| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 39,772,206 |
| Country Shape Quiz #1 | 0 | - | 4.88 | 821,639 |
| Country Shape Quiz #2 | 0 | - | 4.93 | 371,515 |
| Country Shape Quiz #3 | 0 | - | 4.90 | 263,457 |
| Country Shape Quiz #4 | 0 | - | 4.91 | 194,202 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,288,711 |
| Biggest Countries by Area | 0 | - | 4.99 | 913,062 |
| Countries with the Highest Life Expectancy | 0 | - | 4.85 | 193,796 |
| Countries with the Highest Obesity Rate | 0 | - | 4.38 | 175,798 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 160,427 |
| Spanish-Speaking Countries | 0 | - | 4.87 | 335,498 |
| Island Countries Quiz | 0 | - | 4.99 | 631,281 |
| Northernmost Countries | 0 | - | 4.98 | 322,346 |
| Southernmost Countries of the World | 0 | - | 4.99 | 193,713 |
| Majority Muslim Countries | 0 | - | 4.97 | 309,296 |
| Countries with the Most Borders | 0 | - | 4.96 | 344,590 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 385,915 |
| Countries That Border Russia | 0 | - | 4.98 | 419,822 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.88 | 241,909 |
| Countries with the Most Billionaires | 0 | - | 4.94 | 276,200 |
| Islands by Country #1 | 0 | - | 4.85 | 161,638 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 310,404 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 182,441 |
| Countries by Borders #1 | 0 | - | 4.99 | 174,592 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 219,488 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 344,973 |
| Countries with the Most Tourists Quiz | 0 | - | 4.93 | 346,349 |
| One Border Countries | 0 | - | 4.97 | 402,395 |
| NATO Countries Quiz | 0 | - | 4.98 | 220,526 |
| EU Countries Quiz | 0 | - | 4.99 | 223,408 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,041,509 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,516,089 |
| Countries that Start with A | 0 | - | 4.96 | 1,902,085 |
| Countries that Start with B | 0 | - | 4.93 | 2,040,951 |
| Countries that Start with C | 0 | - | 4.94 | 1,611,828 |
| Countries that Start with D | 0 | - | 4.94 | 571,460 |
| Countries that Start with E | 0 | - | 4.92 | 1,204,506 |
| Countries that Start with G | 0 | - | 4.95 | 1,323,543 |
| Countries that Start with H | 0 | - | 4.92 | 487,154 |
| Countries that Start with I | 0 | - | 4.90 | 1,137,124 |
| Countries that Start with J | 0 | - | 4.97 | 491,206 |
| Countries that Start with K | 0 | - | 4.94 | 692,208 |
| Countries that Start with L | 0 | - | 4.97 | 949,222 |
| Countries that Start with N | 0 | - | 4.89 | 975,715 |
| Countries that Start with P | 0 | - | 4.89 | 1,078,846 |
| Countries that Start with R | 0 | - | 4.40 | 376,103 |
| Countries that Start with S | 0 | - | 4.97 | 1,575,406 |
| Countries that Start with T | 0 | - | 4.80 | 890,300 |
| Countries that Start with U | 0 | - | 4.96 | 803,624 |
| Countries that Start with V | 0 | - | 4.97 | 539,375 |
| Countries that Start with F | 0 | - | 4.69 | 522,515 |
| Countries that Start with M | 0 | - | 4.94 | 1,230,047 |
| Countries that Border Poland | 0 | - | 4.99 | 156,354 |
| Countries that Border China | 0 | - | 4.96 | 229,955 |
| Countries with the Biggest Economies by GDP | 0 | - | 4.51 | 266,755 |
| Top Crude Oil Producing Countries | 0 | - | 4.80 | 154,242 |
| Countries that Produce the Most Wine | 0 | - | 4.85 | 177,398 |
| Countries by Alcohol Consumption | 0 | - | 4.41 | 191,154 |
| Countries in World War I | 0 | - | 4.91 | 206,093 |
| Countries with Four Letters | 0 | - | 4.99 | 372,687 |
| Countries of Africa | 0 | - | 5.00 | 2,101,106 |
| Countries of South America | 0 | - | 5.00 | 769,053 |
| Countries of North America Quiz | 0 | - | 5.00 | 853,461 |
| Countries of Oceania | 0 | - | 5.00 | 862,285 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 185,999 |
| Countries with the Most Exports | 0 | - | 4.97 | 120,648 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 221,681 |
| Countries Bordering France | 0 | - | 4.83 | 352,235 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 213,898 |
| Countries Bordering Germany | 0 | - | 4.99 | 336,287 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 141,715 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 283,917 |
| Countries of the Soviet Union | 0 | - | 4.99 | 182,472 |
| Countries in their Native Language | 0 | - | 4.97 | 175,100 |
| Countries by Clue #1 | 0 | - | 4.86 | 215,286 |
| Countries with Five Letters Quiz | 0 | - | 4.95 | 225,086 |
| Countries with Six Letters Quiz | 0 | - | 4.92 | 171,275 |
| Countries Bordering India | 0 | - | 4.98 | 154,579 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 137,939 |
| Independence from Whom | 0 | - | 4.99 | 180,128 |
| Countries with the Most Winter Olympics Medals | 0 | - | 4.43 | 154,360 |
| Countries with Z | 0 | - | 4.98 | 239,659 |
| "Land" Countries | 0 | - | 4.98 | 285,680 |
| Largest Economies in 2050 | 0 | - | 4.90 | 97,390 |
| European Countries by Clue | 0 | - | 4.94 | 168,717 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 235,048 |
| Most Populous Countries in 2050 | 0 | - | 4.89 | 202,067 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 280,711 |
| Countries by Oil Consumption | 0 | - | 4.96 | 109,903 |
| Most Populous Countries in 1900 | 0 | - | 4.89 | 160,107 |
| Countries by Airline Passengers | 0 | - | 4.94 | 48,405 |
| Countries by Inland Surface Water | 0 | - | 4.95 | 88,743 |
| Most Populous Countries in 1950 | 0 | - | 4.44 | 70,172 |
| Top Olive Oil Producing Countries | 0 | - | 4.92 | 74,580 |
| Top 10 Diamond Producing Countries | 0 | - | 4.43 | 31,413 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 168,341 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 105,617 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 160,185 |
| Countries that Catch the Most Fish | 0 | - | 4.88 | 99,580 |
| Most Expensive Countries | 0 | - | 4.03 | 109,316 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 34,928 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 203,801 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 173,153 |
| Countries with the Shortest Total Borders | 0 | - | 4.92 | 80,158 |
| Countries With the Most Languages | 0 | - | 4.90 | 168,890 |
| Countries Closest to Canada | 0 | - | 4.89 | 181,792 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 153,578 |
| Countries Closest to Italy | 0 | - | 4.97 | 175,563 |
| Countries Closest to Spain | 0 | - | 4.95 | 201,940 |
| Countries Ending in "IA" | 0 | - | 4.99 | 167,696 |
| Countries with the Most Muslims | 0 | - | 4.90 | 129,457 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.94 | 85,766 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.82 | 69,842 |
| Countries Producing the Most Oranges | 0 | - | 4.74 | 43,296 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 378,142 |
| Top Five Countries By Category #2 | 0 | - | 4.91 | 153,986 |
| Countries with the Most Prisoners | 0 | - | 4.91 | 84,135 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 211,470 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 52,167 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,940,207 |
| Countries That End in Y | 0 | - | 4.89 | 160,215 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.85 | 31,575 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 177,229 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 158,033 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 204,340 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 241,352 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.91 | 174,119 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 190,392 |
| Countries with the Longest Perimeter | 0 | - | 4.79 | 70,718 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 156,239 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 155,734 |
| Tallest Countries North to South | 0 | - | 4.79 | 109,094 |
| Widest Countries East to West | 0 | - | 4.91 | 117,587 |
| Countries with the Most Billionaires per Capita | 0 | - | 4.85 | 70,356 |
| Countries with the Most Nobel Prizes | 0 | - | 4.85 | 82,108 |
| Countries by Net Migration | 0 | - | 4.51 | 63,073 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,437 |
| Countries Whose Center is Closest to the Equator | 0 | - | 4.62 | 51,370 |
| Countries with the Most Murders | 0 | - | 4.46 | 109,924 |
| Countries with the Most Millionaires | 0 | - | 4.80 | 80,845 |
| Country Chain | 0 | - | 4.91 | 174,374 |
| Olympic Host Countries | 0 | - | 4.98 | 158,701 |
| Countries Bordering "U" Countries | 0 | - | 4.80 | 19,118 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.83 | 1,153,784 |
| Countries with the Least Precipitation | 0 | - | 4.88 | 67,062 |
| Countries with the Most Precipitation | 0 | - | 4.74 | 48,947 |
| Poorest Countries with Exceptions | 0 | - | 4.48 | 96,079 |
| World Map without 12 Countries | 0 | - | 4.97 | 311,392 |
| Every Country Shape | 0 | - | 5.00 | 369,922 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,304,471 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 158,409 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 241,558 |
| Countries with Megacities | 0 | - | 4.99 | 191,446 |
| Every European Country Shape | 0 | - | 4.93 | 168,443 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 194,638 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 195,918 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 201,025 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 158,317 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 157,689 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 154,314 |
| All Countries of the World by Area with Hints | 0 | - | 4.96 | 188,456 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,995,505 |
| Countries of the Middle East | 0 | - | 4.95 | 168,763 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.89 | 252,851 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 91,615 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 116,601 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.95 | 83,896 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.96 | 174,547 |
| One Country By Letter By Continent | 0 | - | 5.00 | 67,645 |
| Most Populous Countries by Year | 0 | - | 4.70 | 91,257 |
| Largest Countries with No Borders | 0 | - | 4.97 | 178,332 |
| Coldest Countries | 0 | - | 4.98 | 122,118 |
| Countries with the Highest Murder Rate | 0 | - | 4.62 | 71,509 |
| Countries of Europe After World War II | 0 | - | 4.98 | 167,303 |
| Top 10 Coldest European Countries | 0 | - | 4.95 | 178,228 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 107,146 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.68 | 56,754 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 132,699 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.50 | 44,442 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 70,747 |
| Countries with the Most Desert | 0 | - | 4.91 | 103,378 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 209,393 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 166,459 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.87 | 203,509 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 224,253 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.83 | 16,618 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.88 | 59,416 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 65,996 |
| Most Fragile Countries not in Africa | 0 | - | 4.42 | 57,127 |
| Countries by Wealth per Capita | 0 | - | 4.50 | 56,524 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.90 | 47,501 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 180,769 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 99,843 |
| Countries by Milk Production | 0 | - | 4.57 | 34,664 |
| Countries with the Most Total Precipitation | 0 | - | 4.80 | 61,415 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.97 | 175,105 |
| Flags of the Countries that Start with A | 0 | - | 4.95 | 105,345 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.46 | 76,236 |
| The Only European Country ... | 0 | - | 4.94 | 172,629 |
| Flags of the Countries that Start with C | 0 | - | 4.91 | 116,771 |
