| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 34,095,732 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 734,954 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 343,319 |
| Country Shape Quiz #3 | 0 | - | 4.94 | 245,829 |
| Country Shape Quiz #4 | 0 | - | 4.90 | 179,772 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,165,465 |
| Biggest Countries by Area | 0 | - | 4.99 | 827,266 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 163,654 |
| Countries with the Highest Obesity Rate | 0 | - | 4.37 | 147,758 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,590 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.91 | 294,984 |
| Island Countries Quiz | 0 | - | 4.99 | 576,082 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 293,772 |
| Southernmost Countries of the World | 0 | - | 4.99 | 181,883 |
| Majority Muslim Countries | 0 | - | 4.96 | 281,191 |
| Countries with the Most Borders | 0 | - | 4.96 | 317,458 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 352,381 |
| Countries That Border Russia | 0 | - | 4.98 | 367,444 |
| Countries and Languages Quiz | 0 | - | 4.86 | 215,282 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 255,124 |
| Islands by Country #1 | 0 | - | 4.86 | 149,219 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 286,289 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 172,262 |
| Countries by Borders #1 | 0 | - | 5.00 | 154,098 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 204,990 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 306,221 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 300,624 |
| One Border Countries | 0 | - | 4.98 | 358,314 |
| Countries by Official Language | 0 | - | 4.93 | 141,954 |
| NATO Countries Quiz | 0 | - | 4.97 | 201,524 |
| EU Countries Quiz | 0 | - | 4.99 | 206,696 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,462,115 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,248,195 |
| Countries that Start with A | 0 | - | 4.96 | 1,626,455 |
| Countries that Start with B | 0 | - | 4.94 | 1,763,955 |
| Countries that Start with C | 0 | - | 4.95 | 1,397,721 |
| Countries that Start with D | 0 | - | 4.96 | 462,407 |
| Countries that Start with E | 0 | - | 4.93 | 1,030,711 |
| Countries that Start with G | 0 | - | 4.95 | 1,128,006 |
| Countries that Start with H | 0 | - | 4.92 | 389,582 |
| Countries that Start with I | 0 | - | 4.90 | 975,003 |
| Countries that Start with J | 0 | - | 4.96 | 392,851 |
| Countries that Start with K | 0 | - | 4.95 | 570,600 |
| Countries that Start with L | 0 | - | 4.98 | 811,826 |
| Countries that Start with N | 0 | - | 4.90 | 833,097 |
| Countries that Start with P | 0 | - | 4.94 | 920,720 |
| Countries that Start with R | 0 | - | 4.41 | 299,028 |
| Countries that Start with S | 0 | - | 4.97 | 1,354,067 |
| Countries that Start with T | 0 | - | 4.89 | 757,554 |
| Countries that Start with U | 0 | - | 4.97 | 683,507 |
| Countries that Start with V | 0 | - | 4.97 | 455,347 |
| Countries that Start with F | 0 | - | 4.74 | 422,905 |
| Countries that Start with M | 0 | - | 4.95 | 1,058,559 |
| Countries that Border China | 0 | - | 4.97 | 211,792 |
| Countries with the Biggest Economies by GDP | 0 | - | 4.71 | 238,178 |
| Top Crude Oil Producing Countries | 0 | - | 4.84 | 144,974 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 164,761 |
| Countries by Alcohol Consumption | 0 | - | 4.36 | 178,647 |
| Countries in World War I | 0 | - | 4.92 | 182,532 |
| Countries with Four Letters | 0 | - | 4.99 | 320,701 |
| Countries of Africa | 0 | - | 5.00 | 1,729,584 |
| Countries of South America | 0 | - | 5.00 | 621,441 |
| Countries of North America Quiz | 0 | - | 5.00 | 704,582 |
| Countries of Oceania | 0 | - | 5.00 | 710,933 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 155,103 |
| Countries with the Most Exports | 0 | - | 4.96 | 111,797 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 205,988 |
| Countries Bordering France | 0 | - | 4.90 | 308,712 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 199,218 |
| Countries Bordering Germany | 0 | - | 4.99 | 291,766 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 131,217 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 252,785 |
| Top Movie Producing Countries | 0 | - | 4.66 | 33,390 |
| Countries of the Soviet Union | 0 | - | 4.99 | 145,912 |
| Countries in their Native Language | 0 | - | 4.97 | 149,504 |
| Countries by Clue #1 | 0 | - | 4.89 | 195,615 |
| Countries with Five Letters Quiz | 0 | - | 4.92 | 192,124 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 157,691 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 126,444 |
| Independence from Whom | 0 | - | 4.99 | 152,718 |
| Countries with the Most Winter Olympics Medals | 0 | - | 4.51 | 144,778 |
| Countries with Z | 0 | - | 4.99 | 222,797 |
| "Land" Countries | 0 | - | 4.98 | 264,485 |
| Largest Economies in 2050 | 0 | - | 4.90 | 88,394 |
| European Countries by Clue | 0 | - | 4.94 | 154,260 |
| Countries with Letters Missing | 0 | - | 4.97 | 143,390 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.94 | 206,439 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,158 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 246,386 |
| Countries by Oil Consumption | 0 | - | 4.95 | 103,783 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,854 |
| Countries by Airline Passengers | 0 | - | 4.93 | 41,308 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 83,807 |
| Islands by Country #2 | 0 | - | 4.67 | 62,927 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,264 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 69,451 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 156,193 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.86 | 89,620 |
| Countries that Catch the Most Fish | 0 | - | 4.85 | 90,093 |
| Most Expensive Countries | 0 | - | 4.05 | 104,651 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.51 | 31,580 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,316 |
| Biggest Countries by Area A-Z | 0 | - | 4.94 | 148,050 |
| Countries with the Shortest Total Borders | 0 | - | 4.92 | 72,781 |
| Countries With the Most Languages | 0 | - | 4.90 | 150,109 |
| Countries Closest to Canada | 0 | - | 4.93 | 156,298 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 141,026 |
| Countries Closest to Italy | 0 | - | 4.97 | 147,810 |
| Countries Closest to Spain | 0 | - | 4.96 | 170,091 |
| Countries Ending in "IA" | 0 | - | 4.99 | 150,019 |
| Countries with the Most Muslims | 0 | - | 4.92 | 118,866 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 81,313 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.82 | 65,302 |
| Countries Producing the Most Oranges | 0 | - | 4.52 | 24,742 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 341,969 |
| Countries with the Most Prisoners | 0 | - | 4.88 | 71,562 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 193,742 |
| Countries with the Most Domestic Camels | 0 | - | 4.89 | 34,294 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,319,242 |
| Countries That End in Y | 0 | - | 4.89 | 148,240 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.73 | 29,026 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 162,821 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 143,599 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 168,491 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,370 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.94 | 150,300 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 172,786 |
| Countries with the Longest Perimeter | 0 | - | 4.83 | 64,961 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 143,467 |
| Five Poorest Countries by Continent | 0 | - | 4.96 | 143,504 |
| Tallest Countries North to South | 0 | - | 4.79 | 93,234 |
| Widest Countries East to West | 0 | - | 4.90 | 109,229 |
| Countries with the Most Billionaires per Capita | 0 | - | 4.79 | 65,292 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 75,880 |
| Countries by Net Migration | 0 | - | 4.57 | 57,930 |
| Countries with the Highest Average Elevation | 0 | - | 4.97 | 55,759 |
| Countries Whose Center is Closest to the Equator | 0 | - | 4.64 | 40,992 |
| Countries with the Most Murders | 0 | - | 4.51 | 101,480 |
| Countries with the Most Millionaires | 0 | - | 4.81 | 74,113 |
| Country Chain | 0 | - | 4.92 | 156,467 |
| Olympic Host Countries | 0 | - | 4.98 | 140,804 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.83 | 995,548 |
| Countries with the Least Precipitation | 0 | - | 4.86 | 62,111 |
| Countries with the Most Precipitation | 0 | - | 4.74 | 45,131 |
| Poorest Countries with Exceptions | 0 | - | 4.52 | 89,640 |
| World Map without 12 Countries | 0 | - | 4.96 | 278,291 |
| Every Country Shape | 0 | - | 4.99 | 312,667 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,873,275 |
| Five Biggest Economies by Continent | 0 | - | 4.97 | 144,051 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 118,207 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,231 |
| Countries with Megacities | 0 | - | 4.99 | 175,047 |
| Countries with Multiple Big Islands | 0 | - | 4.91 | 97,498 |
| Every European Country Shape | 0 | - | 4.94 | 152,267 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 165,005 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 169,857 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 167,938 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 142,764 |
| All Countries of the World by Area with Hints | 0 | - | 4.95 | 152,494 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,641,580 |
| Countries of the Middle East | 0 | - | 4.96 | 147,933 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.94 | 191,288 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 80,481 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 105,891 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.94 | 75,557 |
| One Country By Letter By Continent | 0 | - | 4.99 | 35,751 |
| Most Populous Countries by Year | 0 | - | 4.77 | 78,871 |
| Largest Countries with No Borders | 0 | - | 4.97 | 163,312 |
| Coldest Countries | 0 | - | 4.97 | 99,855 |
| Countries with the Highest Murder Rate | 0 | - | 4.43 | 53,592 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,120 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 143,494 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 85,468 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.56 | 45,535 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.47 | 41,996 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 64,270 |
| Countries with the Most Desert | 0 | - | 4.92 | 95,355 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 171,207 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 175,885 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.96 | 187,628 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.67 | 14,110 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.91 | 53,922 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 61,411 |
| Most Fragile Countries not in Africa | 0 | - | 4.41 | 36,150 |
| Countries by Wealth per Capita | 0 | - | 4.54 | 52,784 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.86 | 44,224 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 159,595 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.94 | 74,291 |
| African Island Countries | 0 | - | 4.95 | 80,165 |
| Asian Island Nations | 0 | - | 4.65 | 69,160 |
| Countries by Milk Production | 0 | - | 4.49 | 17,896 |
| Countries with the Most Total Precipitation | 0 | - | 4.73 | 48,330 |
| Countries with Multiple Populous Islands | 0 | - | 4.78 | 70,793 |
| Richest Island Countries | 0 | - | 4.77 | 66,221 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,213 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 90,187 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.47 | 71,100 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,298 |
| Countries with the Most Mangroves | 0 | - | 4.47 | 29,370 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 116,327 |
