| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 34,290,404 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 738,068 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 344,344 |
| Country Shape Quiz #3 | 0 | - | 4.94 | 246,504 |
| Country Shape Quiz #4 | 0 | - | 4.91 | 180,292 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,169,507 |
| Biggest Countries by Area | 0 | - | 4.99 | 830,255 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 163,971 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,939 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.90 | 295,881 |
| Island Countries Quiz | 0 | - | 4.99 | 577,958 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 294,708 |
| Southernmost Countries of the World | 0 | - | 4.99 | 182,290 |
| Majority Muslim Countries | 0 | - | 4.96 | 282,031 |
| Countries with the Most Borders | 0 | - | 4.96 | 318,511 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 353,239 |
| Countries That Border Russia | 0 | - | 4.98 | 368,894 |
| Countries and Languages Quiz | 0 | - | 4.86 | 215,805 |
| Communist Countries in History | 0 | - | 4.48 | 384,267 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 255,921 |
| Islands by Country #1 | 0 | - | 4.86 | 149,626 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 287,398 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 172,661 |
| Countries by Borders #1 | 0 | - | 5.00 | 154,540 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 205,524 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 307,121 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 301,439 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 133,090 |
| Former Capitals Quiz | 0 | - | 4.74 | 54,547 |
| One Border Countries | 0 | - | 4.98 | 359,889 |
| NATO Countries Quiz | 0 | - | 4.97 | 202,158 |
| EU Countries Quiz | 0 | - | 4.99 | 207,275 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,483,457 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,257,515 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 131,617 |
| Countries by Independence Day Quiz | 0 | - | 4.48 | 41,956 |
| Countries that Start with A | 0 | - | 4.96 | 1,634,316 |
| Countries that Start with B | 0 | - | 4.94 | 1,771,877 |
| Countries that Start with C | 0 | - | 4.95 | 1,403,960 |
| Countries that Start with D | 0 | - | 4.97 | 465,599 |
| Countries that Start with E | 0 | - | 4.93 | 1,035,659 |
| Countries that Start with G | 0 | - | 4.95 | 1,133,498 |
| Countries that Start with H | 0 | - | 4.93 | 392,334 |
| Countries that Start with I | 0 | - | 4.91 | 979,251 |
| Countries that Start with J | 0 | - | 4.96 | 395,663 |
| Countries that Start with K | 0 | - | 4.95 | 574,202 |
| Countries that Start with L | 0 | - | 4.98 | 815,938 |
| Countries that Start with N | 0 | - | 4.90 | 837,412 |
| Countries that Start with P | 0 | - | 4.94 | 925,251 |
| Countries that Start with R | 0 | - | 4.42 | 301,244 |
| Countries that Start with S | 0 | - | 4.96 | 1,360,445 |
| Countries that Start with T | 0 | - | 4.89 | 761,180 |
| Countries that Start with U | 0 | - | 4.97 | 686,768 |
| Countries that Start with V | 0 | - | 4.97 | 457,568 |
| Countries that Start with F | 0 | - | 4.77 | 425,690 |
| Countries that Start with M | 0 | - | 4.95 | 1,063,434 |
| Countries that Border China | 0 | - | 4.97 | 212,448 |
| Top Crude Oil Producing Countries | 0 | - | 4.84 | 145,641 |
| Countries in World War II | 0 | - | 4.48 | 682,445 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 165,264 |
| Countries in World War I | 0 | - | 4.91 | 183,282 |
| Countries with Four Letters | 0 | - | 4.99 | 321,810 |
| Countries of Africa | 0 | - | 5.00 | 1,741,893 |
| Countries of South America | 0 | - | 5.00 | 626,325 |
| Countries of North America Quiz | 0 | - | 5.00 | 709,920 |
| Countries of Oceania | 0 | - | 5.00 | 716,260 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 155,633 |
| Vietnam War Countries | 0 | - | 4.78 | 76,872 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 206,745 |
| Countries Bordering France | 0 | - | 4.90 | 309,875 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 200,026 |
| Countries Bordering Germany | 0 | - | 4.99 | 293,285 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,375 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 253,422 |
| Countries "Ruled" by King Charles III | 0 | - | 4.74 | 65,210 |
| Countries of the Soviet Union | 0 | - | 4.99 | 146,609 |
| Countries in their Native Language | 0 | - | 4.97 | 149,906 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 92,252 |
| Countries by Clue #1 | 0 | - | 4.89 | 196,146 |
| Countries with Five Letters Quiz | 0 | - | 4.92 | 192,632 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 158,118 |
| Independence from Whom | 0 | - | 4.99 | 153,193 |
| Countries with Z | 0 | - | 4.99 | 223,379 |
| Holy Roman Empire Countries | 0 | - | 4.58 | 37,625 |
| Political Movements by Country | 0 | - | 4.50 | 62,057 |
| "Land" Countries | 0 | - | 4.98 | 265,503 |
| European Countries by Clue | 0 | - | 4.94 | 154,701 |
| Countries with Letters Missing | 0 | - | 4.97 | 143,744 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.95 | 218,246 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,663 |
| Who Controlled These Colonies? | 0 | - | 4.73 | 100,786 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 247,239 |
| Former Countries by Capital | 0 | - | 4.41 | 97,494 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 147,292 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,737 |
| Inventions by Country #1 | 0 | - | 4.43 | 41,882 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,497 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 156,599 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 182,038 |
| Historical City to Country | 0 | - | 4.81 | 66,506 |
| Biggest Countries by Area A-Z | 0 | - | 4.94 | 148,456 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 75,064 |
| Countries in the Ottoman Empire | 0 | - | 4.93 | 50,835 |
| Countries With the Most Languages | 0 | - | 4.90 | 151,007 |
| Countries Closest to Canada | 0 | - | 4.93 | 157,102 |
| Countries Closest to Italy | 0 | - | 4.97 | 148,849 |
| Countries Closest to Spain | 0 | - | 4.96 | 170,962 |
| Countries Ending in "IA" | 0 | - | 4.99 | 150,651 |
| Countries Settled by Vikings | 0 | - | 4.92 | 91,951 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 343,342 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 194,400 |
| WWII Geography | 0 | - | 4.74 | 89,100 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,339,697 |
| Countries That End in Y | 0 | - | 4.89 | 148,685 |
| Countries that Bordered the USSR | 0 | - | 4.94 | 129,165 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 163,370 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 144,153 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 169,086 |
| Former Countries | 0 | - | 4.53 | 100,546 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 225,028 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.94 | 150,878 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 173,344 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 143,996 |
| Five Poorest Countries by Continent | 0 | - | 4.95 | 143,970 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,374 |
| Country Chain | 0 | - | 4.92 | 157,006 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.82 | 999,646 |
| World Map without 12 Countries | 0 | - | 4.96 | 278,958 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 111,084 |
| Every Country Shape | 0 | - | 4.99 | 314,553 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,887,583 |
| Five Biggest Economies by Continent | 0 | - | 4.97 | 144,581 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 218,025 |
| Countries with Megacities | 0 | - | 4.99 | 176,374 |
| Every European Country Shape | 0 | - | 4.94 | 152,851 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 165,512 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 170,733 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 168,674 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 143,279 |
| All Countries of the World by Area with Hints | 0 | - | 4.95 | 153,734 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,655,114 |
| Countries of the Middle East | 0 | - | 4.96 | 148,960 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.94 | 215,005 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 66,202 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.96 | 143,983 |
| One Country By Letter By Continent | 0 | - | 4.99 | 36,982 |
| Most Populous Countries by Year | 0 | - | 4.78 | 79,443 |
| Largest Countries with No Borders | 0 | - | 4.97 | 163,799 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,802 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 112,738 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 144,078 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 171,923 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 176,618 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.96 | 188,929 |
| Most Recently-Settled Countries | 0 | - | 4.90 | 44,907 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 160,289 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 74,024 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,611 |
| Countries of Asia in 1900 | 0 | - | 4.42 | 48,036 |
| Biggest British Empire Countries | 0 | - | 4.43 | 55,598 |
| Biggest Spanish Empire Countries | 0 | - | 4.79 | 81,139 |
| Soviet Union Country Quiz | 0 | - | 4.79 | 56,634 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,830 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 90,663 |
| Countries Most Affected by the 2004 Tsunami | 0 | - | 3.95 | 18,172 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,841 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,638 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,418 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,494 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 48,046 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 99,265 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 116,875 |
| Most-Visited Countries by Popes | 0 | - | 4.44 | 43,161 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.72 | 61,981 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.91 | 85,446 |
| 2017 News Stories - Name the Country | 0 | - | 4.48 | 24,062 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 62,255 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.82 | 61,789 |
| Countries by Emojis | 0 | - | 4.99 | 159,010 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 249,059 |
| Country by Photo of its Leader #1 | 0 | - | 4.74 | 80,863 |
| Roman Provinces on a Map | 0 | - | 4.73 | 25,788 |
| Countries of the World in 1900 | 0 | - | 4.87 | 52,699 |
| Random Flag to Country | 0 | - | 4.99 | 389,363 |
| Name a Valid Country #1 | 0 | - | 4.99 | 173,926 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.46 | 34,114 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 147,363 |
| Name a Valid Country #2 | 0 | - | 4.97 | 152,577 |
| Name a Valid Country #3 | 0 | - | 4.98 | 163,215 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,098,818 |
| Countries of the German Empire | 0 | - | 4.36 | 26,729 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,414 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 240,928 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 73,131 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 175,121 |
| Name a Valid European Country #1 | 0 | - | 4.98 | 159,595 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 93,331 |
| Category Elimination - Countries #3 | 0 | - | 4.98 | 168,118 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 106,052 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 74,605 |
