 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,058 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 33,585 |
| Countries with Double Letters | 0 | - | 4.96 | 82,587 |
| Countries that End in N | 0 | - | 4.94 | 146,484 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 246,471 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 200,870 |
| Countries with W | 0 | - | 4.97 | 149,956 |
| Countries with Z | 0 | - | 4.98 | 276,400 |
| Countries with Letters Missing | 0 | - | 4.97 | 176,760 |
| Countries That End in U | 0 | - | 4.95 | 114,512 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 100,857 |
| Countries that End in O | 0 | - | 4.92 | 154,596 |
| Countries that End in R | 0 | - | 4.84 | 100,066 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 152,041 |
| Countries Ending in "IA" | 0 | - | 4.99 | 198,402 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 163,510 |
| Countries by Last Two Letters | 0 | - | 4.87 | 121,986 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 135,752 |
| Countries That End in Y | 0 | - | 4.91 | 182,233 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 189,453 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 127,726 |
| Countries that End in I | 0 | - | 4.92 | 117,529 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 158,582 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 92,306 |
| Countries That End in NIA | 0 | - | 4.92 | 105,222 |
| Countries That End in BIA | 0 | - | 4.92 | 142,879 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 161,412 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 114,891 |
| Countries That End in RIA | 0 | - | 4.89 | 105,597 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 106,043 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 215,648 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 127,442 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 119,307 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 85,155 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 71,302 |
| Countries With One Word and Three A's | 0 | - | 4.94 | 48,732 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 98,241 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 120,161 |
| Countries that are Free from U.S.A. | 0 | - | 4.87 | 46,366 |
| Countries with the Word "And" | 0 | - | 4.98 | 90,008 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 47,946 |
| Countries that End in L | 0 | - | 4.94 | 151,936 |
| "Land" Countries | 0 | - | 4.98 | 299,885 |