| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 36,118,651 |
| Country Shape Quiz #1 | 0 | - | 4.89 | 769,188 |
| Country Shape Quiz #2 | 0 | - | 4.92 | 354,531 |
| Country Shape Quiz #3 | 0 | - | 4.91 | 252,562 |
| Country Shape Quiz #4 | 0 | - | 4.90 | 184,971 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,207,461 |
| Biggest Countries by Area | 0 | - | 4.99 | 858,849 |
| Countries with the Highest Life Expectancy | 0 | - | 4.80 | 167,070 |
| Countries with the Highest Obesity Rate | 0 | - | 4.41 | 150,508 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 154,853 |
| Spanish-Speaking Countries | 0 | - | 4.88 | 317,832 |
| Island Countries Quiz | 0 | - | 4.99 | 598,499 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 301,231 |
| Southernmost Countries of the World | 0 | - | 4.99 | 186,416 |
| Majority Muslim Countries | 0 | - | 4.97 | 292,855 |
| Countries with the Most Borders | 0 | - | 4.97 | 328,107 |
| Countries with the Longest Coastlines | 0 | - | 4.79 | 362,074 |
| Countries That Border Russia | 0 | - | 4.97 | 383,989 |
| Countries and Languages Quiz | 0 | - | 4.84 | 221,598 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 262,439 |
| Islands by Country #1 | 0 | - | 4.83 | 153,886 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 296,508 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 176,368 |
| Countries by Borders #1 | 0 | - | 4.99 | 167,796 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 210,673 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 315,888 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 309,625 |
| One Border Countries | 0 | - | 4.97 | 375,322 |
| NATO Countries Quiz | 0 | - | 4.98 | 208,618 |
| EU Countries Quiz | 0 | - | 4.99 | 213,038 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,675,511 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,342,840 |
| Countries that Start with A | 0 | - | 4.96 | 1,740,163 |
| Countries that Start with B | 0 | - | 4.92 | 1,878,704 |
| Countries that Start with C | 0 | - | 4.94 | 1,487,394 |
| Countries that Start with D | 0 | - | 4.95 | 514,839 |
| Countries that Start with E | 0 | - | 4.92 | 1,104,227 |
| Countries that Start with G | 0 | - | 4.94 | 1,210,833 |
| Countries that Start with H | 0 | - | 4.91 | 438,042 |
| Countries that Start with I | 0 | - | 4.90 | 1,029,497 |
| Countries that Start with J | 0 | - | 4.97 | 425,591 |
| Countries that Start with K | 0 | - | 4.93 | 611,918 |
| Countries that Start with L | 0 | - | 4.97 | 859,042 |
| Countries that Start with N | 0 | - | 4.87 | 881,224 |
| Countries that Start with P | 0 | - | 4.90 | 974,214 |
| Countries that Start with R | 0 | - | 4.40 | 325,009 |
| Countries that Start with S | 0 | - | 4.97 | 1,431,145 |
| Countries that Start with T | 0 | - | 4.83 | 801,194 |
| Countries that Start with U | 0 | - | 4.96 | 720,235 |
| Countries that Start with V | 0 | - | 4.96 | 481,191 |
| Countries that Start with F | 0 | - | 4.68 | 472,427 |
| Countries that Start with M | 0 | - | 4.94 | 1,117,877 |
| Countries that Border China | 0 | - | 4.96 | 218,236 |
| Countries with the Biggest Economies by GDP | 0 | - | 4.59 | 257,320 |
| Top Crude Oil Producing Countries | 0 | - | 4.82 | 148,646 |
| Countries that Produce the Most Wine | 0 | - | 4.85 | 169,069 |
| Countries by Alcohol Consumption | 0 | - | 4.39 | 182,284 |
| Countries in World War I | 0 | - | 4.91 | 191,212 |
| Countries with Four Letters | 0 | - | 4.99 | 354,578 |
| Countries of Africa | 0 | - | 5.00 | 1,863,443 |
| Countries of South America | 0 | - | 5.00 | 670,738 |
| Countries of North America Quiz | 0 | - | 5.00 | 758,728 |
| Countries of Oceania | 0 | - | 5.00 | 765,586 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 160,616 |
| Countries with the Most Exports | 0 | - | 4.96 | 115,161 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 212,135 |
| Countries Bordering France | 0 | - | 4.82 | 332,733 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 205,183 |
| Countries Bordering Germany | 0 | - | 4.98 | 305,136 |
| Countries with the Highest Population Density | 0 | - | 4.87 | 134,774 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 273,339 |
| Top Movie Producing Countries | 0 | - | 4.68 | 35,480 |
| Countries of the Soviet Union | 0 | - | 4.99 | 154,069 |
| Countries in their Native Language | 0 | - | 4.97 | 153,771 |
| Countries by Clue #1 | 0 | - | 4.88 | 202,376 |
| Countries with Five Letters Quiz | 0 | - | 4.94 | 215,265 |
| Countries with Six Letters Quiz | 0 | - | 4.92 | 163,480 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 130,596 |
| Independence from Whom | 0 | - | 4.99 | 170,802 |
| Countries with the Most Winter Olympics Medals | 0 | - | 4.44 | 150,096 |
| Countries with Z | 0 | - | 4.98 | 229,555 |
| "Land" Countries | 0 | - | 4.97 | 273,512 |
| Largest Economies in 2050 | 0 | - | 4.89 | 91,910 |
| European Countries by Clue | 0 | - | 4.93 | 159,279 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.95 | 224,242 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 178,423 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 255,624 |
| Countries by Oil Consumption | 0 | - | 4.95 | 106,520 |
| Most Populous Countries in 1900 | 0 | - | 4.88 | 151,690 |
| Countries by Airline Passengers | 0 | - | 4.92 | 44,359 |
| Countries with the Most Forest | 0 | - | 4.88 | 128,650 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 85,686 |
| Most Populous Countries in 1950 | 0 | - | 4.45 | 65,870 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 71,627 |
| Top 10 Diamond Producing Countries | 0 | - | 4.45 | 30,233 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 91,410 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 161,010 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.88 | 100,656 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 154,413 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 3.89 | 47,470 |
| Countries that Catch the Most Fish | 0 | - | 4.87 | 93,410 |
| Most Expensive Countries | 0 | - | 4.03 | 106,155 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 32,861 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 189,508 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 153,466 |
| Countries with the Shortest Total Borders | 0 | - | 4.92 | 75,534 |
| Countries With the Most Languages | 0 | - | 4.88 | 157,500 |
| Countries Closest to Canada | 0 | - | 4.90 | 161,708 |
| Countries Closest to Italy | 0 | - | 4.97 | 163,663 |
| Countries Closest to Spain | 0 | - | 4.96 | 177,839 |
| Countries Ending in "IA" | 0 | - | 4.99 | 156,702 |
| Countries with the Most Muslims | 0 | - | 4.90 | 122,799 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.94 | 83,271 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.80 | 67,049 |
| Countries Producing the Most Oranges | 0 | - | 4.55 | 25,991 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 356,924 |
| Countries with the Most Prisoners | 0 | - | 4.83 | 73,694 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 200,427 |
| Countries with the Most Domestic Camels | 0 | - | 4.87 | 35,876 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,550,066 |
| Countries That End in Y | 0 | - | 4.87 | 153,388 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.82 | 30,021 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 168,261 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 149,731 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 175,481 |
| Countries with the Most HIV | 0 | - | 4.47 | 40,660 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 231,211 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.93 | 156,094 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.92 | 180,661 |
| Countries with the Longest Perimeter | 0 | - | 4.79 | 67,134 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 148,526 |
| Tallest Countries North to South | 0 | - | 4.76 | 104,824 |
| Widest Countries East to West | 0 | - | 4.90 | 112,988 |
| Countries with the Most Billionaires per Capita | 0 | - | 4.83 | 67,246 |
| Countries with the Most Nobel Prizes | 0 | - | 4.85 | 78,088 |
| Countries by Net Migration | 0 | - | 4.60 | 59,881 |
| Countries with the Highest Average Elevation | 0 | - | 4.97 | 57,693 |
| Top 10 Solar Power Countries | 0 | - | 4.82 | 53,197 |
| Countries Whose Center is Closest to the Equator | 0 | - | 4.68 | 42,358 |
| Countries with the Most Murders | 0 | - | 4.47 | 104,357 |
| Countries with the Most Millionaires | 0 | - | 4.76 | 76,593 |
| Country Chain | 0 | - | 4.91 | 163,100 |
| Olympic Host Countries | 0 | - | 4.98 | 149,361 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.80 | 1,043,682 |
| Countries with the Least Precipitation | 0 | - | 4.88 | 63,930 |
| Countries with the Most Precipitation | 0 | - | 4.76 | 46,600 |
| Poorest Countries with Exceptions | 0 | - | 4.47 | 91,856 |
| World Map without 12 Countries | 0 | - | 4.96 | 285,578 |
| Countries with Glaciers | 0 | - | 4.97 | 74,772 |
| Every Country Shape | 0 | - | 5.00 | 334,277 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,027,909 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 149,337 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 226,904 |
| Countries with Megacities | 0 | - | 4.99 | 181,701 |
| Every European Country Shape | 0 | - | 4.93 | 158,606 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 170,848 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 180,221 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 176,345 |
| All Countries of the World by Area with Hints | 0 | - | 4.95 | 165,624 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,781,205 |
| Countries of the Middle East | 0 | - | 4.95 | 155,469 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.91 | 228,609 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 82,659 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 109,839 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.94 | 79,040 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.96 | 162,359 |
| One Country By Letter By Continent | 0 | - | 4.99 | 47,972 |
| Most Populous Countries by Year | 0 | - | 4.71 | 83,038 |
| Largest Countries with No Borders | 0 | - | 4.96 | 169,497 |
| Coldest Countries | 0 | - | 4.97 | 104,154 |
| Countries with the Highest Murder Rate | 0 | - | 4.62 | 68,759 |
| Countries of Europe After World War II | 0 | - | 4.97 | 151,737 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 150,113 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 88,761 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.61 | 47,022 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.86 | 128,062 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.48 | 43,026 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 66,885 |
| Countries with the Most Desert | 0 | - | 4.89 | 98,631 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 179,906 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.87 | 182,745 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 202,356 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.78 | 15,183 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.88 | 56,178 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 63,442 |
| Most Fragile Countries not in Africa | 0 | - | 4.42 | 53,995 |
| Tropical Rainforest Countries | 0 | - | 4.46 | 65,527 |
| Countries by Wealth per Capita | 0 | - | 4.49 | 54,218 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.88 | 45,404 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 168,029 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.96 | 77,309 |
| Countries by Milk Production | 0 | - | 4.53 | 19,326 |
| Northernmost Countries Without Glaciers | 0 | - | 4.64 | 17,553 |
| Countries with the Most Total Precipitation | 0 | - | 4.70 | 49,916 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.97 | 161,124 |
| Countries with the Most Malaria Deaths | 0 | - | 4.38 | 30,273 |
| Least-Forested Countries | 0 | - | 4.41 | 49,807 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.52 | 55,525 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 95,546 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.45 | 73,002 |
