| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 34,253,304 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 737,541 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 344,174 |
| Country Shape Quiz #3 | 0 | - | 4.94 | 246,392 |
| Country Shape Quiz #4 | 0 | - | 4.91 | 180,207 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,168,802 |
| Biggest Countries by Area | 0 | - | 4.99 | 829,719 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 163,913 |
| Countries with the Highest Obesity Rate | 0 | - | 4.37 | 147,973 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,894 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.90 | 295,708 |
| Island Countries Quiz | 0 | - | 4.99 | 577,634 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 294,597 |
| Southernmost Countries of the World | 0 | - | 4.99 | 182,245 |
| Majority Muslim Countries | 0 | - | 4.96 | 281,858 |
| Countries with the Most Borders | 0 | - | 4.96 | 318,347 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 353,059 |
| Countries That Border Russia | 0 | - | 4.98 | 368,652 |
| Countries and Languages Quiz | 0 | - | 4.86 | 215,721 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 255,824 |
| Islands by Country #1 | 0 | - | 4.86 | 149,554 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 287,266 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 172,589 |
| Countries by Borders #1 | 0 | - | 5.00 | 154,468 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 205,446 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 306,965 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 301,287 |
| One Border Countries | 0 | - | 4.98 | 359,655 |
| Countries by Official Language | 0 | - | 4.93 | 142,223 |
| NATO Countries Quiz | 0 | - | 4.97 | 202,054 |
| EU Countries Quiz | 0 | - | 4.99 | 207,162 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,479,734 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,255,782 |
| Countries that Start with A | 0 | - | 4.96 | 1,632,906 |
| Countries that Start with B | 0 | - | 4.94 | 1,770,481 |
| Countries that Start with C | 0 | - | 4.95 | 1,402,827 |
| Countries that Start with D | 0 | - | 4.96 | 464,990 |
| Countries that Start with E | 0 | - | 4.93 | 1,034,746 |
| Countries that Start with G | 0 | - | 4.95 | 1,132,365 |
| Countries that Start with H | 0 | - | 4.93 | 391,805 |
| Countries that Start with I | 0 | - | 4.91 | 978,475 |
| Countries that Start with J | 0 | - | 4.96 | 395,153 |
| Countries that Start with K | 0 | - | 4.95 | 573,517 |
| Countries that Start with L | 0 | - | 4.98 | 815,187 |
| Countries that Start with N | 0 | - | 4.90 | 836,417 |
| Countries that Start with P | 0 | - | 4.94 | 924,406 |
| Countries that Start with R | 0 | - | 4.42 | 300,834 |
| Countries that Start with S | 0 | - | 4.96 | 1,359,250 |
| Countries that Start with T | 0 | - | 4.89 | 760,529 |
| Countries that Start with U | 0 | - | 4.97 | 686,174 |
| Countries that Start with V | 0 | - | 4.97 | 457,163 |
| Countries that Start with F | 0 | - | 4.76 | 425,157 |
| Countries that Start with M | 0 | - | 4.96 | 1,062,543 |
| Countries that Border China | 0 | - | 4.97 | 212,329 |
| Countries with the Biggest Economies by GDP | 0 | - | 4.65 | 243,202 |
| Top Crude Oil Producing Countries | 0 | - | 4.84 | 145,579 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 165,191 |
| Countries by Alcohol Consumption | 0 | - | 4.36 | 178,974 |
| Countries in World War I | 0 | - | 4.91 | 183,150 |
| Countries with Four Letters | 0 | - | 4.99 | 321,590 |
| Countries of Africa | 0 | - | 5.00 | 1,739,883 |
| Countries of South America | 0 | - | 5.00 | 625,488 |
| Countries of North America Quiz | 0 | - | 5.00 | 709,010 |
| Countries of Oceania | 0 | - | 5.00 | 715,324 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 155,507 |
| Countries with the Most Exports | 0 | - | 4.96 | 112,065 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 206,660 |
| Countries Bordering France | 0 | - | 4.90 | 309,678 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 199,929 |
| Countries Bordering Germany | 0 | - | 4.99 | 293,091 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 131,490 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 253,304 |
| Top Movie Producing Countries | 0 | - | 4.67 | 33,573 |
| Countries of the Soviet Union | 0 | - | 4.99 | 146,479 |
| Countries in their Native Language | 0 | - | 4.97 | 149,839 |
| Countries by Clue #1 | 0 | - | 4.89 | 196,037 |
| Countries with Five Letters Quiz | 0 | - | 4.92 | 192,528 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 158,038 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 126,754 |
| Independence from Whom | 0 | - | 4.99 | 153,110 |
| Countries with the Most Winter Olympics Medals | 0 | - | 4.52 | 145,034 |
| Countries with Z | 0 | - | 4.99 | 223,288 |
| "Land" Countries | 0 | - | 4.98 | 265,362 |
| Largest Economies in 2050 | 0 | - | 4.90 | 88,713 |
| European Countries by Clue | 0 | - | 4.94 | 154,614 |
| Countries with Letters Missing | 0 | - | 4.97 | 143,692 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.95 | 218,023 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,581 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 247,091 |
| Countries by Oil Consumption | 0 | - | 4.95 | 103,989 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 147,228 |
| Countries by Airline Passengers | 0 | - | 4.93 | 41,576 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 83,959 |
| Islands by Country #2 | 0 | - | 4.67 | 63,091 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,464 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 69,668 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 156,527 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.86 | 97,466 |
| Countries that Catch the Most Fish | 0 | - | 4.86 | 90,324 |
| Most Expensive Countries | 0 | - | 4.05 | 104,734 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.51 | 31,685 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,912 |
| Biggest Countries by Area A-Z | 0 | - | 4.94 | 148,376 |
| Countries with the Shortest Total Borders | 0 | - | 4.92 | 73,043 |
| Countries With the Most Languages | 0 | - | 4.90 | 150,903 |
| Countries Closest to Canada | 0 | - | 4.93 | 157,013 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 141,540 |
| Countries Closest to Italy | 0 | - | 4.97 | 148,497 |
| Countries Closest to Spain | 0 | - | 4.96 | 170,846 |
| Countries Ending in "IA" | 0 | - | 4.99 | 150,503 |
| Countries with the Most Muslims | 0 | - | 4.92 | 119,164 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 81,477 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.82 | 65,444 |
| Countries Producing the Most Oranges | 0 | - | 4.52 | 24,851 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 343,105 |
| Countries with the Most Prisoners | 0 | - | 4.88 | 71,746 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 194,293 |
| Countries with the Most Domestic Camels | 0 | - | 4.89 | 34,418 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,336,117 |
| Countries That End in Y | 0 | - | 4.89 | 148,602 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.73 | 29,093 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 163,293 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 144,047 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 168,986 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,895 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.94 | 150,782 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 173,239 |
| Countries with the Longest Perimeter | 0 | - | 4.84 | 65,148 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 143,912 |
| Five Poorest Countries by Continent | 0 | - | 4.95 | 143,885 |
| Tallest Countries North to South | 0 | - | 4.79 | 93,417 |
| Widest Countries East to West | 0 | - | 4.90 | 109,449 |
| Countries with the Most Billionaires per Capita | 0 | - | 4.80 | 65,462 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 76,058 |
| Countries by Net Migration | 0 | - | 4.58 | 58,209 |
| Countries with the Highest Average Elevation | 0 | - | 4.97 | 55,930 |
| Countries Whose Center is Closest to the Equator | 0 | - | 4.64 | 41,102 |
| Countries with the Most Murders | 0 | - | 4.52 | 101,678 |
| Countries with the Most Millionaires | 0 | - | 4.82 | 74,349 |
| Country Chain | 0 | - | 4.92 | 156,856 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.82 | 998,923 |
| Countries with the Least Precipitation | 0 | - | 4.86 | 62,257 |
| Countries with the Most Precipitation | 0 | - | 4.74 | 45,270 |
| Poorest Countries with Exceptions | 0 | - | 4.54 | 89,821 |
| World Map without 12 Countries | 0 | - | 4.96 | 278,839 |
| Every Country Shape | 0 | - | 4.99 | 314,270 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,885,297 |
| Five Biggest Economies by Continent | 0 | - | 4.97 | 144,500 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 118,506 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,868 |
| Countries with Megacities | 0 | - | 4.99 | 176,238 |
| Countries with Multiple Big Islands | 0 | - | 4.91 | 97,717 |
| Every European Country Shape | 0 | - | 4.94 | 152,775 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 165,412 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 170,589 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 168,545 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 143,179 |
| All Countries of the World by Area with Hints | 0 | - | 4.95 | 153,501 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,652,673 |
| Countries of the Middle East | 0 | - | 4.96 | 148,846 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.94 | 214,324 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 80,647 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 106,246 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.94 | 75,813 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.96 | 143,669 |
| One Country By Letter By Continent | 0 | - | 4.99 | 36,730 |
| Most Populous Countries by Year | 0 | - | 4.78 | 79,381 |
| Largest Countries with No Borders | 0 | - | 4.97 | 163,715 |
| Coldest Countries | 0 | - | 4.97 | 100,623 |
| Countries with the Highest Murder Rate | 0 | - | 4.44 | 53,699 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,685 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 143,973 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 85,735 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.58 | 45,660 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.47 | 42,073 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 64,514 |
| Countries with the Most Desert | 0 | - | 4.92 | 95,605 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 171,799 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 176,500 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.96 | 188,685 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.68 | 14,214 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.91 | 54,146 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 61,594 |
| Most Fragile Countries not in Africa | 0 | - | 4.41 | 36,247 |
| Countries by Wealth per Capita | 0 | - | 4.56 | 52,904 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.86 | 44,347 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 160,159 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.94 | 74,766 |
| African Island Countries | 0 | - | 4.95 | 80,604 |
| Asian Island Nations | 0 | - | 4.65 | 69,338 |
| Countries by Milk Production | 0 | - | 4.49 | 18,019 |
| Countries with the Most Total Precipitation | 0 | - | 4.74 | 48,459 |
| Countries with Multiple Populous Islands | 0 | - | 4.78 | 70,955 |
| Richest Island Countries | 0 | - | 4.78 | 66,391 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,724 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 90,586 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.48 | 71,274 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,759 |
| Countries with the Most Mangroves | 0 | - | 4.47 | 29,450 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 116,800 |
