| One Country By Letter By Continent | 0 | - | 5.00 | 125,200 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,823 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,765,114 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,937 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,351 |
| Countries by Emojis | 0 | - | 4.99 | 241,365 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,408 |
| Countries Bordering "U" Countries | 0 | - | 4.83 | 24,779 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,887 |
| Countries that Start with A | 0 | - | 4.98 | 2,172,325 |
| Countries that Start with B | 0 | - | 4.95 | 2,303,347 |
| Countries that Start with C | 0 | - | 4.96 | 1,829,024 |
| Countries that Start with D | 0 | - | 4.96 | 714,678 |
| Countries that Start with E | 0 | - | 4.95 | 1,383,051 |
| Countries that Start with G | 0 | - | 4.97 | 1,509,387 |
| Countries that Start with H | 0 | - | 4.96 | 608,340 |
| Countries that Start with I | 0 | - | 4.92 | 1,292,988 |
| Countries that Start with J | 0 | - | 4.98 | 605,801 |
| Countries that Start with K | 0 | - | 4.97 | 819,492 |
| Countries that Start with L | 0 | - | 4.98 | 1,095,237 |
| Countries that Start with N | 0 | - | 4.93 | 1,122,255 |
| Countries that Start with P | 0 | - | 4.94 | 1,220,529 |
| Countries that Start with S | 0 | - | 4.98 | 1,761,043 |
| Countries that Start with T | 0 | - | 4.90 | 1,013,673 |
| Countries that Start with U | 0 | - | 4.97 | 907,530 |
| Countries that Start with V | 0 | - | 4.98 | 611,315 |
| Countries that Start with F | 0 | - | 4.83 | 620,338 |
| Countries that Start with M | 0 | - | 4.97 | 1,386,596 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,169 |
| Landlocked Countries | 0 | - | 4.99 | 424,250 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,916 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,521 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,185 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,995 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,778 |
| Orthodox Countries | 0 | - | 4.92 | 132,613 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,225 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,512 |
| Battle to Country | 0 | - | 4.91 | 53,777 |
| Monarchies of Europe | 0 | - | 4.90 | 98,677 |
| Monarchies of Asia | 0 | - | 4.97 | 71,408 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,202 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,441 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,794,817 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,329 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,563 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,637 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,476 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,198 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,917 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,332 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,112 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,653 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,653 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,527 |
| Companies by Country | 0 | - | 4.61 | 120,047 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,665 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,598 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,649 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,831 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,595 |
| Name a Valid African Country | 0 | - | 4.98 | 154,832 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,791 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,235 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,795 |
| Island Countries | 0 | - | 4.99 | 711,973 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,524 |
| Himalayan Countries | 0 | - | 4.94 | 139,684 |
| Andean Countries | 0 | - | 4.94 | 85,139 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,318 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,565 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,894 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,176 |
| Danube Countries | 0 | - | 4.97 | 72,250 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,382 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,683 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,804 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,296 |
| European Landlocked Countries | 0 | - | 4.99 | 147,429 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,041 |
| Countries with the Most Species | 0 | - | 4.99 | 103,454 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,174 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,700 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,810 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,725 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,455 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,879 |
| Countries in the Alps | 0 | - | 4.87 | 118,540 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,224 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,558 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,843 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,853 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,776 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,116 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,971 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,708 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,328 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,044 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,780 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,647 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,425 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,666 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,750 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,451 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,500 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,458 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,451 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,105 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,779 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,412 |
| Largest Countries By Category | 0 | - | 4.97 | 158,603 |
| Countries by Countries | 0 | - | 4.96 | 63,483 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,390,145 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,054 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,359 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,958 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,052,999 |
| Northernmost Countries | 0 | - | 4.99 | 363,307 |
| Political Movements by Country | 0 | - | 4.46 | 72,710 |
| Countries of South America | 0 | - | 5.00 | 930,560 |
| Countries of Oceania | 0 | - | 5.00 | 1,060,972 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,884,759 |
| "Land" Countries | 0 | - | 4.98 | 338,001 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 90,474 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,772 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,614 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,517 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,165 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,909 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,926 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,718 |
| Countries with Megacities | 0 | - | 4.99 | 266,235 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,440 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,855 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,735 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,970 |
| Countries by Official Language | 0 | - | 4.95 | 195,740 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,251 |
| Countries in their Native Language | 0 | - | 4.99 | 199,509 |
| Independence from Whom | 0 | - | 4.99 | 212,697 |
| Subdivisions by Country | 0 | - | 4.87 | 50,553 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,176 |
| Countries in World War I | 0 | - | 4.88 | 228,873 |
| Megadiverse Countries | 0 | - | 4.96 | 135,180 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,825 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,732 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,474 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,370 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,177 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,415 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,735 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,855 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,495 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,769 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,218 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,149 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,295 |
| Hindu Countries | 0 | - | 4.87 | 50,482 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,361 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,080 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,501 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,617 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,956 |
| World Map Quiz | 0 | - | 4.81 | 65,417 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,558 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,937 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,923 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,411 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,168 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,266 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,385 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,584 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,612 |
| Tallest Countries North to South | 0 | - | 4.86 | 129,911 |
| Widest Countries East to West | 0 | - | 4.92 | 130,290 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,555 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,077 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,455 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,965 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,841 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,343 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,460 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,860 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,606 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,680 |
| Countries with Double Letters | 0 | - | 4.96 | 96,768 |
| Countries that End in N | 0 | - | 4.95 | 171,654 |
| Countries with Five Letters | 0 | - | 4.96 | 283,344 |
| Countries with Six Letters | 0 | - | 4.94 | 214,111 |
| Countries with W | 0 | - | 4.96 | 160,716 |
| Countries with Z | 0 | - | 4.98 | 292,079 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,069 |
| Countries That End in U | 0 | - | 4.95 | 121,061 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 134,868 |
| Countries that End in O | 0 | - | 4.92 | 159,708 |
| Countries that End in R | 0 | - | 4.87 | 119,101 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,848 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,546 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,982 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,697 |
