| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,900 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,090 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,690 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,743 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,795 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,690 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,534 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,614 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,857 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,213,997 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,799 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,754 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,876 |
| Landlocked Countries | 0 | - | 4.99 | 417,281 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,745,415 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,550 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,526 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,511 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,075 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,049 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,595 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,572 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,115 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,236 |
| Island Countries | 0 | - | 4.99 | 709,102 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,222 |
| Himalayan Countries | 0 | - | 4.95 | 136,767 |
| Andean Countries | 0 | - | 4.95 | 83,606 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,868 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,168 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,536 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,127 |
| Danube Countries | 0 | - | 4.97 | 71,488 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,307 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,904 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,302 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,301 |
| European Landlocked Countries | 0 | - | 4.99 | 146,197 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,879 |
| Countries with the Most Species | 0 | - | 4.99 | 102,401 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,010 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,357 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,536 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,205 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,857 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,235 |
| Countries in the Alps | 0 | - | 4.86 | 117,436 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,965 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,048 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,305 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,808 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,905 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,323 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,073 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,045 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,861 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,395 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,398 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,242 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,790 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,052 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,066 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,841 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,942 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,469 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,311 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,383 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,755 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,878 |
| Largest Countries By Category | 0 | - | 4.97 | 157,357 |
| Countries by Countries | 0 | - | 4.96 | 62,674 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,372,077 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,179 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,149 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,044,170 |
| Northernmost Countries | 0 | - | 4.99 | 359,729 |
| Countries of South America | 0 | - | 5.00 | 920,552 |
| Countries of Oceania | 0 | - | 5.00 | 1,048,158 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,860,978 |
| "Land" Countries | 0 | - | 4.98 | 335,213 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,281 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,707 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,584 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,723 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,945 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,113 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,497 |
| Countries with Megacities | 0 | - | 4.99 | 249,433 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,349 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,673 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,678 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,643 |
| Countries by Official Language | 0 | - | 4.95 | 194,248 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,072 |
| Countries in their Native Language | 0 | - | 4.99 | 197,846 |
| Independence from Whom | 0 | - | 4.99 | 210,977 |
| Subdivisions by Country | 0 | - | 4.86 | 50,224 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,451 |
| Megadiverse Countries | 0 | - | 4.96 | 134,605 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,013 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,108 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,662 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,965 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,964 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,515 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,276 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,707 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,599 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,409 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,822 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,476 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,621 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,717 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,685 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,165 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,240 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 96,320 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,893 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,251 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,754 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,775 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,189 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,742 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,478 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,892 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,351 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,524 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,688 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,184 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,154 |
| Widest Countries East to West | 0 | - | 4.92 | 129,225 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,342 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,741 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,947 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,999 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,046 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,422 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,159 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,691 |
| Countries with Double Letters | 0 | - | 4.97 | 94,611 |
| Countries that End in N | 0 | - | 4.95 | 168,724 |
| Countries with Five Letters | 0 | - | 4.96 | 273,648 |
| Countries with Six Letters | 0 | - | 4.94 | 211,885 |
| Countries with W | 0 | - | 4.97 | 159,175 |
| Countries with Z | 0 | - | 4.98 | 289,273 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,376 |
| Countries That End in U | 0 | - | 4.95 | 120,211 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,397 |
| Countries that End in O | 0 | - | 4.92 | 159,037 |
| Countries that End in R | 0 | - | 4.87 | 118,612 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,389 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,973 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,885 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,915 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,497 |
| Countries That End in Y | 0 | - | 4.90 | 185,523 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,976 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,197 |
| Countries that End in I | 0 | - | 4.94 | 134,733 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,805 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,460 |
| Countries That End in NIA | 0 | - | 4.92 | 109,366 |
| Countries That End in BIA | 0 | - | 4.93 | 148,657 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,517 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,869 |
| Countries That End in RIA | 0 | - | 4.93 | 126,400 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,446 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,252 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,974 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,295 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,925 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,206 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,527 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,052 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,932 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,091 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,326 |
| Countries that End in L | 0 | - | 4.94 | 156,378 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,253 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,107 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,749 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,608 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,674 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,442 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,898 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,431 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,891 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,345 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,099 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,892 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,315 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,544 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,410 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,597 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,893 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,556 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,041 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,816,213 |
| One Border Countries | 0 | - | 4.98 | 466,800 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,607,264 |
