| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 33,933,788 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 732,356 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 342,457 |
| Country Shape Quiz #3 | 0 | - | 4.94 | 245,294 |
| Country Shape Quiz #4 | 0 | - | 4.90 | 179,334 |
| Winter Olympics Hosts Quiz | 0 | - | 4.30 | 67,227 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,161,997 |
| Biggest Countries by Area | 0 | - | 4.99 | 824,662 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 163,359 |
| Countries with the Highest Obesity Rate | 0 | - | 4.37 | 147,565 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,123 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.91 | 294,252 |
| Island Countries Quiz | 0 | - | 4.99 | 574,400 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 293,240 |
| Southernmost Countries of the World | 0 | - | 4.99 | 181,328 |
| Majority Muslim Countries | 0 | - | 4.96 | 280,470 |
| Countries with the Most Borders | 0 | - | 4.96 | 316,586 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 351,672 |
| Countries That Border Russia | 0 | - | 4.98 | 366,269 |
| Countries and Languages Quiz | 0 | - | 4.86 | 214,836 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 254,379 |
| Islands by Country #1 | 0 | - | 4.86 | 148,625 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 285,580 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 171,933 |
| Countries by Borders #1 | 0 | - | 5.00 | 153,774 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 204,652 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 305,499 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 299,966 |
| One Border Countries | 0 | - | 4.98 | 356,990 |
| NATO Countries Quiz | 0 | - | 4.97 | 200,929 |
| EU Countries Quiz | 0 | - | 4.99 | 206,096 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,443,867 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,240,402 |
| Countries that Start with A | 0 | - | 4.96 | 1,619,310 |
| Countries that Start with B | 0 | - | 4.94 | 1,756,801 |
| Countries that Start with C | 0 | - | 4.95 | 1,391,782 |
| Countries that Start with D | 0 | - | 4.96 | 459,473 |
| Countries that Start with E | 0 | - | 4.93 | 1,026,129 |
| Countries that Start with G | 0 | - | 4.95 | 1,123,175 |
| Countries that Start with H | 0 | - | 4.92 | 387,105 |
| Countries that Start with I | 0 | - | 4.90 | 971,049 |
| Countries that Start with J | 0 | - | 4.96 | 390,398 |
| Countries that Start with K | 0 | - | 4.94 | 567,055 |
| Countries that Start with L | 0 | - | 4.98 | 808,341 |
| Countries that Start with N | 0 | - | 4.90 | 829,567 |
| Countries that Start with P | 0 | - | 4.94 | 916,660 |
| Countries that Start with R | 0 | - | 4.40 | 297,006 |
| Countries that Start with S | 0 | - | 4.96 | 1,348,473 |
| Countries that Start with T | 0 | - | 4.88 | 754,232 |
| Countries that Start with U | 0 | - | 4.97 | 680,536 |
| Countries that Start with V | 0 | - | 4.97 | 453,343 |
| Countries that Start with F | 0 | - | 4.74 | 420,273 |
| Countries that Start with M | 0 | - | 4.95 | 1,054,373 |
| Countries that Border China | 0 | - | 4.97 | 210,946 |
| Countries with the Biggest Economies by GDP | 0 | - | 4.73 | 237,219 |
| Top Crude Oil Producing Countries | 0 | - | 4.82 | 144,629 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 164,302 |
| Countries by Alcohol Consumption | 0 | - | 4.36 | 178,055 |
| Countries in World War I | 0 | - | 4.92 | 181,849 |
| Countries with Four Letters | 0 | - | 4.99 | 319,696 |
| Countries of Africa | 0 | - | 5.00 | 1,718,875 |
| Countries of South America | 0 | - | 5.00 | 617,611 |
| Countries of North America Quiz | 0 | - | 5.00 | 700,401 |
| Countries of Oceania | 0 | - | 5.00 | 706,337 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 154,658 |
| Countries with the Most Exports | 0 | - | 4.96 | 111,263 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 205,465 |
| Countries Bordering France | 0 | - | 4.90 | 307,683 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 198,702 |
| Countries Bordering Germany | 0 | - | 4.99 | 290,851 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 130,943 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 252,251 |
| Top Movie Producing Countries | 0 | - | 4.66 | 33,204 |
| Countries of the Soviet Union | 0 | - | 4.99 | 145,367 |
| Countries in their Native Language | 0 | - | 4.97 | 149,150 |
| Countries by Clue #1 | 0 | - | 4.89 | 195,121 |
| Countries with Five Letters Quiz | 0 | - | 4.93 | 191,617 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 157,269 |
| Summer Olympics Host Cities | 0 | - | 4.97 | 160,367 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 126,123 |
| Summer Olympic City Bids | 0 | - | 4.95 | 31,271 |
| Independence from Whom | 0 | - | 4.99 | 152,305 |
| Countries with the Most Winter Olympics Medals | 0 | - | 4.49 | 144,536 |
| Countries with Z | 0 | - | 4.99 | 222,260 |
| "Land" Countries | 0 | - | 4.98 | 240,974 |
| Largest Economies in 2050 | 0 | - | 4.90 | 88,067 |
| European Countries by Clue | 0 | - | 4.95 | 153,945 |
| Countries with Letters Missing | 0 | - | 4.97 | 143,048 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.95 | 201,951 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 172,449 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 245,606 |
| Countries by Oil Consumption | 0 | - | 4.95 | 103,298 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,453 |
| Countries by Airline Passengers | 0 | - | 4.93 | 41,006 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 83,632 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,066 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 69,209 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 155,860 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.86 | 80,734 |
| Countries that Catch the Most Fish | 0 | - | 4.84 | 89,899 |
| Most Expensive Countries | 0 | - | 4.05 | 104,563 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.51 | 31,449 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 180,322 |
| Biggest Countries by Area A-Z | 0 | - | 4.94 | 147,647 |
| Countries with the Shortest Total Borders | 0 | - | 4.92 | 72,557 |
| Countries With the Most Languages | 0 | - | 4.89 | 149,509 |
| Countries Closest to Canada | 0 | - | 4.93 | 155,892 |
| Countries Closest to Italy | 0 | - | 4.97 | 147,243 |
| Countries Closest to Spain | 0 | - | 4.96 | 169,496 |
| Countries Ending in "IA" | 0 | - | 4.99 | 149,385 |
| Countries with the Most Muslims | 0 | - | 4.92 | 118,559 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 81,154 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.82 | 65,135 |
| Countries Producing the Most Oranges | 0 | - | 4.52 | 24,637 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 340,359 |
| Countries with the Most Prisoners | 0 | - | 4.88 | 71,375 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 193,203 |
| Countries with the Most Domestic Camels | 0 | - | 4.89 | 34,169 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,299,602 |
| Countries That End in Y | 0 | - | 4.88 | 147,740 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.73 | 28,914 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 162,344 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 142,860 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 167,936 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 223,750 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.94 | 149,628 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 172,239 |
| Countries with the Longest Perimeter | 0 | - | 4.82 | 64,757 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 143,030 |
| Five Poorest Countries by Continent | 0 | - | 4.95 | 143,126 |
| Tallest Countries North to South | 0 | - | 4.78 | 93,034 |
| Widest Countries East to West | 0 | - | 4.90 | 108,985 |
| Countries with the Most Billionaires per Capita | 0 | - | 4.79 | 65,109 |
| Countries with the Most Nobel Prizes | 0 | - | 4.86 | 75,675 |
| Countries by Net Migration | 0 | - | 4.48 | 51,783 |
| Countries with the Highest Average Elevation | 0 | - | 4.97 | 55,590 |
| Countries Whose Center is Closest to the Equator | 0 | - | 4.64 | 40,876 |
| Countries with the Most Murders | 0 | - | 4.51 | 101,266 |
| Countries with the Most Millionaires | 0 | - | 4.81 | 73,821 |
| Country Chain | 0 | - | 4.92 | 156,021 |
| Olympic Host Countries | 0 | - | 4.98 | 140,193 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.82 | 992,147 |
| Countries with the Least Precipitation | 0 | - | 4.86 | 61,967 |
| Countries with the Most Precipitation | 0 | - | 4.74 | 45,009 |
| Poorest Countries with Exceptions | 0 | - | 4.52 | 89,453 |
| World Map without 12 Countries | 0 | - | 4.96 | 277,724 |
| Every Country Shape | 0 | - | 4.99 | 311,025 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,858,750 |
| Five Biggest Economies by Continent | 0 | - | 4.97 | 143,616 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.45 | 50,669 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 216,543 |
| Countries With the Most NBA Players | 0 | - | 4.44 | 66,744 |
| Countries with Megacities | 0 | - | 4.99 | 157,979 |
| Every European Country Shape | 0 | - | 4.94 | 151,654 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 164,406 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 168,963 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 166,986 |
| Countries with Major League Baseball Players | 0 | - | 4.48 | 45,987 |
| All Countries of the World by Area with Hints | 0 | - | 4.95 | 151,567 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,630,770 |
| Countries of the Middle East | 0 | - | 4.96 | 147,239 |
| Countries with the Most Downhill Skiing | 0 | - | 4.92 | 43,181 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.93 | 190,332 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.38 | 49,631 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 80,304 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 105,590 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.94 | 75,291 |
| Countries with the Fastest Marathoners | 0 | - | 4.43 | 62,899 |
| One Country By Letter By Continent | 0 | - | 4.99 | 34,579 |
| Most Populous Countries by Year | 0 | - | 4.77 | 78,500 |
| Largest Countries with No Borders | 0 | - | 4.97 | 162,867 |
| Coldest Countries | 0 | - | 4.97 | 99,590 |
| Countries with the Highest Murder Rate | 0 | - | 4.43 | 53,464 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.94 | 91,708 |
| Top 10 Coldest European Countries | 0 | - | 4.92 | 142,999 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 85,185 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.57 | 45,418 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.84 | 124,594 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.47 | 41,907 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 64,010 |
| Countries with the Most Desert | 0 | - | 4.92 | 95,094 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 170,556 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 175,113 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.96 | 186,443 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.17 | 26,258 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.65 | 14,041 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.91 | 53,740 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 61,251 |
| Most Fragile Countries not in Africa | 0 | - | 4.41 | 36,054 |
| Countries by Wealth per Capita | 0 | - | 4.55 | 52,649 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.86 | 44,109 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 158,969 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.94 | 74,086 |
| Countries by Milk Production | 0 | - | 4.54 | 17,760 |
| Countries with the Most Total Precipitation | 0 | - | 4.73 | 48,205 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 89,836 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.47 | 70,914 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 98,871 |
| Countries with the Most Mangroves | 0 | - | 4.47 | 29,289 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 115,770 |
