| Flags of the Countries that Start with C | 0 | - | 4.88 | 130,565 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 154,487 |
| Flags of the Countries that Start with B | 0 | - | 4.97 | 43,427 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,782 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,867 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,783,990 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,194 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,426 |
| Countries by Emojis | 0 | - | 4.99 | 241,458 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,446 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,934 |
| Countries that Start with A | 0 | - | 4.98 | 2,172,963 |
| Countries that Start with B | 0 | - | 4.95 | 2,303,962 |
| Countries that Start with C | 0 | - | 4.96 | 1,829,510 |
| Countries that Start with D | 0 | - | 4.96 | 715,010 |
| Countries that Start with E | 0 | - | 4.95 | 1,383,450 |
| Countries that Start with G | 0 | - | 4.97 | 1,509,788 |
| Countries that Start with H | 0 | - | 4.96 | 608,582 |
| Countries that Start with I | 0 | - | 4.92 | 1,293,280 |
| Countries that Start with J | 0 | - | 4.98 | 606,026 |
| Countries that Start with K | 0 | - | 4.97 | 819,756 |
| Countries that Start with L | 0 | - | 4.98 | 1,095,530 |
| Countries that Start with N | 0 | - | 4.93 | 1,122,557 |
| Countries that Start with P | 0 | - | 4.94 | 1,220,830 |
| Countries that Start with S | 0 | - | 4.98 | 1,761,423 |
| Countries that Start with T | 0 | - | 4.90 | 1,013,907 |
| Countries that Start with U | 0 | - | 4.97 | 907,713 |
| Countries that Start with V | 0 | - | 4.98 | 611,442 |
| Countries that Start with F | 0 | - | 4.83 | 620,538 |
| Countries that Start with M | 0 | - | 4.97 | 1,386,912 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,188 |
| Landlocked Countries | 0 | - | 4.99 | 424,568 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,959 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,555 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,233 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,007 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,814 |
| Orthodox Countries | 0 | - | 4.92 | 132,654 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,266 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,538 |
| Battle to Country | 0 | - | 4.91 | 53,841 |
| Monarchies of Europe | 0 | - | 4.90 | 98,714 |
| Monarchies of Asia | 0 | - | 4.97 | 71,427 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,214 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,452 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,796,493 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,372 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,591 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,668 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,516 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,309 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,968 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,412 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,164 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,787 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,705 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,566 |
| Companies by Country | 0 | - | 4.61 | 120,074 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,695 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,647 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,673 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,003 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,641 |
| Name a Valid African Country | 0 | - | 4.98 | 154,868 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,462 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,319 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,996 |
| Island Countries | 0 | - | 4.99 | 712,096 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,653 |
| Himalayan Countries | 0 | - | 4.94 | 139,786 |
| Andean Countries | 0 | - | 4.94 | 85,191 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,373 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,656 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,938 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,231 |
| Danube Countries | 0 | - | 4.97 | 72,274 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,422 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,711 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,861 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,362 |
| European Landlocked Countries | 0 | - | 4.99 | 147,462 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,094 |
| Countries with the Most Species | 0 | - | 4.99 | 103,489 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,241 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,710 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,823 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,750 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,482 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,907 |
| Countries in the Alps | 0 | - | 4.87 | 118,587 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,327 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,605 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,876 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,895 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,821 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,139 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,246 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,768 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,339 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,069 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,796 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,664 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,453 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,690 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,778 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,533 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,528 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,546 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,497 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,219 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,851 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,431 |
| Largest Countries By Category | 0 | - | 4.97 | 158,666 |
| Countries by Countries | 0 | - | 4.96 | 63,512 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,390,833 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,103 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,362 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,989 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,053,327 |
| Northernmost Countries | 0 | - | 4.99 | 363,422 |
| Political Movements by Country | 0 | - | 4.46 | 72,718 |
| Countries of South America | 0 | - | 5.00 | 930,963 |
| Countries of Oceania | 0 | - | 5.00 | 1,061,344 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,885,536 |
| One Country By Letter By Continent | 0 | - | 5.00 | 125,265 |
| "Land" Countries | 0 | - | 4.98 | 338,069 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 92,446 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,828 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,766 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,529 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,203 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,329 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,029 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,827 |
| Countries with Megacities | 0 | - | 4.99 | 266,447 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,534 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,924 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,835 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,043 |
| Countries by Official Language | 0 | - | 4.95 | 195,780 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,319 |
| Countries in their Native Language | 0 | - | 4.99 | 199,562 |
| Independence from Whom | 0 | - | 4.99 | 212,783 |
| Subdivisions by Country | 0 | - | 4.87 | 50,571 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,240 |
| Countries in World War I | 0 | - | 4.88 | 228,947 |
| Megadiverse Countries | 0 | - | 4.96 | 135,199 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,900 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,767 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,484 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,386 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,184 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,447 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,768 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,930 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,511 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,782 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,224 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,220 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,314 |
| Hindu Countries | 0 | - | 4.87 | 50,509 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,379 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,106 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,517 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,636 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,047 |
| World Map Quiz | 0 | - | 4.81 | 65,469 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,647 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,591 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,008 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,952 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,439 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,245 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,294 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,417 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,609 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,622 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,179 |
| Widest Countries East to West | 0 | - | 4.92 | 130,330 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,565 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,113 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,471 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,985 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,872 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,368 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,468 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,866 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,674 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,721 |
| Countries with Double Letters | 0 | - | 4.96 | 96,823 |
| Countries that End in N | 0 | - | 4.95 | 171,700 |
| Countries with Five Letters | 0 | - | 4.96 | 283,411 |
| Countries with Six Letters | 0 | - | 4.94 | 214,182 |
| Countries with W | 0 | - | 4.96 | 160,757 |
| Countries with Z | 0 | - | 4.98 | 292,149 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,108 |
| Countries That End in U | 0 | - | 4.95 | 121,082 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 134,920 |
| Countries that End in O | 0 | - | 4.92 | 159,729 |
| Countries that End in R | 0 | - | 4.87 | 119,116 |
