| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,975 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 153,696 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 42,598 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,186 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,892 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,344,896 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,650 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,850 |
| Countries by Emojis | 0 | - | 4.99 | 238,870 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,747 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,926 |
| Countries that Start with A | 0 | - | 4.98 | 2,159,359 |
| Countries that Start with B | 0 | - | 4.95 | 2,291,326 |
| Countries that Start with C | 0 | - | 4.96 | 1,819,545 |
| Countries that Start with D | 0 | - | 4.96 | 707,866 |
| Countries that Start with E | 0 | - | 4.95 | 1,375,124 |
| Countries that Start with G | 0 | - | 4.97 | 1,500,812 |
| Countries that Start with H | 0 | - | 4.96 | 603,309 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,398 |
| Countries that Start with J | 0 | - | 4.98 | 601,138 |
| Countries that Start with K | 0 | - | 4.97 | 814,441 |
| Countries that Start with L | 0 | - | 4.98 | 1,089,132 |
| Countries that Start with N | 0 | - | 4.93 | 1,116,091 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,587 |
| Countries that Start with S | 0 | - | 4.98 | 1,752,672 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,641 |
| Countries that Start with U | 0 | - | 4.97 | 903,495 |
| Countries that Start with V | 0 | - | 4.98 | 608,542 |
| Countries that Start with F | 0 | - | 4.83 | 616,454 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,875 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,646 |
| Landlocked Countries | 0 | - | 4.99 | 419,120 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,091 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,965 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,152 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,659 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,317 |
| Orthodox Countries | 0 | - | 4.92 | 131,361 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,521 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,093 |
| Battle to Country | 0 | - | 4.91 | 53,178 |
| Monarchies of Europe | 0 | - | 4.90 | 97,986 |
| 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 | 103,003 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,757,727 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,515 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,008 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,144 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,674 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,718 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,770 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,080 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,416 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 132,655 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,989 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 130,492 |
| Companies by Country | 0 | - | 4.61 | 119,496 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,968 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,826 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,879 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,159 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,813 |
| Name a Valid African Country | 0 | - | 4.98 | 153,829 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,127 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,649 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,180 |
| Island Countries | 0 | - | 4.99 | 709,827 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,055 |
| Himalayan Countries | 0 | - | 4.94 | 137,497 |
| Andean Countries | 0 | - | 4.95 | 83,974 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,249 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,710 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,863 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,372 |
| Danube Countries | 0 | - | 4.97 | 71,682 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,581 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,071 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,684 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,754 |
| European Landlocked Countries | 0 | - | 4.99 | 146,793 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,160 |
| Countries with the Most Species | 0 | - | 4.99 | 102,926 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,294 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,436 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,597 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,319 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,001 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,373 |
| Countries in the Alps | 0 | - | 4.87 | 117,709 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,152 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,397 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,431 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,014 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,119 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,696 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,301 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,203 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,975 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,571 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,495 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,344 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,945 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,202 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,223 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,218 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,076 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,582 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,551 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,458 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,264 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,011 |
| Largest Countries By Category | 0 | - | 4.97 | 157,663 |
| Countries by Countries | 0 | - | 4.96 | 62,853 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,376,030 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,234 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,168 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,337 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,214 |
| Northernmost Countries | 0 | - | 4.99 | 360,549 |
| Political Movements by Country | 0 | - | 4.46 | 72,473 |
| Countries of South America | 0 | - | 5.00 | 923,098 |
| Countries of Oceania | 0 | - | 5.00 | 1,051,306 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,866,814 |
| One Country By Letter By Continent | 0 | - | 5.00 | 123,472 |
| "Land" Countries | 0 | - | 4.98 | 335,830 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,583 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,152 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,508 |
| 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 | 1,443,517 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,788 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,076 |
| Countries with Megacities | 0 | - | 4.99 | 260,817 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,932 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,018 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,207 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,034 |
| Countries by Official Language | 0 | - | 4.95 | 194,659 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,574 |
| Countries in their Native Language | 0 | - | 4.99 | 198,214 |
| Independence from Whom | 0 | - | 4.99 | 211,349 |
| Subdivisions by Country | 0 | - | 4.86 | 50,294 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,736 |
| Countries in World War I | 0 | - | 4.88 | 227,867 |
| Megadiverse Countries | 0 | - | 4.96 | 134,780 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,749 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,565 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,191 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,762 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,022 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,727 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,390 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,001 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,851 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,492 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,996 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,025 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,726 |
| 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 | 136,789 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,163 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,332 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,236 |
| World Map Quiz | 0 | - | 4.81 | 64,563 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,683 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,047 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,535 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,940 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,658 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,364 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,533 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,687 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,841 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,273 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,297 |
| Widest Countries East to West | 0 | - | 4.92 | 129,390 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,387 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,972 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,998 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,522 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,234 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,562 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,242 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,729 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,590 |
| Countries with Double Letters | 0 | - | 4.97 | 95,117 |
| Countries that End in N | 0 | - | 4.95 | 170,039 |
| Countries with Five Letters | 0 | - | 4.96 | 280,379 |
| Countries with Six Letters | 0 | - | 4.94 | 212,516 |
| Countries with W | 0 | - | 4.97 | 159,535 |
| Countries with Z | 0 | - | 4.98 | 289,840 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,765 |
| Countries That End in U | 0 | - | 4.95 | 120,420 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,774 |
| Countries that End in O | 0 | - | 4.92 | 159,208 |
| Countries that End in R | 0 | - | 4.87 | 118,739 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,518 |
