| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,973 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 153,694 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 42,594 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,186 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,889 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,343,791 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,628 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,844 |
| Countries by Emojis | 0 | - | 4.99 | 238,856 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,744 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,924 |
| Countries that Start with A | 0 | - | 4.98 | 2,159,324 |
| Countries that Start with B | 0 | - | 4.95 | 2,291,295 |
| Countries that Start with C | 0 | - | 4.96 | 1,819,522 |
| Countries that Start with D | 0 | - | 4.96 | 707,848 |
| Countries that Start with E | 0 | - | 4.95 | 1,375,103 |
| Countries that Start with G | 0 | - | 4.97 | 1,500,781 |
| Countries that Start with H | 0 | - | 4.96 | 603,296 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,384 |
| Countries that Start with J | 0 | - | 4.98 | 601,126 |
| Countries that Start with K | 0 | - | 4.97 | 814,420 |
| Countries that Start with L | 0 | - | 4.98 | 1,089,115 |
| Countries that Start with N | 0 | - | 4.93 | 1,116,075 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,568 |
| Countries that Start with S | 0 | - | 4.98 | 1,752,653 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,627 |
| Countries that Start with U | 0 | - | 4.97 | 903,486 |
| Countries that Start with V | 0 | - | 4.98 | 608,535 |
| Countries that Start with F | 0 | - | 4.83 | 616,441 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,863 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,645 |
| Landlocked Countries | 0 | - | 4.99 | 419,095 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,089 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,963 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,148 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,655 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,317 |
| Orthodox Countries | 0 | - | 4.92 | 131,359 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,521 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,091 |
| Battle to Country | 0 | - | 4.91 | 53,175 |
| Monarchies of Europe | 0 | - | 4.90 | 97,985 |
| Monarchies of Asia | 0 | - | 4.97 | 70,998 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,789 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,001 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,757,615 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,512 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,007 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,143 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,673 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,714 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,768 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,072 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,410 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 132,568 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,987 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 130,487 |
| Companies by Country | 0 | - | 4.61 | 119,494 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,965 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,825 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,877 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,150 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,812 |
| Name a Valid African Country | 0 | - | 4.98 | 153,828 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,109 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,643 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,174 |
| Island Countries | 0 | - | 4.99 | 709,817 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,045 |
| Himalayan Countries | 0 | - | 4.94 | 137,491 |
| Andean Countries | 0 | - | 4.95 | 83,972 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,245 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,704 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,857 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,367 |
| Danube Countries | 0 | - | 4.97 | 71,680 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,576 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,067 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,679 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,752 |
| European Landlocked Countries | 0 | - | 4.99 | 146,792 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,157 |
| Countries with the Most Species | 0 | - | 4.99 | 102,924 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,290 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,436 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,596 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,317 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,000 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,373 |
| Countries in the Alps | 0 | - | 4.87 | 117,707 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,151 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,393 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,431 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,007 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,113 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,686 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,297 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,200 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,975 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,564 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,491 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,343 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,943 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,198 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,220 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,215 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,073 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,581 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,546 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,452 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,261 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,011 |
| Largest Countries By Category | 0 | - | 4.97 | 157,661 |
| Countries by Countries | 0 | - | 4.96 | 62,852 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,987 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,233 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,166 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,335 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,193 |
| Northernmost Countries | 0 | - | 4.99 | 360,539 |
| Political Movements by Country | 0 | - | 4.46 | 72,473 |
| Countries of South America | 0 | - | 5.00 | 923,075 |
| Countries of Oceania | 0 | - | 5.00 | 1,051,281 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,866,757 |
| One Country By Letter By Continent | 0 | - | 5.00 | 123,469 |
| "Land" Countries | 0 | - | 4.98 | 335,826 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,569 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,145 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,506 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,235 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,725 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,498 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,786 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,071 |
| Countries with Megacities | 0 | - | 4.99 | 260,724 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,930 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,017 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,203 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,030 |
| Countries by Official Language | 0 | - | 4.95 | 194,657 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,572 |
| Countries in their Native Language | 0 | - | 4.99 | 198,211 |
| Independence from Whom | 0 | - | 4.99 | 211,347 |
| Subdivisions by Country | 0 | - | 4.86 | 50,292 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,733 |
| Countries in World War I | 0 | - | 4.88 | 227,863 |
| Megadiverse Countries | 0 | - | 4.96 | 134,779 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,747 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,562 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,188 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,760 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,021 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,725 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,390 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,999 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,850 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,491 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,996 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,023 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,725 |
| Hindu Countries | 0 | - | 4.86 | 50,023 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,003 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,788 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,163 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,331 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,231 |
| World Map Quiz | 0 | - | 4.81 | 64,547 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,673 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,046 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,530 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,937 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,655 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,360 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,528 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,682 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,839 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,270 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,295 |
| Widest Countries East to West | 0 | - | 4.92 | 129,387 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,386 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,969 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,997 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,517 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,231 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,562 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,241 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,729 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,587 |
| Countries with Double Letters | 0 | - | 4.97 | 95,116 |
| Countries that End in N | 0 | - | 4.95 | 170,036 |
| Countries with Five Letters | 0 | - | 4.96 | 280,357 |
| Countries with Six Letters | 0 | - | 4.94 | 212,514 |
| Countries with W | 0 | - | 4.97 | 159,533 |
| Countries with Z | 0 | - | 4.98 | 289,836 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,764 |
| Countries That End in U | 0 | - | 4.95 | 120,420 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,772 |
| Countries that End in O | 0 | - | 4.92 | 159,206 |
| Countries that End in R | 0 | - | 4.87 | 118,739 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,517 |
