| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 34,113,688 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 735,264 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 343,418 |
| Country Shape Quiz #3 | 0 | - | 4.94 | 245,902 |
| Country Shape Quiz #4 | 0 | - | 4.90 | 179,829 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,165,835 |
| Biggest Countries by Area | 0 | - | 4.99 | 827,532 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 163,681 |
| Countries with the Highest Obesity Rate | 0 | - | 4.37 | 147,784 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,626 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.91 | 295,071 |
| Island Countries Quiz | 0 | - | 4.99 | 576,285 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 293,836 |
| Southernmost Countries of the World | 0 | - | 4.99 | 181,919 |
| Majority Muslim Countries | 0 | - | 4.96 | 281,265 |
| Countries with the Most Borders | 0 | - | 4.96 | 317,564 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 352,454 |
| Countries That Border Russia | 0 | - | 4.98 | 367,561 |
| Countries and Languages Quiz | 0 | - | 4.86 | 215,326 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 255,207 |
| Islands by Country #1 | 0 | - | 4.86 | 149,261 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 286,355 |
| United States Immigration by Country | 0 | - | 4.71 | 131,557 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 172,304 |
| Countries by Borders #1 | 0 | - | 5.00 | 154,135 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 205,034 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 306,294 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 300,709 |
| One Border Countries | 0 | - | 4.98 | 358,467 |
| Countries by Official Language | 0 | - | 4.93 | 141,984 |
| NATO Countries Quiz | 0 | - | 4.97 | 201,579 |
| EU Countries Quiz | 0 | - | 4.99 | 206,751 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,464,057 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,249,083 |
| Countries that Start with A | 0 | - | 4.96 | 1,627,181 |
| Countries that Start with B | 0 | - | 4.94 | 1,764,714 |
| Countries that Start with C | 0 | - | 4.95 | 1,398,330 |
| Countries that Start with D | 0 | - | 4.96 | 462,714 |
| Countries that Start with E | 0 | - | 4.93 | 1,031,177 |
| Countries that Start with G | 0 | - | 4.95 | 1,128,473 |
| Countries that Start with H | 0 | - | 4.92 | 389,851 |
| Countries that Start with I | 0 | - | 4.90 | 975,414 |
| Countries that Start with J | 0 | - | 4.96 | 393,144 |
| Countries that Start with K | 0 | - | 4.95 | 570,971 |
| Countries that Start with L | 0 | - | 4.98 | 812,217 |
| Countries that Start with N | 0 | - | 4.90 | 833,486 |
| Countries that Start with P | 0 | - | 4.94 | 921,185 |
| Countries that Start with R | 0 | - | 4.41 | 299,267 |
| Countries that Start with S | 0 | - | 4.97 | 1,354,664 |
| Countries that Start with T | 0 | - | 4.89 | 757,955 |
| Countries that Start with U | 0 | - | 4.97 | 683,848 |
| Countries that Start with V | 0 | - | 4.97 | 455,574 |
| Countries that Start with F | 0 | - | 4.76 | 423,198 |
| Countries that Start with M | 0 | - | 4.95 | 1,059,013 |
| Countries that Border China | 0 | - | 4.97 | 211,848 |
| Countries with the Biggest Economies by GDP | 0 | - | 4.73 | 240,782 |
| Top Crude Oil Producing Countries | 0 | - | 4.84 | 145,015 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 164,807 |
| Countries by Alcohol Consumption | 0 | - | 4.36 | 178,702 |
| Countries in World War I | 0 | - | 4.92 | 182,599 |
| Countries with Four Letters | 0 | - | 4.99 | 320,793 |
| Countries of Africa | 0 | - | 5.00 | 1,730,727 |
| Countries of South America | 0 | - | 5.00 | 621,966 |
| Countries of North America Quiz | 0 | - | 5.00 | 705,237 |
| Countries of Oceania | 0 | - | 5.00 | 711,427 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 155,151 |
| Countries with the Most Exports | 0 | - | 4.96 | 111,825 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 206,034 |
| Countries Bordering France | 0 | - | 4.90 | 308,794 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 199,279 |
| UK Immigration by Country | 0 | - | 4.92 | 112,664 |
| Countries Bordering Germany | 0 | - | 4.99 | 291,879 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 131,246 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 252,843 |
| Top Movie Producing Countries | 0 | - | 4.67 | 33,423 |
| Countries of the Soviet Union | 0 | - | 4.99 | 145,973 |
| Countries in their Native Language | 0 | - | 4.97 | 149,548 |
| Countries by Clue #1 | 0 | - | 4.89 | 195,672 |
| Countries with Five Letters Quiz | 0 | - | 4.92 | 192,174 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 157,729 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 126,476 |
| Independence from Whom | 0 | - | 4.99 | 152,773 |
| Countries with the Most Winter Olympics Medals | 0 | - | 4.51 | 144,816 |
| Countries with Z | 0 | - | 4.99 | 222,845 |
| "Land" Countries | 0 | - | 4.98 | 264,635 |
| Largest Economies in 2050 | 0 | - | 4.90 | 88,437 |
| European Countries by Clue | 0 | - | 4.94 | 154,304 |
| Countries with Letters Missing | 0 | - | 4.97 | 143,424 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.94 | 206,813 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,206 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 246,463 |
| Countries by Oil Consumption | 0 | - | 4.95 | 103,808 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,890 |
| Countries by Airline Passengers | 0 | - | 4.93 | 41,332 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 83,821 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,290 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 69,488 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 156,222 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.86 | 94,429 |
| Countries that Catch the Most Fish | 0 | - | 4.85 | 90,120 |
| Most Expensive Countries | 0 | - | 4.05 | 104,657 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.51 | 31,589 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,391 |
| Biggest Countries by Area A-Z | 0 | - | 4.94 | 148,079 |
| Countries with the Shortest Total Borders | 0 | - | 4.92 | 72,812 |
| Countries With the Most Languages | 0 | - | 4.90 | 150,170 |
| Countries Closest to Canada | 0 | - | 4.93 | 156,342 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.96 | 122,616 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 141,103 |
| Countries Closest to Italy | 0 | - | 4.97 | 147,864 |
| Countries Closest to Spain | 0 | - | 4.96 | 170,150 |
| Countries Ending in "IA" | 0 | - | 4.99 | 150,073 |
| Countries with the Most Muslims | 0 | - | 4.92 | 118,897 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 81,336 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.82 | 65,323 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.87 | 52,436 |
| Countries Producing the Most Oranges | 0 | - | 4.52 | 24,760 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 342,084 |
| Countries with the Most Prisoners | 0 | - | 4.88 | 71,590 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 193,804 |
| Countries with the Most Domestic Camels | 0 | - | 4.89 | 34,312 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,321,226 |
| Countries That End in Y | 0 | - | 4.89 | 148,277 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.73 | 29,031 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 162,879 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 143,643 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 168,533 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,429 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.94 | 150,343 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 172,834 |
| Countries with the Longest Perimeter | 0 | - | 4.84 | 64,981 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 143,519 |
| Five Poorest Countries by Continent | 0 | - | 4.96 | 143,552 |
| Tallest Countries North to South | 0 | - | 4.78 | 93,263 |
| Widest Countries East to West | 0 | - | 4.90 | 109,265 |
| Countries with the Most Billionaires per Capita | 0 | - | 4.79 | 65,305 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 75,899 |
| Countries with American Expatriates | 0 | - | 4.52 | 38,108 |
| Countries with the Highest Average Elevation | 0 | - | 4.97 | 55,781 |
| Countries Whose Center is Closest to the Equator | 0 | - | 4.64 | 41,004 |
| Countries with the Most Murders | 0 | - | 4.51 | 101,503 |
| Countries with the Most Millionaires | 0 | - | 4.81 | 74,150 |
| Country Chain | 0 | - | 4.92 | 156,522 |
| Olympic Host Countries | 0 | - | 4.98 | 140,859 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.83 | 995,912 |
| Countries with the Least Precipitation | 0 | - | 4.86 | 62,129 |
| Countries with the Most Precipitation | 0 | - | 4.74 | 45,146 |
| Poorest Countries with Exceptions | 0 | - | 4.52 | 89,656 |
| World Map without 12 Countries | 0 | - | 4.96 | 278,358 |
| Every Country Shape | 0 | - | 4.99 | 312,855 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,874,515 |
| Five Biggest Economies by Continent | 0 | - | 4.97 | 144,104 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,307 |
| Countries with Megacities | 0 | - | 4.99 | 175,356 |
| Every European Country Shape | 0 | - | 4.94 | 152,334 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 165,039 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 169,929 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 168,020 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 142,808 |
| All Countries of the World by Area with Hints | 0 | - | 4.95 | 152,620 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,642,757 |
| Countries of the Middle East | 0 | - | 4.96 | 148,002 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.94 | 191,415 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 80,500 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 105,943 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.94 | 75,588 |
| One Country By Letter By Continent | 0 | - | 4.99 | 35,863 |
| Most Populous Countries by Year | 0 | - | 4.76 | 78,909 |
| Largest Countries with No Borders | 0 | - | 4.97 | 163,366 |
| Coldest Countries | 0 | - | 4.97 | 100,067 |
| Countries with the Highest Murder Rate | 0 | - | 4.43 | 53,615 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,204 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 143,541 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 85,506 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.56 | 45,541 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.85 | 124,903 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.47 | 42,007 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 64,303 |
| Countries with the Most Desert | 0 | - | 4.92 | 95,385 |
| Total United States Immigration by Country | 0 | - | 4.94 | 87,344 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 171,264 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 175,940 |
| African Diaspora - Top 10 Countries | 0 | - | 4.84 | 59,832 |
| European Diaspora - Top 11 Countries | 0 | - | 4.87 | 73,497 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.81 | 32,356 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.96 | 187,757 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.84 | 41,570 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.67 | 14,120 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.91 | 53,958 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 61,443 |
| Most Fragile Countries not in Africa | 0 | - | 4.41 | 36,163 |
| Countries by Wealth per Capita | 0 | - | 4.54 | 52,794 |
| Countries With the Most Expats | 0 | - | 4.67 | 41,435 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.86 | 44,233 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 159,655 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.94 | 74,315 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.65 | 34,618 |
| Countries by Milk Production | 0 | - | 4.49 | 17,909 |
| Countries with the Most Total Precipitation | 0 | - | 4.73 | 48,343 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,269 |
