| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 34,060,717 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 734,328 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 343,107 |
| Country Shape Quiz #3 | 0 | - | 4.94 | 245,686 |
| Country Shape Quiz #4 | 0 | - | 4.90 | 179,662 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,164,698 |
| Biggest Countries by Area | 0 | - | 4.99 | 826,678 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 163,579 |
| Countries with the Highest Obesity Rate | 0 | - | 4.37 | 147,710 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,361 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.91 | 294,808 |
| Island Countries Quiz | 0 | - | 4.99 | 575,773 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 293,657 |
| Southernmost Countries of the World | 0 | - | 4.99 | 181,815 |
| Majority Muslim Countries | 0 | - | 4.96 | 281,057 |
| Countries with the Most Borders | 0 | - | 4.96 | 317,249 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 352,209 |
| Countries That Border Russia | 0 | - | 4.98 | 367,180 |
| Countries and Languages Quiz | 0 | - | 4.86 | 215,194 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 254,982 |
| Islands by Country #1 | 0 | - | 4.86 | 149,146 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 286,164 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 172,175 |
| Countries by Borders #1 | 0 | - | 5.00 | 154,036 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 204,899 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 306,053 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 300,488 |
| One Border Countries | 0 | - | 4.98 | 358,020 |
| NATO Countries Quiz | 0 | - | 4.97 | 201,421 |
| EU Countries Quiz | 0 | - | 4.99 | 206,464 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,458,278 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,246,481 |
| Countries that Start with A | 0 | - | 4.96 | 1,624,941 |
| Countries that Start with B | 0 | - | 4.94 | 1,762,485 |
| Countries that Start with C | 0 | - | 4.95 | 1,396,527 |
| Countries that Start with D | 0 | - | 4.96 | 461,776 |
| Countries that Start with E | 0 | - | 4.93 | 1,029,748 |
| Countries that Start with G | 0 | - | 4.95 | 1,126,993 |
| Countries that Start with H | 0 | - | 4.92 | 389,023 |
| Countries that Start with I | 0 | - | 4.90 | 974,153 |
| Countries that Start with J | 0 | - | 4.96 | 392,328 |
| Countries that Start with K | 0 | - | 4.95 | 569,537 |
| Countries that Start with L | 0 | - | 4.98 | 811,106 |
| Countries that Start with N | 0 | - | 4.90 | 832,386 |
| Countries that Start with P | 0 | - | 4.94 | 919,881 |
| Countries that Start with R | 0 | - | 4.41 | 298,599 |
| Countries that Start with S | 0 | - | 4.97 | 1,352,925 |
| Countries that Start with T | 0 | - | 4.89 | 756,885 |
| Countries that Start with U | 0 | - | 4.97 | 682,891 |
| Countries that Start with V | 0 | - | 4.97 | 454,906 |
| Countries that Start with F | 0 | - | 4.74 | 422,301 |
| Countries that Start with M | 0 | - | 4.95 | 1,057,735 |
| Countries that Border China | 0 | - | 4.97 | 211,370 |
| Countries with the Biggest Economies by GDP | 0 | - | 4.71 | 237,548 |
| Top Crude Oil Producing Countries | 0 | - | 4.84 | 144,905 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 164,614 |
| Countries by Alcohol Consumption | 0 | - | 4.36 | 178,441 |
| Countries in World War I | 0 | - | 4.92 | 182,377 |
| Countries with Four Letters | 0 | - | 4.99 | 320,498 |
| Countries of Africa | 0 | - | 5.00 | 1,727,299 |
| Countries of South America | 0 | - | 5.00 | 620,580 |
| Countries of North America Quiz | 0 | - | 5.00 | 703,771 |
| Countries of Oceania | 0 | - | 5.00 | 709,972 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 155,010 |
| Countries with the Most Exports | 0 | - | 4.96 | 111,496 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 205,882 |
| Countries Bordering France | 0 | - | 4.90 | 308,523 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 199,093 |
| Countries Bordering Germany | 0 | - | 4.99 | 291,568 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 131,158 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 252,669 |
| Top Movie Producing Countries | 0 | - | 4.66 | 33,355 |
| Countries of the Soviet Union | 0 | - | 4.99 | 145,796 |
| Countries in their Native Language | 0 | - | 4.97 | 149,439 |
| Countries by Clue #1 | 0 | - | 4.89 | 195,507 |
| Countries with Five Letters Quiz | 0 | - | 4.92 | 192,032 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 157,620 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 126,373 |
| Independence from Whom | 0 | - | 4.99 | 152,618 |
| Countries with the Most Winter Olympics Medals | 0 | - | 4.49 | 144,733 |
| Countries with Z | 0 | - | 4.99 | 222,695 |
| "Land" Countries | 0 | - | 4.98 | 264,018 |
| Largest Economies in 2050 | 0 | - | 4.90 | 88,319 |
| European Countries by Clue | 0 | - | 4.94 | 154,195 |
| Countries with Letters Missing | 0 | - | 4.97 | 143,315 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.95 | 203,497 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,048 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 246,227 |
| Countries by Oil Consumption | 0 | - | 4.95 | 103,737 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,776 |
| Countries by Airline Passengers | 0 | - | 4.93 | 41,243 |
| Countries with the Most Forest | 0 | - | 4.89 | 125,568 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 83,771 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,217 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 69,407 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 88,819 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 156,119 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.86 | 81,762 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 3.87 | 47,124 |
| Countries that Catch the Most Fish | 0 | - | 4.85 | 90,049 |
| Most Expensive Countries | 0 | - | 4.05 | 104,638 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.51 | 31,547 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,177 |
| Biggest Countries by Area A-Z | 0 | - | 4.94 | 147,975 |
| Countries with the Shortest Total Borders | 0 | - | 4.92 | 72,736 |
| Countries With the Most Languages | 0 | - | 4.90 | 149,974 |
| Countries Closest to Canada | 0 | - | 4.93 | 156,204 |
| Countries Closest to Italy | 0 | - | 4.97 | 147,696 |
| Countries Closest to Spain | 0 | - | 4.96 | 169,957 |
| Countries Ending in "IA" | 0 | - | 4.99 | 149,906 |
| Countries with the Most Muslims | 0 | - | 4.92 | 118,798 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 81,282 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.82 | 65,264 |
| Countries Producing the Most Oranges | 0 | - | 4.52 | 24,725 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 341,738 |
| Countries with the Most Prisoners | 0 | - | 4.88 | 71,519 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 193,632 |
| Countries with the Most Domestic Camels | 0 | - | 4.89 | 34,262 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,315,210 |
| Countries That End in Y | 0 | - | 4.89 | 148,180 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.73 | 28,997 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 162,720 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 143,496 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 168,387 |
| Countries with the Most HIV | 0 | - | 4.42 | 39,349 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,229 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.94 | 150,135 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 172,656 |
| Countries with the Longest Perimeter | 0 | - | 4.83 | 64,913 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 143,368 |
| Five Poorest Countries by Continent | 0 | - | 4.96 | 143,413 |
| Tallest Countries North to South | 0 | - | 4.79 | 93,182 |
| Widest Countries East to West | 0 | - | 4.90 | 109,181 |
| Countries with the Most Billionaires per Capita | 0 | - | 4.79 | 65,251 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 75,837 |
| Countries by Net Migration | 0 | - | 4.57 | 57,796 |
| Countries with the Highest Average Elevation | 0 | - | 4.97 | 55,708 |
| Top 10 Solar Power Countries | 0 | - | 4.79 | 51,332 |
| Countries Whose Center is Closest to the Equator | 0 | - | 4.64 | 40,962 |
| Countries with the Most Murders | 0 | - | 4.51 | 101,435 |
| Countries with the Most Millionaires | 0 | - | 4.81 | 74,039 |
| Country Chain | 0 | - | 4.92 | 156,389 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.83 | 994,856 |
| Countries with the Least Precipitation | 0 | - | 4.86 | 62,086 |
| Countries with the Most Precipitation | 0 | - | 4.74 | 45,098 |
| Poorest Countries with Exceptions | 0 | - | 4.52 | 89,603 |
| World Map without 12 Countries | 0 | - | 4.96 | 278,170 |
| Countries with Glaciers | 0 | - | 4.97 | 72,526 |
| Every Country Shape | 0 | - | 4.99 | 312,342 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,870,122 |
| Five Biggest Economies by Continent | 0 | - | 4.97 | 143,935 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,088 |
| Countries with Megacities | 0 | - | 4.99 | 173,743 |
| Every European Country Shape | 0 | - | 4.94 | 152,128 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 164,901 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 169,681 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 167,790 |
| All Countries of the World by Area with Hints | 0 | - | 4.95 | 152,272 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,639,272 |
| Countries of the Middle East | 0 | - | 4.96 | 147,762 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.94 | 191,062 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 80,439 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 105,820 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.94 | 75,495 |
| One Country By Letter By Continent | 0 | - | 4.99 | 35,482 |
| Most Populous Countries by Year | 0 | - | 4.77 | 78,796 |
| Largest Countries with No Borders | 0 | - | 4.97 | 163,200 |
| Coldest Countries | 0 | - | 4.97 | 99,802 |
| Countries with the Highest Murder Rate | 0 | - | 4.43 | 53,562 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 143,388 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 85,401 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.56 | 45,510 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.85 | 124,816 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.47 | 41,979 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 64,216 |
| Countries with the Most Desert | 0 | - | 4.92 | 95,290 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 171,071 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 175,729 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.96 | 187,370 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.67 | 14,093 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.91 | 53,883 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 61,376 |
| Most Fragile Countries not in Africa | 0 | - | 4.41 | 36,125 |
| Tropical Rainforest Countries | 0 | - | 4.47 | 64,146 |
| Countries by Wealth per Capita | 0 | - | 4.54 | 52,758 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.86 | 44,203 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 159,469 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.94 | 74,245 |
| Countries by Milk Production | 0 | - | 4.49 | 17,853 |
| Northernmost Countries Without Glaciers | 0 | - | 4.72 | 16,437 |
| Countries with the Most Total Precipitation | 0 | - | 4.73 | 48,294 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.23 | 31,284 |
| Least-Forested Countries | 0 | - | 4.40 | 48,644 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.54 | 53,882 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 90,106 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.47 | 71,063 |
| Most Forested European Countries | 0 | - | 4.74 | 60,216 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,220 |
| Countries with the Most Mangroves | 0 | - | 4.47 | 29,354 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 116,199 |
