| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 34,243,363 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 737,366 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 344,109 |
| Country Shape Quiz #3 | 0 | - | 4.94 | 246,354 |
| Country Shape Quiz #4 | 0 | - | 4.90 | 180,175 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,168,570 |
| Biggest Countries by Area | 0 | - | 4.99 | 829,570 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 163,895 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,879 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.90 | 295,655 |
| Island Countries Quiz | 0 | - | 4.99 | 577,538 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 294,558 |
| Southernmost Countries of the World | 0 | - | 4.99 | 182,219 |
| Majority Muslim Countries | 0 | - | 4.96 | 281,823 |
| Countries with the Most Borders | 0 | - | 4.96 | 318,281 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 353,017 |
| Countries That Border Russia | 0 | - | 4.98 | 368,564 |
| Countries and Languages Quiz | 0 | - | 4.86 | 215,697 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 255,790 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 287,229 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 172,566 |
| Countries by Borders #1 | 0 | - | 5.00 | 154,456 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 205,425 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 306,923 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 301,246 |
| One Border Countries | 0 | - | 4.98 | 359,565 |
| NATO Countries Quiz | 0 | - | 4.97 | 202,019 |
| EU Countries Quiz | 0 | - | 4.99 | 207,124 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,478,685 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,255,441 |
| Countries that Start with A | 0 | - | 4.96 | 1,632,470 |
| Countries that Start with B | 0 | - | 4.94 | 1,770,044 |
| Countries that Start with C | 0 | - | 4.95 | 1,402,511 |
| Countries that Start with D | 0 | - | 4.96 | 464,841 |
| Countries that Start with E | 0 | - | 4.93 | 1,034,487 |
| Countries that Start with G | 0 | - | 4.95 | 1,132,080 |
| Countries that Start with H | 0 | - | 4.93 | 391,674 |
| Countries that Start with I | 0 | - | 4.90 | 978,265 |
| Countries that Start with J | 0 | - | 4.96 | 395,011 |
| Countries that Start with K | 0 | - | 4.94 | 573,351 |
| Countries that Start with L | 0 | - | 4.98 | 814,989 |
| Countries that Start with N | 0 | - | 4.90 | 836,212 |
| Countries that Start with P | 0 | - | 4.94 | 924,178 |
| Countries that Start with R | 0 | - | 4.42 | 300,729 |
| Countries that Start with S | 0 | - | 4.96 | 1,358,905 |
| Countries that Start with T | 0 | - | 4.89 | 760,349 |
| Countries that Start with U | 0 | - | 4.97 | 686,004 |
| Countries that Start with V | 0 | - | 4.97 | 457,054 |
| Countries that Start with F | 0 | - | 4.76 | 425,024 |
| Countries that Start with M | 0 | - | 4.95 | 1,062,279 |
| Countries that Border China | 0 | - | 4.97 | 212,297 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 165,172 |
| Countries in World War I | 0 | - | 4.91 | 183,118 |
| Countries with Four Letters | 0 | - | 4.99 | 321,531 |
| Countries of Africa | 0 | - | 5.00 | 1,739,347 |
| Countries of South America | 0 | - | 5.00 | 625,269 |
| Countries of North America Quiz | 0 | - | 5.00 | 708,759 |
| Countries of Oceania | 0 | - | 5.00 | 715,004 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 155,476 |
| Countries with Double Letters | 0 | - | 4.89 | 36,950 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 206,628 |
| Countries Bordering France | 0 | - | 4.90 | 309,622 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 199,908 |
| Countries Bordering Germany | 0 | - | 4.99 | 293,017 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 131,472 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 253,284 |
| Countries that End in N | 0 | - | 4.93 | 103,121 |
| Countries by Clue #1 | 0 | - | 4.89 | 196,009 |
| Countries with Five Letters Quiz | 0 | - | 4.92 | 192,497 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 158,018 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 126,737 |
| Independence from Whom | 0 | - | 4.99 | 153,087 |
| Countries with W | 0 | - | 4.97 | 110,678 |
| Countries with Z | 0 | - | 4.99 | 223,259 |
| "Land" Countries | 0 | - | 4.98 | 265,320 |
| European Countries by Clue | 0 | - | 4.94 | 154,589 |
| Countries with Letters Missing | 0 | - | 4.97 | 143,675 |
| Countries That End in U | 0 | - | 4.90 | 84,631 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.95 | 217,915 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,547 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 247,035 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 147,199 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.97 | 59,578 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,454 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 156,505 |
| Countries with J | 0 | - | 4.34 | 136,993 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,880 |
| Countries With One Word and Three A's | 0 | - | 4.84 | 23,190 |
| One-Syllable Countries Quiz | 0 | - | 4.36 | 101,242 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 56,222 |
| Countries that End in O | 0 | - | 4.93 | 117,955 |
| Countries that End in R | 0 | - | 4.86 | 88,724 |
| Countries With the Most Languages | 0 | - | 4.90 | 150,688 |
| Country Names Created by Only 4 Letters | 0 | - | 4.98 | 125,583 |
| Countries Closest to Canada | 0 | - | 4.93 | 156,997 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 141,519 |
| Countries Closest to Spain | 0 | - | 4.96 | 170,807 |
| Countries Ending in "IA" | 0 | - | 4.99 | 150,478 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 343,032 |
| Countries by First and Last Letter #2 | 0 | - | 4.93 | 107,001 |
| Countries by Last Two Letters | 0 | - | 4.85 | 106,856 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 194,265 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,335,006 |
| Countries That End in Y | 0 | - | 4.89 | 148,580 |
| Countries Whose Names Start with Saint | 0 | - | 4.83 | 85,612 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 163,259 |
| Countries that End in I | 0 | - | 4.89 | 90,947 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 144,028 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 133,538 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.90 | 109,242 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 168,951 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 81,857 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 72,058 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 113,405 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,869 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 54,834 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.94 | 150,757 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.91 | 57,698 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 57,046 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 173,216 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 79,787 |
| Countries That End in NIA | 0 | - | 4.93 | 93,173 |
| Countries That End in BIA | 0 | - | 4.93 | 115,406 |
| Countries That End in RIA | 0 | - | 4.89 | 93,005 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.89 | 127,298 |
| Country Chain | 0 | - | 4.92 | 156,831 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.72 | 63,794 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.82 | 998,685 |
| World Map without 12 Countries | 0 | - | 4.96 | 278,800 |
| Most Common Words in Official Country Names | 0 | - | 4.84 | 67,219 |
| Every Country Shape | 0 | - | 4.99 | 314,166 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,884,349 |
| Asian Countries Ending in "IA" | 0 | - | 4.91 | 71,935 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,822 |
| Countries with Megacities | 0 | - | 4.99 | 176,189 |
| Countries of Europe by Population | 0 | - | 4.98 | 108,545 |
| Every European Country Shape | 0 | - | 4.94 | 152,747 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 165,370 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 170,549 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 168,476 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 127,248 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 123,543 |
| All Countries of the World by Area with Hints | 0 | - | 4.95 | 153,438 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,651,816 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.94 | 214,150 |
| One Country By Letter By Continent | 0 | - | 4.99 | 36,649 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 103,659 |
| Most Populous Countries by Year | 0 | - | 4.78 | 79,217 |
| Largest Countries with No Borders | 0 | - | 4.97 | 163,697 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 85,724 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 93,810 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.98 | 72,159 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 83,733 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 171,763 |
| Countries With More than 50 Million People | 0 | - | 4.98 | 125,070 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 176,460 |
| "Stan" Countries - Map Quiz | 0 | - | 4.97 | 91,648 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.96 | 188,644 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 62,580 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 160,127 |
| Divided Country Name Puzzle #3 | 0 | - | 4.90 | 93,553 |
| Countries that End in L | 0 | - | 4.96 | 107,635 |
| Countries of Asia with Two or More Words | 0 | - | 4.93 | 80,681 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 76,071 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 87,156 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 90,559 |
| Countries that are Free from U.S.A. | 0 | - | 4.78 | 36,932 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 90,154 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,729 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,593 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,380 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,445 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,998 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 99,198 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 116,767 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.96 | 112,418 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.71 | 61,894 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.91 | 85,341 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 86,165 |
| Countries with the Most People Bordering Them | 0 | - | 4.96 | 66,490 |
| Add A Letter - Make a Country | 0 | - | 4.72 | 49,485 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.47 | 40,023 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 62,166 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.82 | 61,696 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.92 | 44,982 |
| Countries by Emojis | 0 | - | 4.99 | 158,713 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 248,610 |
| Random Flag to Country | 0 | - | 4.99 | 388,896 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 81,516 |
| Name a Valid Country #1 | 0 | - | 4.99 | 172,790 |
| Name a Valid Country #2 | 0 | - | 4.97 | 151,522 |
| Name a Valid Country #3 | 0 | - | 4.98 | 162,290 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,097,390 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 240,610 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 174,877 |
| Name a Valid European Country #1 | 0 | - | 4.98 | 159,282 |
| Category Elimination - Countries #3 | 0 | - | 4.98 | 167,903 |
| Densest Countries Bordering Each Other | 0 | - | 4.88 | 57,581 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 83,719 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 67,096 |
