| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 36,086,706 |
| Country Shape Quiz #1 | 0 | - | 4.89 | 768,706 |
| Country Shape Quiz #2 | 0 | - | 4.92 | 354,368 |
| Country Shape Quiz #3 | 0 | - | 4.91 | 252,488 |
| Country Shape Quiz #4 | 0 | - | 4.90 | 184,903 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,206,743 |
| Biggest Countries by Area | 0 | - | 4.99 | 858,357 |
| Spanish-Speaking Countries | 0 | - | 4.88 | 317,637 |
| Island Countries Quiz | 0 | - | 4.99 | 598,164 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 301,117 |
| Southernmost Countries of the World | 0 | - | 4.99 | 186,353 |
| Majority Muslim Countries | 0 | - | 4.97 | 292,684 |
| Countries with the Most Borders | 0 | - | 4.97 | 327,969 |
| Countries That Border Russia | 0 | - | 4.97 | 383,734 |
| Countries and Languages Quiz | 0 | - | 4.84 | 221,509 |
| Communist Countries in History | 0 | - | 4.43 | 400,564 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 262,347 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 296,370 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 176,304 |
| 2010 Year in Review | 0 | - | 3.94 | 47,405 |
| Countries by Borders #1 | 0 | - | 4.99 | 167,754 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 210,581 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 315,725 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 309,466 |
| One Border Countries | 0 | - | 4.97 | 375,084 |
| 2011 Year in Review | 0 | - | 4.15 | 39,835 |
| NATO Countries Quiz | 0 | - | 4.98 | 208,509 |
| EU Countries Quiz | 0 | - | 4.99 | 212,948 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,672,280 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,341,345 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 135,151 |
| Countries by Independence Day Quiz | 0 | - | 4.44 | 42,837 |
| Countries that Start with A | 0 | - | 4.96 | 1,738,867 |
| Countries that Start with B | 0 | - | 4.92 | 1,877,359 |
| Countries that Start with C | 0 | - | 4.94 | 1,486,417 |
| Countries that Start with D | 0 | - | 4.95 | 514,374 |
| Countries that Start with E | 0 | - | 4.92 | 1,103,448 |
| Countries that Start with G | 0 | - | 4.94 | 1,209,936 |
| Countries that Start with H | 0 | - | 4.91 | 437,415 |
| Countries that Start with I | 0 | - | 4.89 | 1,028,726 |
| Countries that Start with J | 0 | - | 4.97 | 425,127 |
| Countries that Start with K | 0 | - | 4.93 | 611,396 |
| Countries that Start with L | 0 | - | 4.97 | 858,440 |
| Countries that Start with N | 0 | - | 4.87 | 880,577 |
| Countries that Start with P | 0 | - | 4.89 | 973,514 |
| Countries that Start with R | 0 | - | 4.40 | 324,683 |
| Countries that Start with S | 0 | - | 4.97 | 1,430,128 |
| Countries that Start with T | 0 | - | 4.83 | 800,603 |
| Countries that Start with U | 0 | - | 4.96 | 719,736 |
| Countries that Start with V | 0 | - | 4.96 | 480,851 |
| Countries that Start with F | 0 | - | 4.68 | 472,016 |
| Countries that Start with M | 0 | - | 4.94 | 1,117,085 |
| Countries that Border China | 0 | - | 4.96 | 218,138 |
| Countries in World War II | 0 | - | 4.43 | 712,260 |
| Countries that Produce the Most Wine | 0 | - | 4.85 | 169,007 |
| Countries in World War I | 0 | - | 4.91 | 191,050 |
| Countries with Four Letters | 0 | - | 4.99 | 354,377 |
| Countries of Africa | 0 | - | 5.00 | 1,861,449 |
| Countries of South America | 0 | - | 5.00 | 669,864 |
| Countries of North America Quiz | 0 | - | 5.00 | 757,894 |
| Countries of Oceania | 0 | - | 5.00 | 764,823 |
| "Stan" Countries Quiz | 0 | - | 4.95 | 160,527 |
| Vietnam War Countries | 0 | - | 4.76 | 80,396 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 212,044 |
| Countries Bordering France | 0 | - | 4.82 | 332,590 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 205,104 |
| Countries Bordering Germany | 0 | - | 4.98 | 304,961 |
| Countries Bordering China Since 1914 | 0 | - | 4.91 | 73,591 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 273,242 |
| Countries "Ruled" by King Charles III | 0 | - | 4.74 | 75,799 |
| Countries of the Soviet Union | 0 | - | 4.99 | 153,952 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 94,950 |
| Countries by Clue #1 | 0 | - | 4.88 | 202,280 |
| Countries with Five Letters Quiz | 0 | - | 4.94 | 215,178 |
| Countries with Six Letters Quiz | 0 | - | 4.92 | 163,410 |
| Independence from Whom | 0 | - | 4.99 | 170,730 |
| Countries with Z | 0 | - | 4.98 | 229,459 |
| Holy Roman Empire Countries | 0 | - | 4.53 | 39,375 |
| Political Movements by Country | 0 | - | 4.48 | 63,905 |
| "Land" Countries | 0 | - | 4.98 | 273,397 |
| European Countries by Clue | 0 | - | 4.93 | 159,212 |
| 2012 Year in Review | 0 | - | 4.03 | 43,928 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.95 | 224,139 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 178,354 |
| Who Controlled These Colonies? | 0 | - | 4.80 | 103,941 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 255,503 |
| Former Countries by Capital | 0 | - | 4.41 | 99,103 |
| Most Populous Countries in 1900 | 0 | - | 4.88 | 151,634 |
| Warsaw Pact Countries | 0 | - | 4.88 | 66,613 |
| Inventions by Country #1 | 0 | - | 4.43 | 42,967 |
| 2013 Year in Review | 0 | - | 4.30 | 38,158 |
| Most Populous Countries in 1950 | 0 | - | 4.45 | 65,824 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 160,949 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 189,382 |
| Historical City to Country | 0 | - | 4.78 | 68,309 |
| Countries of the Japanese Empire | 0 | - | 4.96 | 78,886 |
| Countries in the Ottoman Empire | 0 | - | 4.92 | 52,938 |
| Countries With the Most Languages | 0 | - | 4.88 | 157,380 |
| 2014 Year in Review | 0 | - | 4.46 | 28,623 |
| Countries Closest to Canada | 0 | - | 4.90 | 161,659 |
| Countries Closest to Italy | 0 | - | 4.97 | 163,042 |
| Countries Closest to Spain | 0 | - | 4.96 | 177,727 |
| Countries Ending in "IA" | 0 | - | 4.99 | 156,594 |
| Countries Settled by Vikings | 0 | - | 4.93 | 102,923 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 356,632 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 200,332 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,546,367 |
| Countries that Bordered the USSR | 0 | - | 4.91 | 132,955 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 168,184 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 175,372 |
| Former Countries | 0 | - | 4.59 | 115,712 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 231,103 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.92 | 180,507 |
| Guerrillas by Country | 0 | - | 4.46 | 35,900 |
| Country Chain | 0 | - | 4.91 | 163,030 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.82 | 1,042,760 |
| World Map without 12 Countries | 0 | - | 4.96 | 285,474 |
| 2015 Year in Review | 0 | - | 3.96 | 23,917 |
| Neutral European Countries of WWII | 0 | - | 4.93 | 116,873 |
| Every Country Shape | 0 | - | 5.00 | 333,945 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,025,839 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 226,764 |
| Countries with Megacities | 0 | - | 4.99 | 181,625 |
| Every European Country Shape | 0 | - | 4.93 | 158,538 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 170,780 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 180,071 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 176,258 |
| All Countries of the World by Area with Hints | 0 | - | 4.95 | 165,428 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,779,080 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.91 | 228,381 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 69,179 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.96 | 162,266 |
| One Country By Letter By Continent | 0 | - | 4.99 | 47,794 |
| Most Populous Countries by Year | 0 | - | 4.71 | 82,978 |
| Largest Countries with No Borders | 0 | - | 4.96 | 169,421 |
| Countries of Europe After World War II | 0 | - | 4.97 | 151,614 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 120,215 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 179,789 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.86 | 182,662 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 201,876 |
| 2016 News Stories - Name the Country | 0 | - | 4.42 | 20,725 |
| 2016 Year in Review | 0 | - | 3.90 | 30,973 |
| Most Recently-Settled Countries | 0 | - | 4.88 | 46,097 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 167,901 |
| Biggest Roman Empire Countries | 0 | - | 4.84 | 76,288 |
| Biggest Mongol Empire Countries | 0 | - | 4.90 | 63,250 |
| Countries of Asia in 1900 | 0 | - | 4.46 | 49,550 |
| Biggest British Empire Countries | 0 | - | 4.48 | 72,691 |
| Biggest Spanish Empire Countries | 0 | - | 4.71 | 84,221 |
| Soviet Union Country Quiz | 0 | - | 4.83 | 59,470 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.97 | 161,040 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 95,476 |
| Quiz on the Year 1997 | 0 | - | 4.25 | 17,495 |
| Flags of the Countries that Start with C | 0 | - | 4.90 | 105,390 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 70,922 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.83 | 56,591 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.89 | 62,463 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.90 | 49,934 |
| First Countries to Reach 5 Million People | 0 | - | 4.89 | 102,139 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 123,467 |
| Most-Visited Countries by Popes | 0 | - | 4.47 | 55,823 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.71 | 66,085 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.87 | 90,371 |
| 2017 News Stories - Name the Country | 0 | - | 4.49 | 25,053 |
| 2017 Year in Review | 0 | - | 4.45 | 28,102 |
| Quiz on the Year 1998 | 0 | - | 4.28 | 13,949 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 65,887 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.80 | 65,477 |
| Countries by Emojis | 0 | - | 4.99 | 166,775 |
| 17th Century A-Z | 0 | - | 4.51 | 22,174 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 262,011 |
| Country by Photo of its Leader #1 | 0 | - | 4.70 | 83,512 |
| Countries of the World in 1900 | 0 | - | 4.85 | 56,151 |
| Random Flag to Country | 0 | - | 4.99 | 419,133 |
| Name a Valid Country #1 | 0 | - | 4.99 | 183,111 |
| 2018 News Stories - Name the Country | 0 | - | 4.40 | 20,848 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.49 | 43,271 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 153,561 |
| Name a Valid Country #2 | 0 | - | 4.97 | 159,802 |
| Name a Valid Country #3 | 0 | - | 4.97 | 170,979 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,163,138 |
| Countries of the German Empire | 0 | - | 4.44 | 28,646 |
| Countries in the Byzantine Empire | 0 | - | 4.92 | 61,112 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 253,909 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 77,208 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 185,049 |
| Name a Valid European Country #1 | 0 | - | 4.98 | 168,342 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 98,354 |
| Category Elimination - Countries #3 | 0 | - | 4.98 | 177,053 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 112,027 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 78,583 |
| Battle to Country | 0 | - | 4.85 | 31,812 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 70,177 |
| Countries by Former Name | 0 | - | 4.98 | 85,999 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 62,019 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 184,407 |
| Random European Countries on a Map | 0 | - | 4.98 | 226,390 |
| Random African Countries on a Map | 0 | - | 4.98 | 212,833 |
| Name a Valid Country #4 | 0 | - | 4.94 | 157,422 |
| World Map Without 20 Random Countries | 0 | - | 4.98 | 6,005,367 |
