| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 34,357,489 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 738,967 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 344,641 |
| Country Shape Quiz #3 | 0 | - | 4.94 | 246,692 |
| Country Shape Quiz #4 | 0 | - | 4.91 | 180,416 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,170,631 |
| Biggest Countries by Area | 0 | - | 4.99 | 831,020 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 164,065 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 152,016 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.90 | 296,181 |
| Island Countries Quiz | 0 | - | 4.99 | 578,474 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 294,883 |
| Southernmost Countries of the World | 0 | - | 4.99 | 182,391 |
| Majority Muslim Countries | 0 | - | 4.96 | 282,286 |
| Countries with the Most Borders | 0 | - | 4.96 | 318,743 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 353,450 |
| Countries That Border Russia | 0 | - | 4.98 | 369,308 |
| Countries and Languages Quiz | 0 | - | 4.86 | 216,230 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 256,080 |
| Islands by Country #1 | 0 | - | 4.86 | 149,744 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 287,614 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 172,771 |
| Countries by Borders #1 | 0 | - | 5.00 | 154,647 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 205,644 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 307,355 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 301,644 |
| One Border Countries | 0 | - | 4.98 | 360,351 |
| NATO Countries Quiz | 0 | - | 4.97 | 202,358 |
| EU Countries Quiz | 0 | - | 4.99 | 207,441 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,490,547 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,260,592 |
| Countries that Start with A | 0 | - | 4.96 | 1,636,688 |
| Countries that Start with B | 0 | - | 4.94 | 1,774,273 |
| Countries that Start with C | 0 | - | 4.95 | 1,405,786 |
| Countries that Start with D | 0 | - | 4.97 | 466,539 |
| Countries that Start with E | 0 | - | 4.93 | 1,037,097 |
| Countries that Start with G | 0 | - | 4.95 | 1,135,056 |
| Countries that Start with H | 0 | - | 4.93 | 393,121 |
| Countries that Start with I | 0 | - | 4.91 | 980,616 |
| Countries that Start with J | 0 | - | 4.96 | 396,453 |
| Countries that Start with K | 0 | - | 4.95 | 575,235 |
| Countries that Start with L | 0 | - | 4.98 | 817,044 |
| Countries that Start with N | 0 | - | 4.90 | 838,526 |
| Countries that Start with P | 0 | - | 4.94 | 926,546 |
| Countries that Start with R | 0 | - | 4.42 | 301,854 |
| Countries that Start with S | 0 | - | 4.96 | 1,362,233 |
| Countries that Start with T | 0 | - | 4.89 | 762,475 |
| Countries that Start with U | 0 | - | 4.97 | 687,713 |
| Countries that Start with V | 0 | - | 4.97 | 458,190 |
| Countries that Start with F | 0 | - | 4.77 | 426,488 |
| Countries that Start with M | 0 | - | 4.95 | 1,064,775 |
| Countries that Border China | 0 | - | 4.97 | 212,637 |
| Countries that Produce the Most Wine | 0 | - | 4.89 | 165,365 |
| Countries in World War I | 0 | - | 4.91 | 183,566 |
| Countries with Four Letters | 0 | - | 4.99 | 322,130 |
| Countries of Africa | 0 | - | 5.00 | 1,746,063 |
| Countries of South America | 0 | - | 5.00 | 628,118 |
| Countries of North America Quiz | 0 | - | 5.00 | 711,649 |
| Countries of Oceania | 0 | - | 5.00 | 718,074 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 155,826 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 206,907 |
| Countries Bordering France | 0 | - | 4.90 | 310,173 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 200,184 |
| Countries Bordering Germany | 0 | - | 4.99 | 293,560 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 131,659 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 253,599 |
| Countries in their Native Language | 0 | - | 4.97 | 150,020 |
| Countries by Clue #1 | 0 | - | 4.89 | 196,328 |
| Countries with Five Letters Quiz | 0 | - | 4.92 | 192,799 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 158,252 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 127,122 |
| Independence from Whom | 0 | - | 4.99 | 153,314 |
| Countries with Z | 0 | - | 4.99 | 223,562 |
| "Land" Countries | 0 | - | 4.98 | 266,209 |
| European Countries by Clue | 0 | - | 4.94 | 154,958 |
| Top Rice-Producing Countries | 0 | - | 4.91 | 72,937 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.95 | 218,548 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,828 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 247,534 |
| Countries that Produce the Most Cheese | 0 | - | 4.65 | 42,405 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 147,627 |
| Countries with the Most Tropical Cyclones | 0 | - | 4.47 | 36,280 |
| Countries with the Most Sheep | 0 | - | 4.85 | 75,594 |
| Ten Lowest HDI Countries in Europe | 0 | - | 4.43 | 65,760 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,573 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 156,734 |
| Ten Highest HDI Countries in Africa | 0 | - | 4.77 | 62,682 |
| Top 10 Richest Countries in Africa | 0 | - | 4.77 | 44,809 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 182,335 |
| Biggest Countries by Area A-Z | 0 | - | 4.94 | 148,577 |
| Top Countries for Shark Attacks | 0 | - | 4.53 | 38,826 |
| Countries With the Most Languages | 0 | - | 4.90 | 151,201 |
| Countries Closest to Canada | 0 | - | 4.93 | 157,228 |
| Countries Closest to Italy | 0 | - | 4.97 | 149,009 |
| Countries Closest to Spain | 0 | - | 4.96 | 171,163 |
| Countries Ending in "IA" | 0 | - | 4.99 | 150,927 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 343,962 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 194,573 |
| Top 10 Most Islamic European Countries | 0 | - | 4.53 | 124,203 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,346,304 |
| Countries That End in Y | 0 | - | 4.89 | 148,810 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 163,507 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 169,283 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 82,006 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 72,220 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 113,589 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 225,231 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 54,959 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.94 | 150,998 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.91 | 57,841 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 57,168 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 173,535 |
| Top 10 Solar Power Countries | 0 | - | 4.81 | 51,587 |
| Country Chain | 0 | - | 4.92 | 157,499 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.82 | 1,000,934 |
| World Map without 12 Countries | 0 | - | 4.96 | 279,145 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.72 | 83,161 |
| Top 15 Countries with the Most Hindus | 0 | - | 4.91 | 78,369 |
| Every Country Shape | 0 | - | 4.99 | 315,034 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,891,732 |
| Top Chocolate Growing Countries | 0 | - | 4.89 | 39,673 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 218,248 |
| Countries with Megacities | 0 | - | 4.99 | 176,578 |
| Countries of Europe by Population | 0 | - | 4.98 | 108,811 |
| Every European Country Shape | 0 | - | 4.94 | 152,990 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 165,660 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 171,052 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 168,858 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 112,800 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 143,408 |
| 10 Biggest American Countries by Area | 0 | - | 4.97 | 86,473 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 127,728 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 123,839 |
| All Countries of the World by Area with Hints | 0 | - | 4.95 | 154,050 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,659,013 |
| Countries of the Middle East | 0 | - | 4.96 | 149,223 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.94 | 215,506 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 102,910 |
| One Country By Letter By Continent | 0 | - | 4.99 | 37,340 |
| Most Populous Countries by Year | 0 | - | 4.78 | 79,573 |
| Largest Countries with No Borders | 0 | - | 4.97 | 163,953 |
| Top 10 Hottest European Countries | 0 | - | 4.87 | 87,636 |
| Top 10 Coldest Asian Countries | 0 | - | 4.96 | 92,193 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 144,195 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 85,878 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.98 | 72,291 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 83,918 |
| 10 Westernmost Countries in Europe | 0 | - | 4.94 | 113,096 |
| 10 Southernmost Countries in Asia | 0 | - | 4.98 | 68,010 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 85,792 |
| 10 Westernmost Countries in Asia | 0 | - | 4.74 | 51,934 |
| 10 Northernmost Countries in Africa | 0 | - | 4.99 | 117,451 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 172,118 |
| Countries With More than 50 Million People | 0 | - | 4.98 | 125,237 |
| 10 Southernmost Countries in Africa | 0 | - | 4.99 | 84,243 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 176,804 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.92 | 35,349 |
| Top 10 Countries with the Most Exports per Capita | 0 | - | 4.65 | 24,739 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.92 | 55,232 |
| African Diaspora - Top 10 Countries | 0 | - | 4.84 | 60,080 |
| European Diaspora - Top 11 Countries | 0 | - | 4.87 | 73,804 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.82 | 32,612 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.97 | 87,663 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.96 | 189,317 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.88 | 78,717 |
| 10 European Countries with the Most Tourists | 0 | - | 4.96 | 84,073 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.74 | 60,593 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 160,492 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,672 |
| Top 10 Countries with the Most Time Zones | 0 | - | 4.78 | 112,990 |
| Top 10 Countries with the Most Volcanoes | 0 | - | 4.44 | 57,612 |
| Top 10 Countries by Per Capita Crude Oil Production | 0 | - | 4.45 | 38,435 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 76,224 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 87,315 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 116,098 |
| Top 10 Richest Countries in Asia | 0 | - | 4.91 | 61,475 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.86 | 57,052 |
| Top 10 European Countries with the Highest Elevation | 0 | - | 4.77 | 64,405 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.73 | 53,110 |
| Countries with the Most Wolves | 0 | - | 4.89 | 69,395 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.57 | 54,125 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 90,802 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,989 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,708 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,481 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,550 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 48,104 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 99,360 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 117,047 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.96 | 112,616 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.72 | 62,080 |
| Top 10 Most Protestant European Countries | 0 | - | 4.45 | 30,182 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.91 | 85,583 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 86,351 |
| Countries with the Most People Bordering Them | 0 | - | 4.96 | 66,637 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.47 | 40,267 |
| European Countries with the Lowest Average Elevation | 0 | - | 4.65 | 46,293 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 62,348 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.82 | 61,873 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.92 | 45,100 |
