| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 39,892,602 |
| NATO Countries Quiz | 0 | - | 4.98 | 220,930 |
| EU Countries Quiz | 0 | - | 4.99 | 223,930 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 222,058 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 214,191 |
| Top Five Countries by Religion | 0 | - | 4.88 | 137,529 |
| Countries with the Most Elite Universities | 0 | - | 4.93 | 96,690 |
| Countries with NO Military | 0 | - | 4.97 | 47,905 |
| Countries by Number of Books Published | 0 | - | 4.96 | 62,212 |
| Majority Muslim Countries | 0 | - | 4.97 | 309,696 |
| Countries with the Most Christians | 0 | - | 4.93 | 104,287 |
| Countries with the Most Tanks | 0 | - | 4.89 | 73,947 |
| Biggest Export Partners For Every Country | 0 | - | 4.99 | 39,732 |
| Top Oil Reserve Countries | 0 | - | 4.92 | 65,079 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.93 | 4,952,994 |
| Least Christian Countries with Exceptions | 0 | - | 4.91 | 70,438 |
| Buddhist Countries | 0 | - | 4.97 | 129,089 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 311,199 |
| Sahara Desert Countries | 0 | - | 4.98 | 122,445 |
| Himalayan Countries | 0 | - | 4.95 | 99,863 |
| Andean Countries | 0 | - | 4.92 | 55,365 |
| Countries with the Oldest Median Age | 0 | - | 4.88 | 56,286 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 47,553 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 100,524 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 51,920 |
| Danube Countries | 0 | - | 4.97 | 55,882 |
| Countries With an "Ish" Demonym | 0 | - | 4.96 | 90,959 |
| Countries With an "Ese" Demonym | 0 | - | 4.95 | 64,255 |
| Countries with the Worst Passports | 0 | - | 4.88 | 48,073 |
| Countries with the Most Immigrants | 0 | - | 4.84 | 107,300 |
| European Landlocked Countries | 0 | - | 4.99 | 114,066 |
| Partially Recognized Countries | 0 | - | 4.98 | 87,994 |
| Countries with the Most Species | 0 | - | 4.99 | 88,892 |
| Tropic of Cancer Countries | 0 | - | 4.93 | 44,217 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,582 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 46,928 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 58,145 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 48,147 |
| Countries in the Alps | 0 | - | 4.85 | 100,769 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 83,840 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 84,453 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 70,637 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,086 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 92,366 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.88 | 86,372 |
| Five Biggest Countries by Latitude | 0 | - | 4.98 | 88,386 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,333 |
| Biggest Country by Body of Water | 0 | - | 4.97 | 44,753 |
| Countries with the Most Container Port Traffic | 0 | - | 4.93 | 53,600 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.90 | 68,362 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 48,043 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 36,108 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.91 | 94,356 |
| Arctic Ocean Countries | 0 | - | 4.95 | 70,951 |
| Countries with the Most Grassland | 0 | - | 4.93 | 68,433 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 95,030 |
| Countries with the Most Climate Zones | 0 | - | 4.95 | 60,536 |
| Countries that Host the Most Refugees | 0 | - | 4.92 | 52,453 |
| All Countries of the World by Area with Hints | 0 | - | 4.96 | 189,070 |
| World Countries - Blind Typing | 0 | - | 5.00 | 69,529 |
| Countries in Their Own Alphabet | 0 | - | 4.94 | 41,572 |
| Largest Countries By Category | 0 | - | 4.97 | 142,679 |
| Country Flags With Only Two Colors | 0 | - | 4.87 | 76,422 |
| Spanish-Speaking Countries | 0 | - | 4.88 | 335,916 |
| Countries with the Most Tourists Quiz | 0 | - | 4.93 | 347,055 |
| Island Countries Quiz | 0 | - | 4.99 | 632,513 |
| Biggest Countries by Area | 0 | - | 4.99 | 915,129 |
| Northernmost Countries | 0 | - | 4.98 | 323,011 |
| Countries of South America | 0 | - | 5.00 | 771,877 |
| Countries of Oceania | 0 | - | 5.00 | 865,643 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,053,724 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,523,241 |
| Countries that Start with A | 0 | - | 4.96 | 1,906,798 |
| Countries that Start with B | 0 | - | 4.93 | 2,045,447 |
| Countries that Start with C | 0 | - | 4.94 | 1,615,633 |
| Countries that Start with D | 0 | - | 4.94 | 573,437 |
| Countries that Start with E | 0 | - | 4.92 | 1,207,435 |
| Countries that Start with G | 0 | - | 4.95 | 1,326,661 |
| Countries that Start with H | 0 | - | 4.92 | 488,802 |
| Countries that Start with I | 0 | - | 4.90 | 1,139,696 |
| Countries that Start with J | 0 | - | 4.97 | 492,764 |
| Countries that Start with K | 0 | - | 4.94 | 694,346 |
| Countries that Start with L | 0 | - | 4.98 | 951,547 |
| Countries that Start with N | 0 | - | 4.89 | 978,149 |
| Countries that Start with P | 0 | - | 4.89 | 1,081,473 |
| Countries that Start with S | 0 | - | 4.97 | 1,578,731 |
| Countries that Start with U | 0 | - | 4.96 | 805,688 |
| Countries that Start with V | 0 | - | 4.97 | 540,436 |
| Countries that Start with M | 0 | - | 4.94 | 1,232,849 |
| Countries with the Most Catholics | 0 | - | 4.93 | 90,777 |
| Orthodox Countries | 0 | - | 4.92 | 114,839 |
| Monarchies of Europe | 0 | - | 4.86 | 69,205 |
| Monarchies of Asia | 0 | - | 4.95 | 52,516 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 103,130 |
| Countries with the Most Billionaires | 0 | - | 4.94 | 276,548 |
| Countries with the Most Muslims | 0 | - | 4.91 | 129,663 |
| Countries with the Most Billionaires per Capita | 0 | - | 4.85 | 70,472 |
| Countries with the Most Exports | 0 | - | 4.97 | 120,801 |
| Countries by Oil Consumption | 0 | - | 4.96 | 109,970 |
| Largest Economies in 2050 | 0 | - | 4.90 | 97,508 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 235,320 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 70,843 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.88 | 59,514 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 95,890 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 158,654 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 122,288 |
| Countries with Megacities | 0 | - | 4.99 | 191,827 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 166,784 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 95,644 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 91,947 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 61,567 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 242,024 |
| Countries by Official Language | 0 | - | 4.94 | 152,090 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.89 | 242,860 |
| Countries in their Native Language | 0 | - | 4.97 | 175,352 |
| Independence from Whom | 0 | - | 4.99 | 180,452 |
| Subdivisions by Country | 0 | - | 4.84 | 45,921 |
| Who Controlled These Colonies? | 0 | - | 4.84 | 110,074 |
| Megadiverse Countries | 0 | - | 4.94 | 123,894 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 88,339 |
| Countries with Multiple Big Islands | 0 | - | 4.89 | 105,369 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.85 | 46,831 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 128,718 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 48,010 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 75,027 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.96 | 143,300 |
| Countries with Multiple Populous Islands | 0 | - | 4.83 | 75,976 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 40,658 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 41,888 |
| Landmarks of Countries #1 | 0 | - | 4.82 | 100,329 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,256 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 79,437 |
| Richest Countries A-Z | 0 | - | 4.85 | 85,422 |
| Large Countries with Small Economies | 0 | - | 4.92 | 54,579 |
| Smallest Countries with at Least One Border | 0 | - | 4.91 | 79,891 |
| Southernmost Countries of the World | 0 | - | 4.99 | 202,231 |
| Countries by Inland Surface Water | 0 | - | 4.95 | 89,149 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 105,898 |
| Countries With the Most Languages | 0 | - | 4.90 | 169,334 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.94 | 85,913 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.82 | 70,022 |
| Countries with the Most Prisoners | 0 | - | 4.91 | 84,400 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 52,507 |
| Widest Countries East to West | 0 | - | 4.91 | 117,747 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,487 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 156,475 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 91,690 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.95 | 84,027 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 116,831 |
| Countries with the Most Desert | 0 | - | 4.91 | 103,518 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 66,044 |
| Countries with Double Letters | 0 | - | 4.96 | 64,588 |
| Countries that End in N | 0 | - | 4.94 | 129,351 |
| Countries with Five Letters Quiz | 0 | - | 4.95 | 225,395 |
| Countries with Six Letters Quiz | 0 | - | 4.92 | 171,479 |
| Countries with W | 0 | - | 4.97 | 120,045 |
| Countries with Z | 0 | - | 4.98 | 239,967 |
| Countries with Letters Missing | 0 | - | 4.98 | 152,887 |
| Countries That End in U | 0 | - | 4.93 | 105,904 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 86,672 |
| Countries that End in O | 0 | - | 4.90 | 145,630 |
| Countries that End in R | 0 | - | 4.85 | 95,647 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 146,331 |
| Countries Ending in "IA" | 0 | - | 4.99 | 167,952 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 153,871 |
| Countries by Last Two Letters | 0 | - | 4.89 | 114,476 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 127,623 |
| Countries That End in Y | 0 | - | 4.89 | 160,297 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 158,311 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.89 | 118,862 |
| Countries that End in I | 0 | - | 4.90 | 113,729 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 147,173 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.97 | 86,926 |
| Countries That End in NIA | 0 | - | 4.91 | 99,665 |
| Countries That End in BIA | 0 | - | 4.91 | 124,449 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.91 | 151,181 |
| Countries Whose Names Start with Saint | 0 | - | 4.82 | 108,308 |
| Countries That End in RIA | 0 | - | 4.83 | 99,485 |
| Most Common Words in Official Country Names | 0 | - | 4.84 | 99,005 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 196,391 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 117,461 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 108,119 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 75,107 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 38,797 |
| Countries that End in L | 0 | - | 4.94 | 132,505 |
| "Land" Countries | 0 | - | 4.98 | 285,979 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 186,232 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.97 | 64,930 |
| City to Country Quiz #1 | 0 | - | 4.93 | 133,120 |
| City to Country Quiz #3 | 0 | - | 4.85 | 98,919 |
| 45 European Countries, 45 Cities | 0 | - | 4.96 | 70,477 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 204,622 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 155,917 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 114,947 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 130,572 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 190,670 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 138,889 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.85 | 65,096 |
| Top 10 Coldest European Countries | 0 | - | 4.95 | 178,419 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 113,733 |
