| 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 | 47,782,960 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,178 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,423 |
| Countries by Emojis | 0 | - | 4.99 | 241,451 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,445 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,933 |
| Countries that Start with A | 0 | - | 4.98 | 2,172,927 |
| Countries that Start with B | 0 | - | 4.95 | 2,303,916 |
| Countries that Start with C | 0 | - | 4.96 | 1,829,474 |
| Countries that Start with D | 0 | - | 4.96 | 714,991 |
| Countries that Start with E | 0 | - | 4.95 | 1,383,428 |
| Countries that Start with G | 0 | - | 4.97 | 1,509,761 |
| Countries that Start with H | 0 | - | 4.96 | 608,569 |
| Countries that Start with I | 0 | - | 4.92 | 1,293,266 |
| Countries that Start with J | 0 | - | 4.98 | 606,007 |
| Countries that Start with K | 0 | - | 4.97 | 819,741 |
| Countries that Start with L | 0 | - | 4.98 | 1,095,519 |
| Countries that Start with N | 0 | - | 4.93 | 1,122,543 |
| Countries that Start with P | 0 | - | 4.94 | 1,220,817 |
| Countries that Start with S | 0 | - | 4.98 | 1,761,402 |
| Countries that Start with T | 0 | - | 4.90 | 1,013,898 |
| Countries that Start with U | 0 | - | 4.97 | 907,705 |
| Countries that Start with V | 0 | - | 4.98 | 611,438 |
| Countries that Start with F | 0 | - | 4.83 | 620,527 |
| Countries that Start with M | 0 | - | 4.97 | 1,386,896 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,186 |
| Landlocked Countries | 0 | - | 4.99 | 424,558 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,956 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,551 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,232 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,007 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,813 |
| Orthodox Countries | 0 | - | 4.92 | 132,651 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,265 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,537 |
| Battle to Country | 0 | - | 4.91 | 53,837 |
| Monarchies of Europe | 0 | - | 4.90 | 98,712 |
| Monarchies of Asia | 0 | - | 4.97 | 71,426 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,213 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,452 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,796,430 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,371 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,587 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,666 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,516 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,304 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,964 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,408 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,161 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,782 |
| 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 | 193,694 |
| 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 | 263,997 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,641 |
| Name a Valid African Country | 0 | - | 4.98 | 154,866 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,436 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,318 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,991 |
| Island Countries | 0 | - | 4.99 | 712,089 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,645 |
| Himalayan Countries | 0 | - | 4.94 | 139,781 |
| Andean Countries | 0 | - | 4.94 | 85,190 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,369 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,655 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,937 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,227 |
| Danube Countries | 0 | - | 4.97 | 72,274 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,420 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,709 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,859 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,361 |
| European Landlocked Countries | 0 | - | 4.99 | 147,459 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,092 |
| Countries with the Most Species | 0 | - | 4.99 | 103,489 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,239 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,710 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,822 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,750 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,481 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,907 |
| Countries in the Alps | 0 | - | 4.87 | 118,586 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,323 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,599 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,875 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,890 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,818 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,138 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,228 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,765 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,337 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,068 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,795 |
| 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 | 79,687 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,774 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,529 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,525 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,541 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,488 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,217 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,850 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,430 |
| Largest Countries By Category | 0 | - | 4.97 | 158,657 |
| Countries by Countries | 0 | - | 4.96 | 63,512 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,390,796 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,098 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,361 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,988 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,053,313 |
| Northernmost Countries | 0 | - | 4.99 | 363,420 |
| Political Movements by Country | 0 | - | 4.46 | 72,718 |
| Countries of South America | 0 | - | 5.00 | 930,951 |
| Countries of Oceania | 0 | - | 5.00 | 1,061,324 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,885,494 |
| One Country By Letter By Continent | 0 | - | 5.00 | 125,260 |
| "Land" Countries | 0 | - | 4.98 | 338,066 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 92,380 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,825 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,761 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,529 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,202 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,308 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,027 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,819 |
| Countries with Megacities | 0 | - | 4.99 | 266,433 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,530 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,921 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,823 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,040 |
| Countries by Official Language | 0 | - | 4.95 | 195,776 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,315 |
| Countries in their Native Language | 0 | - | 4.99 | 199,560 |
| Independence from Whom | 0 | - | 4.99 | 212,777 |
| Subdivisions by Country | 0 | - | 4.87 | 50,570 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,235 |
| Countries in World War I | 0 | - | 4.88 | 228,945 |
| Megadiverse Countries | 0 | - | 4.96 | 135,199 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,897 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,767 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,483 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,385 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,184 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,446 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,767 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,924 |
| 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 | 45,223 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,219 |
| 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 | 137,104 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,516 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,635 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,043 |
| World Map Quiz | 0 | - | 4.81 | 65,466 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,640 |
| 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 | 105,950 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,437 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,242 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,294 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,415 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,609 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,621 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,170 |
| Widest Countries East to West | 0 | - | 4.92 | 130,328 |
| 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 | 148,871 |
| 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 | 337,671 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,719 |
| Countries with Double Letters | 0 | - | 4.96 | 96,823 |
| Countries that End in N | 0 | - | 4.95 | 171,698 |
| Countries with Five Letters | 0 | - | 4.96 | 283,409 |
| Countries with Six Letters | 0 | - | 4.94 | 214,179 |
| Countries with W | 0 | - | 4.96 | 160,757 |
| Countries with Z | 0 | - | 4.98 | 292,145 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,104 |
| Countries That End in U | 0 | - | 4.95 | 121,081 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 134,918 |
| Countries that End in O | 0 | - | 4.92 | 159,729 |
| Countries that End in R | 0 | - | 4.87 | 119,116 |
