| Countries of the World Quiz | 0 | - | 5.00 | 47,752,318 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,262 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,069 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,562 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,619 |
| Landlocked Countries | 0 | - | 4.99 | 424,090 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 86,598 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,686 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,378 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,132 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,315 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,899 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,049 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,854 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,513 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,406 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,793,719 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,458 |
| Himalayan Countries | 0 | - | 4.94 | 139,626 |
| Andean Countries | 0 | - | 4.94 | 85,109 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,295 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,529 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,864 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,154 |
| Danube Countries | 0 | - | 4.97 | 72,234 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,358 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,658 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,770 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,260 |
| European Landlocked Countries | 0 | - | 4.99 | 147,410 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,019 |
| Countries with the Most Species | 0 | - | 4.99 | 103,446 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,146 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,692 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,803 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,716 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,446 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,866 |
| Countries in the Alps | 0 | - | 4.87 | 118,516 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,165 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,503 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,828 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,838 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,762 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,107 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,953 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,696 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,318 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,031 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,773 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,639 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,407 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,651 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,742 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,420 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,488 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,367 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,425 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,026 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,728 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,401 |
| Largest Countries By Category | 0 | - | 4.97 | 158,580 |
| Countries by Countries | 0 | - | 4.96 | 63,464 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,937 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,515 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,185 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,692 |
| Island Countries | 0 | - | 4.99 | 711,885 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,052,794 |
| Northernmost Countries | 0 | - | 4.99 | 363,223 |
| Countries of South America | 0 | - | 5.00 | 930,295 |
| Countries of Oceania | 0 | - | 5.00 | 1,060,702 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,884,189 |
| "Land" Countries | 0 | - | 4.98 | 337,951 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,379 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,153 |
| Orthodox Countries | 0 | - | 4.92 | 132,587 |
| Richest Island Countries | 0 | - | 4.85 | 101,030 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,389,498 |
| Monarchies of Europe | 0 | - | 4.90 | 98,644 |
| Monarchies of Asia | 0 | - | 4.97 | 71,385 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,186 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,918 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,260 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,669 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,790 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 273,932 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,784 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,915 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,310 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,847 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,233 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,596 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,078 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,536 |
| Countries with Megacities | 0 | - | 4.99 | 266,032 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,322 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,784 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,583 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,907 |
| Countries by Official Language | 0 | - | 4.95 | 195,691 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,194 |
| Countries in their Native Language | 0 | - | 4.99 | 199,467 |
| Independence from Whom | 0 | - | 4.99 | 212,648 |
| Subdivisions by Country | 0 | - | 4.87 | 50,543 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,140 |
| Megadiverse Countries | 0 | - | 4.96 | 135,167 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,520 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,465 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,362 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,169 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,397 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,718 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,822 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,479 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,759 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,215 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,127 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,279 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,346 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,071 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,769 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,195 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,544 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,897 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,784 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,389 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,089 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,234 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,367 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,562 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,603 |
| Tallest Countries North to South | 0 | - | 4.86 | 129,644 |
| Widest Countries East to West | 0 | - | 4.92 | 130,260 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,546 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,053 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,449 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,951 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,825 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,321 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,455 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,859 |
| Companies by Country | 0 | - | 4.61 | 120,033 |
| Countries with Double Letters | 0 | - | 4.96 | 96,734 |
| Countries that End in N | 0 | - | 4.95 | 171,618 |
| Countries with Five Letters | 0 | - | 4.96 | 283,284 |
| Countries with Six Letters | 0 | - | 4.94 | 214,070 |
| Countries with W | 0 | - | 4.96 | 160,688 |
| Countries with Z | 0 | - | 4.98 | 292,035 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,048 |
| Countries That End in U | 0 | - | 4.95 | 121,046 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 134,836 |
| Countries that End in O | 0 | - | 4.92 | 159,688 |
| Countries that End in R | 0 | - | 4.87 | 119,087 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,843 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,517 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,965 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,677 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,600 |
| Countries That End in Y | 0 | - | 4.91 | 186,011 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,229 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,101 |
| Countries that End in I | 0 | - | 4.94 | 135,226 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,417 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,954 |
| Countries That End in NIA | 0 | - | 4.92 | 109,939 |
| Countries That End in BIA | 0 | - | 4.93 | 149,423 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,359 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,646 |
| Countries That End in RIA | 0 | - | 4.93 | 126,955 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,241 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,162 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,982 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,418 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,972 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,705 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,211 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,560 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 54,232 |
| Countries that End in L | 0 | - | 4.94 | 157,008 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 216,835 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,309 |
| City to Country Quiz #1 | 0 | - | 4.97 | 156,165 |
| City to Country Quiz #3 | 0 | - | 4.88 | 119,102 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,148 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,156 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,947 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,320 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 164,084 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,763 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 153,080 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,181 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,618 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,564 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,631 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,764 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 63,137 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,688 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,604 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,485 |
