| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 34,106,533 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 735,139 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 343,375 |
| Country Shape Quiz #3 | 0 | - | 4.94 | 245,873 |
| Country Shape Quiz #4 | 0 | - | 4.90 | 179,808 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,165,678 |
| Biggest Countries by Area | 0 | - | 4.99 | 827,424 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 163,668 |
| Countries with the Highest Obesity Rate | 0 | - | 4.37 | 147,774 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,604 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.91 | 295,036 |
| Island Countries Quiz | 0 | - | 4.99 | 576,215 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 293,814 |
| Southernmost Countries of the World | 0 | - | 4.99 | 181,907 |
| Majority Muslim Countries | 0 | - | 4.96 | 281,234 |
| Countries with the Most Borders | 0 | - | 4.96 | 317,533 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 352,438 |
| Countries That Border Russia | 0 | - | 4.98 | 367,518 |
| Countries and Languages Quiz | 0 | - | 4.86 | 215,311 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 255,182 |
| Islands by Country #1 | 0 | - | 4.86 | 149,247 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 286,327 |
| 1992 Olympic Basketball Dream Team | 0 | - | 4.29 | 138,847 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 172,285 |
| Countries by Borders #1 | 0 | - | 5.00 | 154,119 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 205,011 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 306,270 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 300,674 |
| One Border Countries | 0 | - | 4.98 | 358,402 |
| NATO Countries Quiz | 0 | - | 4.97 | 201,556 |
| EU Countries Quiz | 0 | - | 4.99 | 206,725 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,463,194 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,248,684 |
| Countries that Start with A | 0 | - | 4.96 | 1,626,874 |
| Countries that Start with B | 0 | - | 4.94 | 1,764,413 |
| Countries that Start with C | 0 | - | 4.95 | 1,398,075 |
| Countries that Start with D | 0 | - | 4.96 | 462,588 |
| Countries that Start with E | 0 | - | 4.93 | 1,030,986 |
| Countries that Start with G | 0 | - | 4.95 | 1,128,286 |
| Countries that Start with H | 0 | - | 4.92 | 389,750 |
| Countries that Start with I | 0 | - | 4.90 | 975,246 |
| Countries that Start with J | 0 | - | 4.96 | 393,027 |
| Countries that Start with K | 0 | - | 4.95 | 570,829 |
| Countries that Start with L | 0 | - | 4.98 | 812,061 |
| Countries that Start with N | 0 | - | 4.90 | 833,331 |
| Countries that Start with P | 0 | - | 4.94 | 920,997 |
| Countries that Start with R | 0 | - | 4.41 | 299,172 |
| Countries that Start with S | 0 | - | 4.97 | 1,354,419 |
| Countries that Start with T | 0 | - | 4.89 | 757,791 |
| Countries that Start with U | 0 | - | 4.97 | 683,705 |
| Countries that Start with V | 0 | - | 4.97 | 455,495 |
| Countries that Start with F | 0 | - | 4.76 | 423,086 |
| Countries that Start with M | 0 | - | 4.95 | 1,058,834 |
| Countries that Border China | 0 | - | 4.97 | 211,824 |
| Countries with the Biggest Economies by GDP | 0 | - | 4.73 | 239,926 |
| Top Crude Oil Producing Countries | 0 | - | 4.84 | 144,999 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 164,786 |
| Countries by Alcohol Consumption | 0 | - | 4.36 | 178,679 |
| Countries in World War I | 0 | - | 4.92 | 182,563 |
| Countries with Four Letters | 0 | - | 4.99 | 320,767 |
| Countries of Africa | 0 | - | 5.00 | 1,730,200 |
| Countries of South America | 0 | - | 5.00 | 621,722 |
| Countries of North America Quiz | 0 | - | 5.00 | 704,989 |
| Countries of Oceania | 0 | - | 5.00 | 711,201 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 155,131 |
| Countries with the Most Exports | 0 | - | 4.96 | 111,815 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 206,016 |
| Countries Bordering France | 0 | - | 4.90 | 308,758 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 199,261 |
| Countries Bordering Germany | 0 | - | 4.99 | 291,834 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 131,233 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 252,819 |
| Top Movie Producing Countries | 0 | - | 4.67 | 33,412 |
| Countries of the Soviet Union | 0 | - | 4.99 | 145,953 |
| Countries in their Native Language | 0 | - | 4.97 | 149,529 |
| Countries by Clue #1 | 0 | - | 4.89 | 195,653 |
| Countries with Five Letters Quiz | 0 | - | 4.92 | 192,157 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 157,711 |
| Summer Olympics Host Cities | 0 | - | 4.97 | 160,818 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 126,463 |
| Summer Olympic City Bids | 0 | - | 4.95 | 31,426 |
| Independence from Whom | 0 | - | 4.99 | 152,750 |
| Countries with the Most Winter Olympics Medals | 0 | - | 4.51 | 144,802 |
| Countries with Z | 0 | - | 4.99 | 222,827 |
| "Land" Countries | 0 | - | 4.98 | 264,568 |
| Largest Economies in 2050 | 0 | - | 4.90 | 88,421 |
| European Countries by Clue | 0 | - | 4.94 | 154,281 |
| Countries with Letters Missing | 0 | - | 4.97 | 143,415 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.94 | 206,660 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,192 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 246,428 |
| Countries by Oil Consumption | 0 | - | 4.95 | 103,796 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,873 |
| Countries by Airline Passengers | 0 | - | 4.93 | 41,323 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 83,817 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,281 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 69,472 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 156,203 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.86 | 93,756 |
| Countries that Catch the Most Fish | 0 | - | 4.85 | 90,107 |
| Most Expensive Countries | 0 | - | 4.05 | 104,655 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.51 | 31,586 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,355 |
| Biggest Countries by Area A-Z | 0 | - | 4.94 | 148,064 |
| Countries with the Shortest Total Borders | 0 | - | 4.92 | 72,798 |
| Countries With the Most Languages | 0 | - | 4.90 | 150,141 |
| Countries Closest to Canada | 0 | - | 4.93 | 156,320 |
| Countries Closest to Italy | 0 | - | 4.97 | 147,841 |
| Countries Closest to Spain | 0 | - | 4.96 | 170,121 |
| Countries Ending in "IA" | 0 | - | 4.99 | 150,051 |
| Countries with the Most Muslims | 0 | - | 4.92 | 118,886 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 81,322 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.82 | 65,315 |
| Countries Producing the Most Oranges | 0 | - | 4.52 | 24,753 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 342,038 |
| Countries with the Most Prisoners | 0 | - | 4.88 | 71,574 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 193,776 |
| Countries with the Most Domestic Camels | 0 | - | 4.89 | 34,303 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,320,329 |
| Countries That End in Y | 0 | - | 4.89 | 148,267 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.73 | 29,029 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 162,855 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 143,618 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 168,514 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,406 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.94 | 150,327 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 172,811 |
| Countries with the Longest Perimeter | 0 | - | 4.84 | 64,969 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 143,503 |
| Five Poorest Countries by Continent | 0 | - | 4.96 | 143,532 |
| Tallest Countries North to South | 0 | - | 4.78 | 93,248 |
| Widest Countries East to West | 0 | - | 4.90 | 109,253 |
| Countries with the Most Billionaires per Capita | 0 | - | 4.79 | 65,300 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 75,893 |
| Countries by Net Migration | 0 | - | 4.57 | 57,957 |
| Countries with the Highest Average Elevation | 0 | - | 4.97 | 55,775 |
| Countries Whose Center is Closest to the Equator | 0 | - | 4.64 | 41,000 |
| Countries with the Most Murders | 0 | - | 4.51 | 101,492 |
| Countries with the Most Millionaires | 0 | - | 4.81 | 74,131 |
| Country Chain | 0 | - | 4.92 | 156,501 |
| Olympic Host Countries | 0 | - | 4.98 | 140,831 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.83 | 995,731 |
| Countries with the Least Precipitation | 0 | - | 4.86 | 62,122 |
| Countries with the Most Precipitation | 0 | - | 4.74 | 45,139 |
| Poorest Countries with Exceptions | 0 | - | 4.52 | 89,647 |
| World Map without 12 Countries | 0 | - | 4.96 | 278,333 |
| Every Country Shape | 0 | - | 4.99 | 312,772 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,874,005 |
| Five Biggest Economies by Continent | 0 | - | 4.97 | 144,084 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.45 | 51,063 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,277 |
| Countries With the Most NBA Players | 0 | - | 4.44 | 67,113 |
| Countries with Megacities | 0 | - | 4.99 | 175,246 |
| Every European Country Shape | 0 | - | 4.94 | 152,305 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 165,024 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 169,905 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 167,985 |
| Countries with Major League Baseball Players | 0 | - | 4.48 | 46,251 |
| All Countries of the World by Area with Hints | 0 | - | 4.95 | 152,558 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,642,276 |
| Countries of the Middle East | 0 | - | 4.96 | 147,973 |
| Countries with the Most Downhill Skiing | 0 | - | 4.92 | 43,378 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.94 | 191,366 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.38 | 49,764 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 80,490 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 105,915 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.94 | 75,575 |
| Countries with the Fastest Marathoners | 0 | - | 4.43 | 63,039 |
| One Country By Letter By Continent | 0 | - | 4.99 | 35,820 |
| Most Populous Countries by Year | 0 | - | 4.76 | 78,895 |
| Largest Countries with No Borders | 0 | - | 4.97 | 163,341 |
| Coldest Countries | 0 | - | 4.97 | 99,909 |
| Countries with the Highest Murder Rate | 0 | - | 4.43 | 53,608 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,161 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.94 | 92,099 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 143,524 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 85,489 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.56 | 45,539 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.85 | 124,885 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.47 | 42,004 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 64,286 |
| Countries with the Most Desert | 0 | - | 4.92 | 95,369 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 171,240 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 175,914 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.96 | 187,694 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.17 | 26,362 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.67 | 14,115 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.91 | 53,938 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 61,430 |
| Most Fragile Countries not in Africa | 0 | - | 4.41 | 36,159 |
| Countries by Wealth per Capita | 0 | - | 4.54 | 52,789 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.86 | 44,229 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 159,622 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.94 | 74,304 |
| Countries by Milk Production | 0 | - | 4.49 | 17,905 |
| Countries with the Most Total Precipitation | 0 | - | 4.73 | 48,336 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 90,221 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.47 | 71,116 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,326 |
| Countries with the Most Mangroves | 0 | - | 4.47 | 29,373 |
