| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 34,101,149 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 735,054 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 343,349 |
| Country Shape Quiz #3 | 0 | - | 4.94 | 245,853 |
| Country Shape Quiz #4 | 0 | - | 4.90 | 179,792 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,165,563 |
| Biggest Countries by Area | 0 | - | 4.99 | 827,347 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 163,662 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,595 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.91 | 295,016 |
| Island Countries Quiz | 0 | - | 4.99 | 576,144 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 293,791 |
| Southernmost Countries of the World | 0 | - | 4.99 | 181,897 |
| Majority Muslim Countries | 0 | - | 4.96 | 281,209 |
| Countries with the Most Borders | 0 | - | 4.96 | 317,492 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 352,412 |
| Countries That Border Russia | 0 | - | 4.98 | 367,485 |
| Regions of Countries #1 | 0 | - | 4.96 | 137,331 |
| Countries and Languages Quiz | 0 | - | 4.86 | 215,298 |
| Communist Countries in History | 0 | - | 4.47 | 382,638 |
| City to Country Quiz #1 | 0 | - | 4.93 | 124,831 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 255,152 |
| Islands by Country #1 | 0 | - | 4.86 | 149,234 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 286,312 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 172,277 |
| Countries by Borders #1 | 0 | - | 5.00 | 154,112 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 204,999 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 306,250 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 300,649 |
| City to Country Quiz #2 | 0 | - | 4.64 | 84,067 |
| City to Country Quiz #3 | 0 | - | 4.86 | 91,860 |
| One Border Countries | 0 | - | 4.98 | 358,363 |
| Countries by Official Language | 0 | - | 4.93 | 141,964 |
| NATO Countries Quiz | 0 | - | 4.97 | 201,536 |
| EU Countries Quiz | 0 | - | 4.99 | 206,711 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,462,687 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,248,446 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 131,016 |
| Countries by Independence Day Quiz | 0 | - | 4.48 | 41,869 |
| Countries that Start with A | 0 | - | 4.96 | 1,626,662 |
| Countries that Start with B | 0 | - | 4.94 | 1,764,180 |
| Countries that Start with C | 0 | - | 4.95 | 1,397,898 |
| Countries that Start with D | 0 | - | 4.96 | 462,512 |
| Countries that Start with E | 0 | - | 4.93 | 1,030,855 |
| Countries that Start with G | 0 | - | 4.95 | 1,128,145 |
| Countries that Start with H | 0 | - | 4.92 | 389,675 |
| Countries that Start with I | 0 | - | 4.90 | 975,136 |
| Countries that Start with J | 0 | - | 4.96 | 392,960 |
| Countries that Start with K | 0 | - | 4.95 | 570,733 |
| Countries that Start with L | 0 | - | 4.98 | 811,951 |
| Countries that Start with N | 0 | - | 4.90 | 833,219 |
| Countries that Start with P | 0 | - | 4.94 | 920,858 |
| Countries that Start with R | 0 | - | 4.41 | 299,109 |
| Countries that Start with S | 0 | - | 4.97 | 1,354,247 |
| Countries that Start with T | 0 | - | 4.89 | 757,659 |
| Countries that Start with U | 0 | - | 4.97 | 683,601 |
| Countries that Start with V | 0 | - | 4.97 | 455,426 |
| Countries that Start with F | 0 | - | 4.74 | 422,999 |
| Countries that Start with M | 0 | - | 4.95 | 1,058,708 |
| Countries that Border China | 0 | - | 4.97 | 211,812 |
| Top Crude Oil Producing Countries | 0 | - | 4.84 | 144,981 |
| Countries in World War II | 0 | - | 4.47 | 678,982 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 164,770 |
| Countries in World War I | 0 | - | 4.92 | 182,556 |
| Countries with Four Letters | 0 | - | 4.99 | 320,736 |
| Countries of Africa | 0 | - | 5.00 | 1,729,875 |
| Countries of South America | 0 | - | 5.00 | 621,605 |
| Countries of North America Quiz | 0 | - | 5.00 | 704,755 |
| Countries of Oceania | 0 | - | 5.00 | 711,062 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 155,118 |
| Vietnam War Countries | 0 | - | 4.78 | 76,563 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 206,003 |
| Countries Bordering France | 0 | - | 4.90 | 308,738 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 199,235 |
| Countries Bordering Germany | 0 | - | 4.99 | 291,804 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,034 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 252,801 |
| Countries "Ruled" by King Charles III | 0 | - | 4.74 | 64,974 |
| Countries of the Soviet Union | 0 | - | 4.99 | 145,939 |
| Countries in their Native Language | 0 | - | 4.97 | 149,515 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 91,892 |
| Countries by Clue #1 | 0 | - | 4.89 | 195,642 |
| Countries with Five Letters Quiz | 0 | - | 4.92 | 192,145 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 157,699 |
| Independence from Whom | 0 | - | 4.99 | 152,739 |
| Countries with Z | 0 | - | 4.99 | 222,812 |
| Holy Roman Empire Countries | 0 | - | 4.56 | 37,439 |
| Political Movements by Country | 0 | - | 4.49 | 61,872 |
| "Land" Countries | 0 | - | 4.98 | 264,526 |
| European Countries by Clue | 0 | - | 4.94 | 154,273 |
| Countries with Letters Missing | 0 | - | 4.97 | 143,399 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.94 | 206,546 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,179 |
| Who Controlled These Colonies? | 0 | - | 4.73 | 100,475 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 246,400 |
| City to Country Quiz #4 | 0 | - | 4.54 | 71,909 |
| City to Country Quiz #5 | 0 | - | 4.52 | 69,897 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,861 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,498 |
| Inventions by Country #1 | 0 | - | 4.43 | 41,764 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,271 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 156,200 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,338 |
| Historical City to Country | 0 | - | 4.81 | 66,311 |
| Biggest Countries by Area A-Z | 0 | - | 4.94 | 148,057 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,665 |
| Countries in the Ottoman Empire | 0 | - | 4.92 | 50,626 |
| Countries With the Most Languages | 0 | - | 4.90 | 150,131 |
| Countries Closest to Canada | 0 | - | 4.93 | 156,315 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 141,047 |
| Countries Closest to Italy | 0 | - | 4.97 | 147,830 |
| Countries Closest to Spain | 0 | - | 4.96 | 170,103 |
| Countries Ending in "IA" | 0 | - | 4.99 | 150,031 |
| Countries Settled by Vikings | 0 | - | 4.92 | 91,690 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 62,869 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 342,003 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 193,764 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,319,816 |
| Countries That End in Y | 0 | - | 4.89 | 148,256 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 128,811 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 162,836 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 143,607 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 168,504 |
| Former Countries | 0 | - | 4.52 | 100,289 |
| City to Country Quiz #6 | 0 | - | 4.45 | 55,267 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,386 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.94 | 150,310 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 172,801 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 143,490 |
| Five Poorest Countries by Continent | 0 | - | 4.96 | 143,519 |
| Guerrillas by Country | 0 | - | 4.42 | 34,832 |
| Country Chain | 0 | - | 4.92 | 156,488 |
| Olympic Host Countries | 0 | - | 4.98 | 140,820 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.83 | 995,663 |
| World Map without 12 Countries | 0 | - | 4.96 | 278,309 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 110,541 |
| Every Country Shape | 0 | - | 4.99 | 312,719 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,873,674 |
| Five Biggest Economies by Continent | 0 | - | 4.97 | 144,064 |
| 48 Asian Countries, 48 Cities | 0 | - | 4.39 | 18,825 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,251 |
| Countries with Megacities | 0 | - | 4.99 | 175,161 |
| Every European Country Shape | 0 | - | 4.94 | 152,284 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 165,018 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 169,890 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 167,963 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 142,776 |
| All Countries of the World by Area with Hints | 0 | - | 4.95 | 152,525 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,641,940 |
| Countries of the Middle East | 0 | - | 4.96 | 147,956 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.94 | 191,323 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 65,769 |
| One Country By Letter By Continent | 0 | - | 4.99 | 35,793 |
| Most Populous Countries by Year | 0 | - | 4.77 | 78,889 |
| Largest Countries with No Borders | 0 | - | 4.97 | 163,325 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,137 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 112,009 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 143,507 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 171,227 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 175,893 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.96 | 187,658 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 44,764 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 159,611 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 73,746 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,378 |
| Countries of Asia in 1900 | 0 | - | 4.43 | 47,864 |
| Biggest British Empire Countries | 0 | - | 4.43 | 55,457 |
| Biggest Spanish Empire Countries | 0 | - | 4.79 | 80,794 |
| Soviet Union Country Quiz | 0 | - | 4.78 | 56,348 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,224 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 90,205 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,314 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,435 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,220 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,316 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,856 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 98,850 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 116,347 |
| Most-Visited Countries by Popes | 0 | - | 4.44 | 42,955 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.71 | 61,550 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.91 | 84,947 |
| 2017 News Stories - Name the Country | 0 | - | 4.48 | 23,964 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 61,888 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.82 | 61,402 |
| Countries by Emojis | 0 | - | 4.99 | 158,041 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 247,311 |
| Country by Photo of its Leader #1 | 0 | - | 4.73 | 80,545 |
| Countries of the World in 1900 | 0 | - | 4.87 | 52,223 |
| Random Flag to Country | 0 | - | 4.99 | 387,064 |
| Name a Valid Country #1 | 0 | - | 4.99 | 171,953 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.46 | 33,960 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 146,543 |
| Name a Valid Country #2 | 0 | - | 4.97 | 150,513 |
| Name a Valid Country #3 | 0 | - | 4.98 | 161,650 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,092,088 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,175 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 239,552 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 72,652 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 174,060 |
| Name a Valid European Country #1 | 0 | - | 4.98 | 158,684 |
