| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 33,972,143 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 732,959 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 342,640 |
| Country Shape Quiz #3 | 0 | - | 4.94 | 245,402 |
| Country Shape Quiz #4 | 0 | - | 4.90 | 179,421 |
| Winter Olympics Hosts Quiz | 0 | - | 4.30 | 67,247 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,162,770 |
| Biggest Countries by Area | 0 | - | 4.99 | 825,218 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 163,410 |
| Countries with the Highest Obesity Rate | 0 | - | 4.37 | 147,602 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,182 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.91 | 294,418 |
| Island Countries Quiz | 0 | - | 4.99 | 574,778 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 293,372 |
| Southernmost Countries of the World | 0 | - | 4.99 | 181,416 |
| Majority Muslim Countries | 0 | - | 4.96 | 280,634 |
| Countries with the Most Borders | 0 | - | 4.96 | 316,781 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 351,829 |
| Countries That Border Russia | 0 | - | 4.98 | 366,517 |
| Countries and Languages Quiz | 0 | - | 4.86 | 214,933 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 254,619 |
| Islands by Country #1 | 0 | - | 4.86 | 148,723 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 285,766 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 171,997 |
| Countries by Borders #1 | 0 | - | 5.00 | 153,847 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 204,720 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 305,656 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 300,113 |
| One Border Countries | 0 | - | 4.98 | 357,265 |
| NATO Countries Quiz | 0 | - | 4.97 | 201,064 |
| EU Countries Quiz | 0 | - | 4.99 | 206,216 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,448,550 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,242,151 |
| Countries that Start with A | 0 | - | 4.96 | 1,620,962 |
| Countries that Start with B | 0 | - | 4.94 | 1,758,479 |
| Countries that Start with C | 0 | - | 4.95 | 1,393,347 |
| Countries that Start with D | 0 | - | 4.96 | 460,142 |
| Countries that Start with E | 0 | - | 4.93 | 1,027,180 |
| Countries that Start with G | 0 | - | 4.95 | 1,124,285 |
| Countries that Start with H | 0 | - | 4.92 | 387,662 |
| Countries that Start with I | 0 | - | 4.90 | 971,959 |
| Countries that Start with J | 0 | - | 4.96 | 390,964 |
| Countries that Start with K | 0 | - | 4.94 | 567,751 |
| Countries that Start with L | 0 | - | 4.98 | 809,138 |
| Countries that Start with N | 0 | - | 4.90 | 830,365 |
| Countries that Start with P | 0 | - | 4.94 | 917,568 |
| Countries that Start with R | 0 | - | 4.40 | 297,430 |
| Countries that Start with S | 0 | - | 4.96 | 1,349,821 |
| Countries that Start with T | 0 | - | 4.88 | 754,965 |
| Countries that Start with U | 0 | - | 4.97 | 681,206 |
| Countries that Start with V | 0 | - | 4.97 | 453,784 |
| Countries that Start with F | 0 | - | 4.73 | 420,844 |
| Countries that Start with M | 0 | - | 4.95 | 1,055,362 |
| Countries that Border China | 0 | - | 4.97 | 211,070 |
| Countries with the Biggest Economies by GDP | 0 | - | 4.73 | 237,312 |
| Top Crude Oil Producing Countries | 0 | - | 4.84 | 144,738 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 164,388 |
| Countries by Alcohol Consumption | 0 | - | 4.36 | 178,276 |
| Countries in World War I | 0 | - | 4.92 | 181,982 |
| Countries with Four Letters | 0 | - | 4.99 | 319,948 |
| Countries of Africa | 0 | - | 5.00 | 1,721,251 |
| Countries of South America | 0 | - | 5.00 | 618,496 |
| Countries of North America Quiz | 0 | - | 5.00 | 701,370 |
| Countries of Oceania | 0 | - | 5.00 | 707,363 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 154,776 |
| Countries with the Most Exports | 0 | - | 4.96 | 111,374 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 205,635 |
| Countries Bordering France | 0 | - | 4.90 | 307,988 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 198,827 |
| Countries Bordering Germany | 0 | - | 4.99 | 291,045 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 131,015 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 252,379 |
| Top Movie Producing Countries | 0 | - | 4.66 | 33,248 |
| Countries of the Soviet Union | 0 | - | 4.99 | 145,502 |
| Countries in their Native Language | 0 | - | 4.97 | 149,225 |
| Countries by Clue #1 | 0 | - | 4.89 | 195,220 |
| Countries with Five Letters Quiz | 0 | - | 4.93 | 191,751 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 157,377 |
| Summer Olympics Host Cities | 0 | - | 4.97 | 160,465 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 126,192 |
| Summer Olympic City Bids | 0 | - | 4.95 | 31,302 |
| Independence from Whom | 0 | - | 4.99 | 152,402 |
| Countries with Z | 0 | - | 4.99 | 222,396 |
| "Land" Countries | 0 | - | 4.98 | 259,041 |
| Largest Economies in 2050 | 0 | - | 4.90 | 88,169 |
| European Countries by Clue | 0 | - | 4.95 | 154,025 |
| Countries with Letters Missing | 0 | - | 4.97 | 143,131 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.95 | 202,103 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 172,532 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 245,787 |
| Countries by Oil Consumption | 0 | - | 4.95 | 103,575 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,551 |
| Countries by Airline Passengers | 0 | - | 4.93 | 41,077 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 83,672 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,119 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 69,277 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 155,920 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.87 | 81,197 |
| Countries that Catch the Most Fish | 0 | - | 4.84 | 89,949 |
| Most Expensive Countries | 0 | - | 4.05 | 104,585 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.51 | 31,474 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 180,596 |
| Biggest Countries by Area A-Z | 0 | - | 4.94 | 147,737 |
| Countries with the Shortest Total Borders | 0 | - | 4.92 | 72,605 |
| Countries With the Most Languages | 0 | - | 4.89 | 149,640 |
| Countries Closest to Canada | 0 | - | 4.93 | 155,988 |
| Countries Closest to Italy | 0 | - | 4.97 | 147,380 |
| Countries Closest to Spain | 0 | - | 4.96 | 169,630 |
| Countries Ending in "IA" | 0 | - | 4.99 | 149,517 |
| Countries with the Most Muslims | 0 | - | 4.92 | 118,637 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 81,201 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.82 | 65,181 |
| Countries Producing the Most Oranges | 0 | - | 4.52 | 24,662 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 341,132 |
| Countries with the Most Prisoners | 0 | - | 4.88 | 71,424 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 193,335 |
| Countries with the Most Domestic Camels | 0 | - | 4.89 | 34,192 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.93 | 4,304,168 |
| Countries That End in Y | 0 | - | 4.89 | 147,855 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.73 | 28,944 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 162,463 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 143,175 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 168,059 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 223,910 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.94 | 149,728 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 172,353 |
| Countries with the Longest Perimeter | 0 | - | 4.82 | 64,816 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 143,104 |
| Five Poorest Countries by Continent | 0 | - | 4.96 | 143,203 |
| Tallest Countries North to South | 0 | - | 4.79 | 93,075 |
| Widest Countries East to West | 0 | - | 4.90 | 109,035 |
| Countries with the Most Billionaires per Capita | 0 | - | 4.79 | 65,148 |
| Countries with the Most Nobel Prizes | 0 | - | 4.86 | 75,712 |
| Countries by Net Migration | 0 | - | 4.55 | 56,316 |
| Countries with the Highest Average Elevation | 0 | - | 4.97 | 55,623 |
| Countries Whose Center is Closest to the Equator | 0 | - | 4.64 | 40,900 |
| Countries with the Most Murders | 0 | - | 4.51 | 101,318 |
| Countries with the Most Millionaires | 0 | - | 4.81 | 73,901 |
| Country Chain | 0 | - | 4.92 | 156,140 |
| Olympic Host Countries | 0 | - | 4.98 | 140,479 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.83 | 993,043 |
| Countries with the Least Precipitation | 0 | - | 4.86 | 62,004 |
| Countries with the Most Precipitation | 0 | - | 4.74 | 45,027 |
| Poorest Countries with Exceptions | 0 | - | 4.52 | 89,503 |
| World Map without 12 Countries | 0 | - | 4.96 | 277,852 |
| Every Country Shape | 0 | - | 4.99 | 311,405 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,862,459 |
| Five Biggest Economies by Continent | 0 | - | 4.97 | 143,732 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.45 | 50,762 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 216,696 |
| Countries With the Most NBA Players | 0 | - | 4.44 | 66,806 |
| Countries with Megacities | 0 | - | 4.99 | 158,076 |
| Every European Country Shape | 0 | - | 4.94 | 151,785 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 164,547 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 169,161 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 167,120 |
| Countries with Major League Baseball Players | 0 | - | 4.48 | 46,047 |
| All Countries of the World by Area with Hints | 0 | - | 4.95 | 151,790 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,633,247 |
| Countries of the Middle East | 0 | - | 4.96 | 147,399 |
| Countries with the Most Downhill Skiing | 0 | - | 4.92 | 43,217 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.94 | 190,537 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.38 | 49,656 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 80,356 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 105,657 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.94 | 75,344 |
| Countries with the Fastest Marathoners | 0 | - | 4.43 | 62,939 |
| One Country By Letter By Continent | 0 | - | 4.99 | 34,884 |
| Most Populous Countries by Year | 0 | - | 4.77 | 78,582 |
| Largest Countries with No Borders | 0 | - | 4.97 | 162,961 |
| Coldest Countries | 0 | - | 4.97 | 99,656 |
| Countries with the Highest Murder Rate | 0 | - | 4.43 | 53,498 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.94 | 91,788 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 143,110 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 85,251 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.57 | 45,463 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.84 | 124,674 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.47 | 41,924 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 64,097 |
| Countries with the Most Desert | 0 | - | 4.92 | 95,150 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 170,707 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 175,251 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.96 | 186,739 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.17 | 26,273 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.67 | 14,058 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.91 | 53,783 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 61,286 |
| Most Fragile Countries not in Africa | 0 | - | 4.41 | 36,068 |
| Countries by Wealth per Capita | 0 | - | 4.55 | 52,674 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.86 | 44,133 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 159,111 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.94 | 74,126 |
| Countries by Milk Production | 0 | - | 4.54 | 17,778 |
| Countries with the Most Total Precipitation | 0 | - | 4.73 | 48,226 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 89,911 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.47 | 70,957 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 98,989 |
| Countries with the Most Mangroves | 0 | - | 4.47 | 29,306 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 115,902 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.71 | 61,220 |
