| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 34,257,853 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 737,598 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 344,197 |
| Country Shape Quiz #3 | 0 | - | 4.94 | 246,409 |
| Country Shape Quiz #4 | 0 | - | 4.91 | 180,217 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,168,932 |
| Biggest Countries by Area | 0 | - | 4.99 | 829,809 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 163,918 |
| Countries with the Highest Obesity Rate | 0 | - | 4.37 | 147,976 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,902 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.90 | 295,729 |
| Island Countries Quiz | 0 | - | 4.99 | 577,689 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 294,605 |
| Southernmost Countries of the World | 0 | - | 4.99 | 182,252 |
| Majority Muslim Countries | 0 | - | 4.96 | 281,879 |
| Countries with the Most Borders | 0 | - | 4.96 | 318,374 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 353,087 |
| Countries That Border Russia | 0 | - | 4.98 | 368,684 |
| Countries and Languages Quiz | 0 | - | 4.86 | 215,732 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 255,834 |
| 2010 FIFA World Cup Teams | 0 | - | 4.48 | 127,031 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 287,287 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 172,599 |
| Countries by Borders #1 | 0 | - | 5.00 | 154,477 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 205,453 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 306,995 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 301,307 |
| One Border Countries | 0 | - | 4.98 | 359,686 |
| NATO Countries Quiz | 0 | - | 4.97 | 202,068 |
| EU Countries Quiz | 0 | - | 4.99 | 207,179 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,480,188 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,255,970 |
| Countries that Start with A | 0 | - | 4.96 | 1,633,123 |
| Countries that Start with B | 0 | - | 4.94 | 1,770,695 |
| Countries that Start with C | 0 | - | 4.95 | 1,403,004 |
| Countries that Start with D | 0 | - | 4.96 | 465,100 |
| Countries that Start with E | 0 | - | 4.93 | 1,034,898 |
| Countries that Start with G | 0 | - | 4.95 | 1,132,591 |
| Countries that Start with H | 0 | - | 4.93 | 391,892 |
| Countries that Start with I | 0 | - | 4.91 | 978,609 |
| Countries that Start with J | 0 | - | 4.96 | 395,240 |
| Countries that Start with K | 0 | - | 4.95 | 573,637 |
| Countries that Start with L | 0 | - | 4.98 | 815,328 |
| Countries that Start with N | 0 | - | 4.90 | 836,604 |
| Countries that Start with P | 0 | - | 4.94 | 924,539 |
| Countries that Start with R | 0 | - | 4.42 | 300,905 |
| Countries that Start with S | 0 | - | 4.96 | 1,359,415 |
| Countries that Start with T | 0 | - | 4.89 | 760,649 |
| Countries that Start with U | 0 | - | 4.97 | 686,272 |
| Countries that Start with V | 0 | - | 4.97 | 457,236 |
| Countries that Start with F | 0 | - | 4.76 | 425,243 |
| Countries that Start with M | 0 | - | 4.96 | 1,062,683 |
| Countries that Border China | 0 | - | 4.97 | 212,347 |
| Countries with the Biggest Economies by GDP | 0 | - | 4.65 | 243,232 |
| Top Crude Oil Producing Countries | 0 | - | 4.84 | 145,587 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 165,197 |
| Countries by Alcohol Consumption | 0 | - | 4.36 | 178,983 |
| Countries in World War I | 0 | - | 4.91 | 183,167 |
| Countries with Four Letters | 0 | - | 4.99 | 321,610 |
| Countries of Africa | 0 | - | 5.00 | 1,740,155 |
| FIFA World Cup Winners | 0 | - | 4.85 | 186,363 |
| Countries of South America | 0 | - | 5.00 | 625,596 |
| Countries of North America Quiz | 0 | - | 5.00 | 709,114 |
| Countries of Oceania | 0 | - | 5.00 | 715,411 |
| FIFA World Cup Host Countries | 0 | - | 4.97 | 185,306 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 155,516 |
| Countries with the Most Exports | 0 | - | 4.96 | 112,076 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 206,667 |
| Countries Bordering France | 0 | - | 4.90 | 309,714 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 199,944 |
| Countries Bordering Germany | 0 | - | 4.99 | 293,118 |
| FIFA World Cup Top 4 Positions | 0 | - | 4.96 | 340,959 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 131,504 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 253,318 |
| Top Movie Producing Countries | 0 | - | 4.67 | 33,577 |
| All Teams to Ever Play a FIFA World Cup | 0 | - | 4.95 | 263,997 |
| City by Football Clubs | 0 | - | 4.42 | 116,768 |
| Countries by Clue #1 | 0 | - | 4.89 | 196,048 |
| Countries with Five Letters Quiz | 0 | - | 4.92 | 192,541 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 158,049 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 126,769 |
| Independence from Whom | 0 | - | 4.99 | 153,120 |
| Countries with the Most Winter Olympics Medals | 0 | - | 4.52 | 145,050 |
| Countries with Z | 0 | - | 4.99 | 223,298 |
| "Land" Countries | 0 | - | 4.98 | 265,374 |
| Largest Economies in 2050 | 0 | - | 4.90 | 88,722 |
| European Countries by Clue | 0 | - | 4.94 | 154,636 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.95 | 218,050 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,596 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 247,108 |
| Countries by Oil Consumption | 0 | - | 4.95 | 103,994 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 147,240 |
| Countries by Airline Passengers | 0 | - | 4.93 | 41,584 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 83,964 |
| 2014 FIFA World Cup Teams | 0 | - | 4.54 | 105,702 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,469 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 69,672 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 156,540 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.86 | 97,482 |
| Countries that Catch the Most Fish | 0 | - | 4.86 | 90,335 |
| Most Expensive Countries | 0 | - | 4.05 | 104,737 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.51 | 31,690 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,929 |
| Countries with the Shortest Total Borders | 0 | - | 4.92 | 73,052 |
| Countries With the Most Languages | 0 | - | 4.90 | 150,914 |
| Countries Closest to Canada | 0 | - | 4.93 | 157,029 |
| Countries Closest to Spain | 0 | - | 4.96 | 170,863 |
| Countries Ending in "IA" | 0 | - | 4.99 | 150,538 |
| Countries with the Most Muslims | 0 | - | 4.92 | 119,168 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 81,483 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.82 | 65,453 |
| Countries Producing the Most Oranges | 0 | - | 4.52 | 24,852 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 343,139 |
| Countries with the Most Prisoners | 0 | - | 4.88 | 71,749 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 194,306 |
| Countries with the Most Domestic Camels | 0 | - | 4.89 | 34,419 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,336,542 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.73 | 29,094 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 163,305 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 168,995 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,908 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.94 | 150,798 |
| FIFA Women's World Cup Top 4 Positions | 0 | - | 4.50 | 50,984 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 173,255 |
| Countries with the Longest Perimeter | 0 | - | 4.84 | 65,151 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 143,920 |
| Tallest Countries North to South | 0 | - | 4.79 | 93,421 |
| Widest Countries East to West | 0 | - | 4.90 | 109,455 |
| Countries with the Most Billionaires per Capita | 0 | - | 4.80 | 65,469 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 76,061 |
| Countries by Net Migration | 0 | - | 4.58 | 58,213 |
| Countries with the Highest Average Elevation | 0 | - | 4.97 | 55,930 |
| Countries Whose Center is Closest to the Equator | 0 | - | 4.64 | 41,106 |
| Countries with the Most Murders | 0 | - | 4.52 | 101,683 |
| Countries with the Most Millionaires | 0 | - | 4.82 | 74,355 |
| Country Chain | 0 | - | 4.92 | 156,865 |
| Olympic Host Countries | 0 | - | 4.98 | 141,198 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.82 | 999,001 |
| Countries with the Least Precipitation | 0 | - | 4.86 | 62,263 |
| Countries with the Most Precipitation | 0 | - | 4.74 | 45,270 |
| Poorest Countries with Exceptions | 0 | - | 4.54 | 89,824 |
| World Map without 12 Countries | 0 | - | 4.96 | 278,859 |
| Every Country Shape | 0 | - | 4.99 | 314,312 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,885,630 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.45 | 51,446 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,886 |
| Countries With the Most NBA Players | 0 | - | 4.44 | 67,419 |
| Countries with Megacities | 0 | - | 4.99 | 176,251 |
| Every European Country Shape | 0 | - | 4.94 | 152,789 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 165,423 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 170,612 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 168,559 |
| Countries with Major League Baseball Players | 0 | - | 4.48 | 46,431 |
| All Countries of the World by Area with Hints | 0 | - | 4.95 | 153,547 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,652,992 |
| Countries with the Most Downhill Skiing | 0 | - | 4.92 | 43,554 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.94 | 214,396 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 80,654 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 106,253 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.94 | 75,816 |
| Countries with the Fastest Marathoners | 0 | - | 4.43 | 63,145 |
| One Country By Letter By Continent | 0 | - | 4.99 | 36,753 |
| Most Populous Countries by Year | 0 | - | 4.78 | 79,389 |
| Largest Countries with No Borders | 0 | - | 4.97 | 163,728 |
| Coldest Countries | 0 | - | 4.97 | 100,637 |
| Countries with the Highest Murder Rate | 0 | - | 4.44 | 53,701 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.94 | 92,385 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 85,741 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.58 | 45,664 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.85 | 125,131 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.47 | 42,075 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 64,519 |
| Countries with the Most Desert | 0 | - | 4.92 | 95,611 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 171,812 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 176,510 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.96 | 188,713 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.68 | 14,217 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.91 | 54,150 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 61,597 |
| Most Fragile Countries not in Africa | 0 | - | 4.41 | 36,248 |
| Countries by Wealth per Capita | 0 | - | 4.56 | 52,910 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.86 | 44,349 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 160,174 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.94 | 74,772 |
| Countries by Milk Production | 0 | - | 4.49 | 18,022 |
| Countries with the Most Total Precipitation | 0 | - | 4.74 | 48,463 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.01 | 51,169 |
| Countries that Export the Most Football Players | 0 | - | 4.31 | 42,131 |
| 2022 FIFA World Cup Teams | 0 | - | 4.72 | 56,763 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 90,601 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.48 | 71,279 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,773 |
| Countries with the Most Mangroves | 0 | - | 4.47 | 29,450 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 116,815 |
| Flags of Countries in the World Cup 2018 | 0 | - | 4.78 | 74,260 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.72 | 61,929 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.91 | 85,380 |
| 2018 FIFA World Cup Teams | 0 | - | 4.52 | 53,241 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.80 | 20,985 |
| Countries by Sports League Revenue | 0 | - | 4.87 | 35,881 |
