| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 33,996,755 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 733,295 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 342,748 |
| Country Shape Quiz #3 | 0 | - | 4.94 | 245,476 |
| Country Shape Quiz #4 | 0 | - | 4.90 | 179,474 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,163,294 |
| Biggest Countries by Area | 0 | - | 4.99 | 825,632 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 163,455 |
| Countries with the Highest Obesity Rate | 0 | - | 4.37 | 147,628 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,226 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.91 | 294,518 |
| Island Countries Quiz | 0 | - | 4.99 | 575,092 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 293,443 |
| Southernmost Countries of the World | 0 | - | 4.99 | 181,611 |
| Majority Muslim Countries | 0 | - | 4.96 | 280,754 |
| Countries with the Most Borders | 0 | - | 4.96 | 316,916 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 351,920 |
| Countries That Border Russia | 0 | - | 4.98 | 366,715 |
| Countries and Languages Quiz | 0 | - | 4.86 | 214,998 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 254,721 |
| Islands by Country #1 | 0 | - | 4.86 | 148,792 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 285,872 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 172,051 |
| Countries by Borders #1 | 0 | - | 5.00 | 153,897 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 204,763 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 305,748 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 300,208 |
| One Border Countries | 0 | - | 4.98 | 357,479 |
| Countries by Official Language | 0 | - | 4.93 | 141,735 |
| NATO Countries Quiz | 0 | - | 4.97 | 201,143 |
| EU Countries Quiz | 0 | - | 4.99 | 206,282 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,451,384 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,243,284 |
| Countries that Start with A | 0 | - | 4.96 | 1,622,044 |
| Countries that Start with B | 0 | - | 4.94 | 1,759,519 |
| Countries that Start with C | 0 | - | 4.95 | 1,394,185 |
| Countries that Start with D | 0 | - | 4.96 | 460,578 |
| Countries that Start with E | 0 | - | 4.93 | 1,027,854 |
| Countries that Start with G | 0 | - | 4.95 | 1,124,957 |
| Countries that Start with H | 0 | - | 4.92 | 388,018 |
| Countries that Start with I | 0 | - | 4.90 | 972,545 |
| Countries that Start with J | 0 | - | 4.96 | 391,314 |
| Countries that Start with K | 0 | - | 4.94 | 568,220 |
| Countries that Start with L | 0 | - | 4.98 | 809,641 |
| Countries that Start with N | 0 | - | 4.90 | 830,903 |
| Countries that Start with P | 0 | - | 4.94 | 918,144 |
| Countries that Start with R | 0 | - | 4.41 | 297,727 |
| Countries that Start with S | 0 | - | 4.97 | 1,350,591 |
| Countries that Start with T | 0 | - | 4.88 | 755,472 |
| Countries that Start with U | 0 | - | 4.97 | 681,661 |
| Countries that Start with V | 0 | - | 4.97 | 454,050 |
| Countries that Start with F | 0 | - | 4.74 | 421,233 |
| Countries that Start with M | 0 | - | 4.95 | 1,055,975 |
| Countries that Border China | 0 | - | 4.97 | 211,158 |
| Countries with the Biggest Economies by GDP | 0 | - | 4.71 | 237,368 |
| Top Crude Oil Producing Countries | 0 | - | 4.83 | 144,788 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 164,448 |
| Countries by Alcohol Consumption | 0 | - | 4.36 | 178,319 |
| Countries in World War I | 0 | - | 4.92 | 182,091 |
| Countries with Four Letters | 0 | - | 4.99 | 320,111 |
| Countries of Africa | 0 | - | 5.00 | 1,722,886 |
| Countries of South America | 0 | - | 5.00 | 619,103 |
| Countries of North America Quiz | 0 | - | 5.00 | 702,025 |
| Countries of Oceania | 0 | - | 5.00 | 707,986 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 154,841 |
| Countries with the Most Exports | 0 | - | 4.96 | 111,412 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 205,705 |
| Countries Bordering France | 0 | - | 4.90 | 308,131 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 198,903 |
| Countries Bordering Germany | 0 | - | 4.99 | 291,209 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 131,056 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 252,465 |
| Top Movie Producing Countries | 0 | - | 4.66 | 33,279 |
| Countries of the Soviet Union | 0 | - | 4.99 | 145,569 |
| Countries in their Native Language | 0 | - | 4.97 | 149,275 |
| Countries by Clue #1 | 0 | - | 4.89 | 195,290 |
| Countries with Five Letters Quiz | 0 | - | 4.92 | 191,832 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 157,444 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 126,236 |
| Independence from Whom | 0 | - | 4.99 | 152,467 |
| Countries with the Most Winter Olympics Medals | 0 | - | 4.49 | 144,637 |
| Countries with Z | 0 | - | 4.99 | 222,474 |
| "Land" Countries | 0 | - | 4.98 | 261,677 |
| Largest Economies in 2050 | 0 | - | 4.90 | 88,207 |
| European Countries by Clue | 0 | - | 4.95 | 154,056 |
| Countries with Letters Missing | 0 | - | 4.97 | 143,186 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.95 | 202,164 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 172,591 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 245,906 |
| Countries by Oil Consumption | 0 | - | 4.95 | 103,632 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,624 |
| Countries by Airline Passengers | 0 | - | 4.93 | 41,110 |
| Countries with the Most Forest | 0 | - | 4.89 | 125,450 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 83,693 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,151 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 69,307 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 88,738 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 155,971 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.87 | 81,371 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 3.87 | 47,108 |
| Countries that Catch the Most Fish | 0 | - | 4.84 | 89,979 |
| Most Expensive Countries | 0 | - | 4.05 | 104,598 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.51 | 31,488 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 180,955 |
| Biggest Countries by Area A-Z | 0 | - | 4.94 | 147,787 |
| Countries with the Shortest Total Borders | 0 | - | 4.92 | 72,641 |
| Countries With the Most Languages | 0 | - | 4.90 | 149,742 |
| Countries Closest to Canada | 0 | - | 4.92 | 156,050 |
| Countries Closest to Italy | 0 | - | 4.97 | 147,454 |
| Countries Closest to Spain | 0 | - | 4.96 | 169,718 |
| Countries Ending in "IA" | 0 | - | 4.99 | 149,630 |
| Countries with the Most Muslims | 0 | - | 4.92 | 118,698 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 81,223 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.82 | 65,199 |
| Countries Producing the Most Oranges | 0 | - | 4.52 | 24,676 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 341,308 |
| Countries with the Most Prisoners | 0 | - | 4.88 | 71,450 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 193,411 |
| Countries with the Most Domestic Camels | 0 | - | 4.89 | 34,206 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,307,292 |
| Countries That End in Y | 0 | - | 4.89 | 147,951 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.73 | 28,954 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 162,525 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 143,291 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 168,140 |
| Countries with the Most HIV | 0 | - | 4.42 | 39,294 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 223,977 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.94 | 149,787 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 172,434 |
| Countries with the Longest Perimeter | 0 | - | 4.82 | 64,842 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 143,171 |
| Five Poorest Countries by Continent | 0 | - | 4.96 | 143,257 |
| Tallest Countries North to South | 0 | - | 4.79 | 93,101 |
| Widest Countries East to West | 0 | - | 4.90 | 109,067 |
| Countries with the Most Billionaires per Capita | 0 | - | 4.79 | 65,179 |
| Countries with the Most Nobel Prizes | 0 | - | 4.86 | 75,743 |
| Countries by Net Migration | 0 | - | 4.56 | 57,053 |
| Countries with the Highest Average Elevation | 0 | - | 4.97 | 55,644 |
| Top 10 Solar Power Countries | 0 | - | 4.82 | 51,271 |
| Countries Whose Center is Closest to the Equator | 0 | - | 4.64 | 40,919 |
| Countries with the Most Murders | 0 | - | 4.51 | 101,348 |
| Countries with the Most Millionaires | 0 | - | 4.81 | 73,936 |
| Country Chain | 0 | - | 4.92 | 156,204 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.83 | 993,481 |
| Countries with the Least Precipitation | 0 | - | 4.86 | 62,024 |
| Countries with the Most Precipitation | 0 | - | 4.74 | 45,042 |
| Poorest Countries with Exceptions | 0 | - | 4.52 | 89,531 |
| World Map without 12 Countries | 0 | - | 4.96 | 277,942 |
| Countries with Glaciers | 0 | - | 4.97 | 72,443 |
| Every Country Shape | 0 | - | 4.99 | 311,616 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,864,740 |
| Five Biggest Economies by Continent | 0 | - | 4.97 | 143,794 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 216,819 |
| Countries with Megacities | 0 | - | 4.99 | 158,132 |
| Every European Country Shape | 0 | - | 4.94 | 151,840 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 164,677 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 169,292 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 167,399 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 142,240 |
| All Countries of the World by Area with Hints | 0 | - | 4.95 | 151,929 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,634,846 |
| Countries of the Middle East | 0 | - | 4.96 | 147,488 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.94 | 190,709 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 80,380 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 105,688 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.94 | 75,386 |
| One Country By Letter By Continent | 0 | - | 4.99 | 35,074 |
| Most Populous Countries by Year | 0 | - | 4.77 | 78,638 |
| Largest Countries with No Borders | 0 | - | 4.97 | 163,024 |
| Coldest Countries | 0 | - | 4.97 | 99,689 |
| Countries with the Highest Murder Rate | 0 | - | 4.43 | 53,512 |
| Countries of Europe After World War II | 0 | - | 4.97 | 142,687 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 143,188 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 85,297 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.57 | 45,472 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.84 | 124,705 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.47 | 41,933 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 64,131 |
| Countries with the Most Desert | 0 | - | 4.92 | 95,196 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 170,819 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 175,330 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.96 | 186,886 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.67 | 14,065 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.91 | 53,809 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 61,321 |
| Most Fragile Countries not in Africa | 0 | - | 4.41 | 36,086 |
| Tropical Rainforest Countries | 0 | - | 4.48 | 64,103 |
| Countries by Wealth per Capita | 0 | - | 4.55 | 52,694 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.86 | 44,149 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 159,204 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.94 | 74,155 |
| Countries by Milk Production | 0 | - | 4.54 | 17,802 |
| Northernmost Countries Without Glaciers | 0 | - | 4.72 | 16,381 |
| Countries with the Most Total Precipitation | 0 | - | 4.73 | 48,243 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.97 | 141,876 |
| Countries with the Most Malaria Deaths | 0 | - | 4.36 | 29,379 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.55 | 53,830 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 89,971 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.47 | 70,983 |
| Most Forested European Countries | 0 | - | 4.74 | 60,163 |
