| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 34,305,659 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 738,285 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 344,411 |
| Country Shape Quiz #3 | 0 | - | 4.94 | 246,549 |
| Country Shape Quiz #4 | 0 | - | 4.91 | 180,315 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,169,747 |
| Biggest Countries by Area | 0 | - | 4.99 | 830,435 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 163,987 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,959 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.90 | 295,953 |
| Island Countries Quiz | 0 | - | 4.99 | 578,068 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 294,753 |
| Southernmost Countries of the World | 0 | - | 4.99 | 182,311 |
| Majority Muslim Countries | 0 | - | 4.96 | 282,093 |
| Countries with the Most Borders | 0 | - | 4.96 | 318,573 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 353,295 |
| Countries That Border Russia | 0 | - | 4.98 | 369,005 |
| Regions of Countries #1 | 0 | - | 4.96 | 137,933 |
| Countries and Languages Quiz | 0 | - | 4.86 | 215,856 |
| Communist Countries in History | 0 | - | 4.48 | 384,386 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 255,957 |
| Islands by Country #1 | 0 | - | 4.86 | 149,652 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 287,446 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 172,695 |
| Countries by Borders #1 | 0 | - | 5.00 | 154,567 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 205,558 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 307,167 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 301,478 |
| One Border Countries | 0 | - | 4.98 | 359,997 |
| Countries by Official Language | 0 | - | 4.93 | 142,317 |
| NATO Countries Quiz | 0 | - | 4.97 | 202,209 |
| EU Countries Quiz | 0 | - | 4.99 | 207,334 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,485,187 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,258,284 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 131,656 |
| Countries by Independence Day Quiz | 0 | - | 4.48 | 41,962 |
| Countries that Start with A | 0 | - | 4.96 | 1,634,808 |
| Countries that Start with B | 0 | - | 4.94 | 1,772,356 |
| Countries that Start with C | 0 | - | 4.95 | 1,404,338 |
| Countries that Start with D | 0 | - | 4.97 | 465,782 |
| Countries that Start with E | 0 | - | 4.93 | 1,035,953 |
| Countries that Start with G | 0 | - | 4.95 | 1,133,820 |
| Countries that Start with H | 0 | - | 4.93 | 392,502 |
| Countries that Start with I | 0 | - | 4.91 | 979,516 |
| Countries that Start with J | 0 | - | 4.96 | 395,819 |
| Countries that Start with K | 0 | - | 4.95 | 574,419 |
| Countries that Start with L | 0 | - | 4.98 | 816,172 |
| Countries that Start with N | 0 | - | 4.90 | 837,650 |
| Countries that Start with P | 0 | - | 4.94 | 925,513 |
| Countries that Start with R | 0 | - | 4.42 | 301,361 |
| Countries that Start with S | 0 | - | 4.96 | 1,360,835 |
| Countries that Start with T | 0 | - | 4.89 | 761,394 |
| Countries that Start with U | 0 | - | 4.97 | 686,959 |
| Countries that Start with V | 0 | - | 4.97 | 457,700 |
| Countries that Start with F | 0 | - | 4.77 | 425,852 |
| Countries that Start with M | 0 | - | 4.95 | 1,063,700 |
| Countries that Border China | 0 | - | 4.97 | 212,500 |
| Top Crude Oil Producing Countries | 0 | - | 4.84 | 145,674 |
| Countries in World War II | 0 | - | 4.48 | 682,734 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 165,283 |
| Countries in World War I | 0 | - | 4.91 | 183,338 |
| Countries with Four Letters | 0 | - | 4.99 | 321,890 |
| Countries of Africa | 0 | - | 5.00 | 1,742,865 |
| Countries of South America | 0 | - | 5.00 | 626,718 |
| Countries of North America Quiz | 0 | - | 5.00 | 710,341 |
| Countries of Oceania | 0 | - | 5.00 | 716,638 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 155,680 |
| Vietnam War Countries | 0 | - | 4.78 | 76,893 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 206,792 |
| Countries Bordering France | 0 | - | 4.90 | 309,935 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 200,059 |
| Countries Bordering Germany | 0 | - | 4.99 | 293,349 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,400 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 253,462 |
| Countries "Ruled" by King Charles III | 0 | - | 4.74 | 65,227 |
| Countries of the Soviet Union | 0 | - | 4.99 | 146,651 |
| Countries in their Native Language | 0 | - | 4.97 | 149,930 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 92,266 |
| Countries by Clue #1 | 0 | - | 4.89 | 196,188 |
| Countries with Five Letters Quiz | 0 | - | 4.92 | 192,652 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 158,145 |
| Independence from Whom | 0 | - | 4.99 | 153,226 |
| Countries with Z | 0 | - | 4.99 | 223,424 |
| Holy Roman Empire Countries | 0 | - | 4.58 | 37,643 |
| Political Movements by Country | 0 | - | 4.50 | 62,074 |
| "Land" Countries | 0 | - | 4.98 | 265,555 |
| European Countries by Clue | 0 | - | 4.94 | 154,727 |
| Countries with Letters Missing | 0 | - | 4.97 | 143,766 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.95 | 218,320 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,689 |
| Who Controlled These Colonies? | 0 | - | 4.73 | 100,805 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 247,312 |
| Former Countries by Capital | 0 | - | 4.41 | 97,506 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 147,319 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,760 |
| Inventions by Country #1 | 0 | - | 4.43 | 41,892 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,516 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 156,622 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 182,094 |
| Historical City to Country | 0 | - | 4.81 | 66,524 |
| Biggest Countries by Area A-Z | 0 | - | 4.94 | 148,480 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 75,097 |
| Countries in the Ottoman Empire | 0 | - | 4.93 | 50,850 |
| Countries With the Most Languages | 0 | - | 4.90 | 151,038 |
| Countries Closest to Canada | 0 | - | 4.93 | 157,132 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 141,642 |
| Countries Closest to Italy | 0 | - | 4.97 | 148,877 |
| Countries Closest to Spain | 0 | - | 4.96 | 171,010 |
| Countries Ending in "IA" | 0 | - | 4.99 | 150,685 |
| Countries Settled by Vikings | 0 | - | 4.92 | 91,972 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 343,412 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 194,437 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,341,128 |
| Countries That End in Y | 0 | - | 4.89 | 148,705 |
| Countries that Bordered the USSR | 0 | - | 4.94 | 129,186 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 163,402 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 144,187 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 169,136 |
| Former Countries | 0 | - | 4.53 | 100,565 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 225,081 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.94 | 150,907 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 173,391 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 144,031 |
| Five Poorest Countries by Continent | 0 | - | 4.95 | 143,995 |
| Country Chain | 0 | - | 4.92 | 157,286 |
| Olympic Host Countries | 0 | - | 4.98 | 141,310 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.82 | 999,981 |
| World Map without 12 Countries | 0 | - | 4.96 | 279,004 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 111,123 |
| Every Country Shape | 0 | - | 4.99 | 314,656 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,888,544 |
| Five Biggest Economies by Continent | 0 | - | 4.97 | 144,607 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 218,079 |
| Countries with Megacities | 0 | - | 4.99 | 176,414 |
| Every European Country Shape | 0 | - | 4.94 | 152,887 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 165,548 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 170,793 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 168,719 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 143,310 |
| All Countries of the World by Area with Hints | 0 | - | 4.95 | 153,798 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,655,942 |
| Countries of the Middle East | 0 | - | 4.96 | 149,040 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.94 | 215,131 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 66,238 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.96 | 144,098 |
| One Country By Letter By Continent | 0 | - | 4.99 | 37,065 |
| Most Populous Countries by Year | 0 | - | 4.78 | 79,468 |
| Largest Countries with No Borders | 0 | - | 4.97 | 163,845 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,861 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 112,781 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 144,106 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 171,960 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 176,670 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.96 | 189,030 |
| 2016 News Stories - Name the Country | 0 | - | 4.36 | 20,050 |
| Most Recently-Settled Countries | 0 | - | 4.90 | 44,920 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 160,340 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 74,040 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,628 |
| Countries of Asia in 1900 | 0 | - | 4.42 | 48,045 |
| Biggest British Empire Countries | 0 | - | 4.43 | 55,619 |
| Biggest Spanish Empire Countries | 0 | - | 4.79 | 81,153 |
| Soviet Union Country Quiz | 0 | - | 4.79 | 56,662 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,883 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 90,694 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,873 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,652 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,435 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,506 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 48,061 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 99,285 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 116,913 |
| Most-Visited Countries by Popes | 0 | - | 4.44 | 43,177 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.72 | 61,996 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.91 | 85,468 |
| 2017 Year in Review | 0 | - | 4.41 | 27,318 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 62,270 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.82 | 61,799 |
| Countries by Emojis | 0 | - | 4.99 | 159,128 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 249,154 |
| Country by Photo of its Leader #1 | 0 | - | 4.74 | 80,880 |
| Countries of the World in 1900 | 0 | - | 4.87 | 52,730 |
| Random Flag to Country | 0 | - | 4.99 | 389,492 |
| Name a Valid Country #1 | 0 | - | 4.99 | 174,143 |
| 2018 News Stories - Name the Country | 0 | - | 4.40 | 20,014 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.46 | 34,127 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 147,432 |
| Name a Valid Country #2 | 0 | - | 4.97 | 152,756 |
| Name a Valid Country #3 | 0 | - | 4.98 | 163,378 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,099,199 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,430 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 241,023 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 73,168 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 175,195 |
| Name a Valid European Country #1 | 0 | - | 4.98 | 159,676 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 93,372 |
| Category Elimination - Countries #3 | 0 | - | 4.98 | 168,192 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 106,120 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 74,643 |
| Battle to Country | 0 | - | 4.89 | 30,660 |
