| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,973 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 153,692 |
| 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 | 175,886 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,343,139 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,614 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,841 |
| Countries by Emojis | 0 | - | 4.99 | 238,849 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,742 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,922 |
| Countries that Start with A | 0 | - | 4.98 | 2,159,294 |
| Countries that Start with B | 0 | - | 4.95 | 2,291,263 |
| Countries that Start with C | 0 | - | 4.96 | 1,819,499 |
| Countries that Start with D | 0 | - | 4.96 | 707,833 |
| Countries that Start with E | 0 | - | 4.95 | 1,375,079 |
| Countries that Start with G | 0 | - | 4.97 | 1,500,767 |
| Countries that Start with H | 0 | - | 4.96 | 603,279 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,368 |
| Countries that Start with J | 0 | - | 4.98 | 601,111 |
| Countries that Start with K | 0 | - | 4.97 | 814,393 |
| Countries that Start with L | 0 | - | 4.98 | 1,089,097 |
| Countries that Start with N | 0 | - | 4.93 | 1,116,055 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,552 |
| Countries that Start with S | 0 | - | 4.98 | 1,752,638 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,620 |
| Countries that Start with U | 0 | - | 4.97 | 903,478 |
| Countries that Start with V | 0 | - | 4.98 | 608,528 |
| Countries that Start with F | 0 | - | 4.83 | 616,433 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,848 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,644 |
| Landlocked Countries | 0 | - | 4.99 | 419,087 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,088 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,963 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,145 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,654 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,317 |
| Orthodox Countries | 0 | - | 4.92 | 131,356 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,520 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,091 |
| Battle to Country | 0 | - | 4.91 | 53,174 |
| Monarchies of Europe | 0 | - | 4.90 | 97,985 |
| Monarchies of Asia | 0 | - | 4.97 | 70,997 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,789 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,000 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,757,565 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,512 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,005 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,141 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,672 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,710 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,767 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,066 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,409 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 132,518 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,986 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 130,486 |
| Companies by Country | 0 | - | 4.61 | 119,492 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,964 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,825 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,875 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,146 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,812 |
| Name a Valid African Country | 0 | - | 4.98 | 153,827 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,102 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,638 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,173 |
| Island Countries | 0 | - | 4.99 | 709,813 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,041 |
| Himalayan Countries | 0 | - | 4.94 | 137,487 |
| Andean Countries | 0 | - | 4.95 | 83,969 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,245 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,700 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,854 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,366 |
| Danube Countries | 0 | - | 4.97 | 71,679 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,574 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,067 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,676 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,751 |
| European Landlocked Countries | 0 | - | 4.99 | 146,791 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,154 |
| Countries with the Most Species | 0 | - | 4.99 | 102,923 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,287 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,436 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,595 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,315 |
| 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 | 117,706 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,151 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,388 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,429 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,006 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,112 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,676 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,296 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,198 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,975 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,561 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,489 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,343 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,942 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,198 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,219 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,213 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,072 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,580 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,539 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,446 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,257 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,010 |
| Largest Countries By Category | 0 | - | 4.97 | 157,660 |
| Countries by Countries | 0 | - | 4.96 | 62,851 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,965 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,231 |
| 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 | 1,046,180 |
| Northernmost Countries | 0 | - | 4.99 | 360,534 |
| Political Movements by Country | 0 | - | 4.46 | 72,473 |
| Countries of South America | 0 | - | 5.00 | 923,066 |
| Countries of Oceania | 0 | - | 5.00 | 1,051,250 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,866,733 |
| One Country By Letter By Continent | 0 | - | 5.00 | 123,468 |
| "Land" Countries | 0 | - | 4.98 | 335,824 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,565 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,144 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,504 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,234 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,724 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,479 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,782 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,066 |
| Countries with Megacities | 0 | - | 4.99 | 260,669 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,927 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,016 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,200 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,024 |
| Countries by Official Language | 0 | - | 4.95 | 194,655 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,567 |
| Countries in their Native Language | 0 | - | 4.99 | 198,209 |
| Independence from Whom | 0 | - | 4.99 | 211,346 |
| Subdivisions by Country | 0 | - | 4.86 | 50,292 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,732 |
| Countries in World War I | 0 | - | 4.88 | 227,862 |
| Megadiverse Countries | 0 | - | 4.96 | 134,777 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,743 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,560 |
| 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 | 75,020 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,723 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,389 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,996 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,849 |
| 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 | 77,017 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,724 |
| Hindu Countries | 0 | - | 4.86 | 50,022 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,001 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,787 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,161 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,330 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,228 |
| World Map Quiz | 0 | - | 4.81 | 64,546 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,666 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,046 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,529 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,936 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,653 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,357 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,527 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,680 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,838 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,269 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,295 |
| Widest Countries East to West | 0 | - | 4.92 | 129,386 |
| 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 | 97,996 |
| 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 | 77,240 |
| 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 | 95,115 |
| Countries that End in N | 0 | - | 4.95 | 170,033 |
| Countries with Five Letters | 0 | - | 4.96 | 280,350 |
| Countries with Six Letters | 0 | - | 4.94 | 212,511 |
| Countries with W | 0 | - | 4.97 | 159,531 |
| Countries with Z | 0 | - | 4.98 | 289,833 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,763 |
| Countries That End in U | 0 | - | 4.95 | 120,420 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,771 |
| Countries that End in O | 0 | - | 4.92 | 159,204 |
| Countries that End in R | 0 | - | 4.87 | 118,739 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,517 |
