| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 91,966 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 82,195 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.93 | 55,924 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 321,950 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,818 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,800,999 |
| Top 10 European Countries with the Highest Elevation | 0 | - | 4.83 | 84,938 |
| Top Rice-Producing Countries | 0 | - | 4.94 | 79,758 |
| Top Chocolate Growing Countries | 0 | - | 4.88 | 43,186 |
| Members of the Arab League | 0 | - | 4.85 | 61,075 |
| Sahara Desert Countries | 0 | - | 4.97 | 126,338 |
| Himalayan Countries | 0 | - | 4.94 | 104,221 |
| Andean Countries | 0 | - | 4.91 | 57,728 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 58,671 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 49,074 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,436 |
| Coffee Producing Countries | 0 | - | 4.81 | 53,883 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,138 |
| Danube Countries | 0 | - | 4.97 | 56,550 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,579 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,766 |
| Countries with the Best Passports | 0 | - | 4.87 | 70,930 |
| Countries with the Worst Passports | 0 | - | 4.87 | 49,162 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,920 |
| European Landlocked Countries | 0 | - | 4.99 | 115,023 |
| Partially Recognized Countries | 0 | - | 4.98 | 89,163 |
| Countries with the Most Species | 0 | - | 4.99 | 89,183 |
| Countries 197 to 205 | 0 | - | 4.88 | 56,211 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,612 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,949 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,121 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,325 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,624 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 49,013 |
| Countries in the Alps | 0 | - | 4.83 | 102,408 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,118 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 86,708 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,439 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 78,096 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,777 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,393 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,454 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,036 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,233 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,516 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,257 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,497 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,593 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,322 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,817 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,316 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 97,582 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,233 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,268 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 195,315 |
| World Countries - Blind Typing | 0 | - | 5.00 | 72,451 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,182 |
| Largest Countries By Category | 0 | - | 4.96 | 144,585 |
| Countries by Countries | 0 | - | 4.95 | 54,481 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,056,849 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,600 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 77,934 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 340,175 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 354,419 |
| Island Countries Quiz | 0 | - | 4.99 | 659,196 |
| Biggest Countries by Area | 0 | - | 5.00 | 930,857 |
| Northernmost Countries | 0 | - | 4.99 | 326,628 |
| Countries of South America | 0 | - | 5.00 | 790,558 |
| Countries of Oceania | 0 | - | 5.00 | 890,242 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,139,490 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,566,423 |
| Top 10 Countries with the Most Volcanoes | 0 | - | 4.55 | 72,938 |
| Top 10 Countries with the Most Time Zones | 0 | - | 4.64 | 122,138 |
| Top 10 Most Protestant European Countries | 0 | - | 4.49 | 34,009 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 125,395 |
| Countries with Megacities | 0 | - | 4.99 | 196,519 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 170,948 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 97,590 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 94,878 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 63,553 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 247,163 |
| Countries by Official Language | 0 | - | 4.95 | 154,629 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 248,327 |
| Countries in their Native Language | 0 | - | 4.98 | 177,755 |
| Independence from Whom | 0 | - | 4.99 | 185,069 |
| Subdivisions by Country | 0 | - | 4.82 | 46,373 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 113,133 |
| Megadiverse Countries | 0 | - | 4.96 | 125,160 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 90,791 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 106,522 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 47,303 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 130,864 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,031 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 77,603 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 144,947 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 76,921 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,277 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 43,577 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 101,484 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,880 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,901 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 68,414 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,139 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 81,665 |
| World Map Quiz | 0 | - | 4.90 | 49,047 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 81,290 |
| Southernmost Countries of the World | 0 | - | 4.99 | 206,348 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 90,701 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 107,762 |
| Countries With the Most Languages | 0 | - | 4.91 | 173,056 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 87,158 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 71,406 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 86,081 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,752 |
| Tallest Countries North to South | 0 | - | 4.84 | 110,272 |
| Widest Countries East to West | 0 | - | 4.93 | 119,187 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,779 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 158,802 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,562 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 85,248 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 118,651 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,003 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,401 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,005 |
| Countries with Double Letters | 0 | - | 4.96 | 67,935 |
| Countries that End in N | 0 | - | 4.93 | 132,321 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 229,265 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 186,672 |
| Countries with W | 0 | - | 4.97 | 122,449 |
| Countries with Z | 0 | - | 4.98 | 243,972 |
| Countries with Letters Missing | 0 | - | 4.97 | 155,310 |
| Countries That End in U | 0 | - | 4.94 | 107,391 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 89,119 |
| Countries that End in O | 0 | - | 4.92 | 146,792 |
| Countries that End in R | 0 | - | 4.86 | 96,356 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,141 |
| Countries Ending in "IA" | 0 | - | 4.99 | 170,948 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 155,506 |
| Countries by Last Two Letters | 0 | - | 4.91 | 116,054 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 129,074 |
| Countries That End in Y | 0 | - | 4.90 | 161,552 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 160,432 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 120,542 |
| Countries that End in I | 0 | - | 4.92 | 114,416 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 149,257 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 88,140 |
| Countries That End in NIA | 0 | - | 4.93 | 100,706 |
| Countries That End in BIA | 0 | - | 4.91 | 125,894 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 153,032 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 109,567 |
| Countries That End in RIA | 0 | - | 4.90 | 100,826 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 100,277 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 200,233 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 119,441 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 110,310 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 77,119 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 92,064 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 96,526 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 42,706 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 40,496 |
| Countries that End in L | 0 | - | 4.95 | 134,114 |
| "Land" Countries | 0 | - | 4.98 | 288,873 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 188,561 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.97 | 65,158 |
| City to Country Quiz #1 | 0 | - | 4.94 | 134,149 |
| City to Country Quiz #3 | 0 | - | 4.86 | 100,076 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 71,468 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 207,467 |
| Five Poorest Countries by Continent | 0 | - | 4.95 | 165,517 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 116,276 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 132,475 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.92 | 193,077 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 140,659 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 65,785 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,308,954 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 348,819 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,056,275 |
| One Border Countries | 0 | - | 4.98 | 409,005 |
| Countries With One Word and Three A's | 0 | - | 4.85 | 30,642 |
| Countries that Eat the Most Fish | 0 | - | 4.24 | 67,000 |
| Top 10 Countries with the Most Fishermen | 0 | - | 4.33 | 43,233 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,384,784 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 65,935 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 244,651 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 108,795 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 68,362 |
| Countries by National Anthem | 0 | - | 4.95 | 61,790 |
| NATO Countries Quiz | 0 | - | 4.98 | 224,980 |
| EU Countries Quiz | 0 | - | 4.99 | 227,431 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 144,292 |
| Natural Features of Countries #1 | 0 | - | 4.85 | 77,537 |
| Countries That Use the Euro | 0 | - | 4.92 | 62,538 |
| Countries with the Most Military Troops | 0 | - | 4.94 | 225,526 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 217,108 |
| German-Speaking Countries | 0 | - | 4.88 | 117,405 |
| Countries with Wild Tigers | 0 | - | 4.95 | 110,722 |
| Countries with Wild Penguins | 0 | - | 4.93 | 90,053 |
| Solve the Secret Country #1 | 0 | - | 4.96 | 129,455 |
| Top Five Countries by Religion | 0 | - | 4.90 | 141,577 |
| Solve the Secret Country #2 | 0 | - | 4.91 | 87,673 |
