| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 33,985,918 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 733,120 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 342,702 |
| Country Shape Quiz #3 | 0 | - | 4.94 | 245,438 |
| Country Shape Quiz #4 | 0 | - | 4.90 | 179,452 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,163,081 |
| Biggest Countries by Area | 0 | - | 4.99 | 825,427 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 163,436 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,202 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.91 | 294,472 |
| Island Countries Quiz | 0 | - | 4.99 | 574,994 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 293,408 |
| Southernmost Countries of the World | 0 | - | 4.99 | 181,449 |
| Majority Muslim Countries | 0 | - | 4.96 | 280,712 |
| Countries with the Most Borders | 0 | - | 4.96 | 316,828 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 351,875 |
| Countries That Border Russia | 0 | - | 4.98 | 366,613 |
| Countries and Languages Quiz | 0 | - | 4.86 | 214,975 |
| Communist Countries in History | 0 | - | 4.47 | 381,593 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 254,674 |
| Islands by Country #1 | 0 | - | 4.86 | 148,764 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 285,820 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 172,026 |
| Countries by Borders #1 | 0 | - | 5.00 | 153,876 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 204,739 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 305,701 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 300,180 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,459 |
| Former Capitals Quiz | 0 | - | 4.74 | 54,368 |
| One Border Countries | 0 | - | 4.98 | 357,362 |
| Countries by Official Language | 0 | - | 4.93 | 141,709 |
| NATO Countries Quiz | 0 | - | 4.97 | 201,115 |
| EU Countries Quiz | 0 | - | 4.99 | 206,254 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,449,959 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,242,767 |
| Countries by Independence Day Quiz | 0 | - | 4.48 | 41,812 |
| Countries that Start with A | 0 | - | 4.96 | 1,621,548 |
| Countries that Start with B | 0 | - | 4.94 | 1,759,020 |
| Countries that Start with C | 0 | - | 4.95 | 1,393,801 |
| Countries that Start with D | 0 | - | 4.96 | 460,381 |
| Countries that Start with E | 0 | - | 4.93 | 1,027,544 |
| Countries that Start with G | 0 | - | 4.95 | 1,124,662 |
| Countries that Start with H | 0 | - | 4.92 | 387,848 |
| Countries that Start with I | 0 | - | 4.90 | 972,281 |
| Countries that Start with J | 0 | - | 4.96 | 391,152 |
| Countries that Start with K | 0 | - | 4.94 | 568,000 |
| Countries that Start with L | 0 | - | 4.98 | 809,398 |
| Countries that Start with N | 0 | - | 4.90 | 830,669 |
| Countries that Start with P | 0 | - | 4.94 | 917,899 |
| Countries that Start with R | 0 | - | 4.41 | 297,603 |
| Countries that Start with S | 0 | - | 4.97 | 1,350,255 |
| Countries that Start with T | 0 | - | 4.88 | 755,241 |
| Countries that Start with U | 0 | - | 4.97 | 681,439 |
| Countries that Start with V | 0 | - | 4.97 | 453,927 |
| Countries that Start with F | 0 | - | 4.74 | 421,062 |
| Countries that Start with M | 0 | - | 4.95 | 1,055,705 |
| Countries that Border China | 0 | - | 4.97 | 211,107 |
| Top Crude Oil Producing Countries | 0 | - | 4.83 | 144,760 |
| Countries in World War II | 0 | - | 4.47 | 676,753 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 164,423 |
| Countries in World War I | 0 | - | 4.92 | 182,040 |
| Countries with Four Letters | 0 | - | 4.99 | 320,034 |
| Countries of Africa | 0 | - | 5.00 | 1,722,136 |
| Countries of South America | 0 | - | 5.00 | 618,805 |
| Countries of North America Quiz | 0 | - | 5.00 | 701,729 |
| Countries of Oceania | 0 | - | 5.00 | 707,708 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 154,808 |
| Vietnam War Countries | 0 | - | 4.78 | 76,383 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 205,673 |
| Countries Bordering France | 0 | - | 4.90 | 308,049 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 198,873 |
| Countries Bordering Germany | 0 | - | 4.99 | 291,114 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 69,792 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 252,424 |
| Countries "Ruled" by King Charles III | 0 | - | 4.74 | 64,833 |
| Countries of the Soviet Union | 0 | - | 4.99 | 145,537 |
| Countries in their Native Language | 0 | - | 4.97 | 149,251 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 91,643 |
| Countries by Clue #1 | 0 | - | 4.89 | 195,266 |
| Countries with Five Letters Quiz | 0 | - | 4.92 | 191,806 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 157,419 |
| Independence from Whom | 0 | - | 4.99 | 152,434 |
| Countries with Z | 0 | - | 4.99 | 222,435 |
| Holy Roman Empire Countries | 0 | - | 4.57 | 37,338 |
| Political Movements by Country | 0 | - | 4.49 | 61,731 |
| "Land" Countries | 0 | - | 4.98 | 260,660 |
| European Countries by Clue | 0 | - | 4.95 | 154,044 |
| Countries with Letters Missing | 0 | - | 4.97 | 143,159 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.95 | 202,128 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 172,566 |
| Who Controlled These Colonies? | 0 | - | 4.73 | 100,026 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 245,839 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,587 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,364 |
| Inventions by Country #1 | 0 | - | 4.42 | 41,678 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,140 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 155,945 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 180,901 |
| Historical City to Country | 0 | - | 4.81 | 66,188 |
| Biggest Countries by Area A-Z | 0 | - | 4.94 | 147,769 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,402 |
| Countries in the Ottoman Empire | 0 | - | 4.92 | 50,466 |
| Countries With the Most Languages | 0 | - | 4.90 | 149,707 |
| Countries Closest to Canada | 0 | - | 4.92 | 156,023 |
| Countries Closest to Italy | 0 | - | 4.97 | 147,419 |
| Countries Closest to Spain | 0 | - | 4.96 | 169,685 |
| Countries Ending in "IA" | 0 | - | 4.99 | 149,575 |
| Countries Settled by Vikings | 0 | - | 4.92 | 91,525 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 341,244 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 193,380 |
| WWII Geography | 0 | - | 4.73 | 88,293 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,305,959 |
| Countries That End in Y | 0 | - | 4.89 | 147,928 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 128,560 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 162,493 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 143,255 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 168,096 |
| Former Countries | 0 | - | 4.56 | 100,126 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 223,943 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.94 | 149,765 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 172,401 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 143,135 |
| Five Poorest Countries by Continent | 0 | - | 4.96 | 143,235 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.91 | 58,931 |
| Guerrillas by Country | 0 | - | 4.42 | 34,752 |
| Country Chain | 0 | - | 4.92 | 156,172 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.83 | 993,249 |
| World Map without 12 Countries | 0 | - | 4.96 | 277,903 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 110,207 |
| Every Country Shape | 0 | - | 4.99 | 311,531 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,863,816 |
| Five Biggest Economies by Continent | 0 | - | 4.97 | 143,765 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 216,752 |
| Countries with Megacities | 0 | - | 4.99 | 158,103 |
| Every European Country Shape | 0 | - | 4.94 | 151,806 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 164,637 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 169,233 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 167,179 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 142,207 |
| All Countries of the World by Area with Hints | 0 | - | 4.95 | 151,865 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,634,062 |
| Countries of the Middle East | 0 | - | 4.96 | 147,448 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.94 | 190,624 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 65,553 |
| One Country By Letter By Continent | 0 | - | 4.99 | 34,990 |
| Most Populous Countries by Year | 0 | - | 4.77 | 78,620 |
| Largest Countries with No Borders | 0 | - | 4.97 | 162,995 |
| Countries of Europe After World War II | 0 | - | 4.97 | 142,644 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 111,484 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 143,148 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 170,759 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 175,298 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.96 | 186,815 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 44,692 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 159,143 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 73,603 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,242 |
| Countries of Asia in 1900 | 0 | - | 4.43 | 47,744 |
| Biggest British Empire Countries | 0 | - | 4.43 | 55,356 |
| Biggest Spanish Empire Countries | 0 | - | 4.79 | 80,580 |
| Soviet Union Country Quiz | 0 | - | 4.78 | 56,178 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.97 | 141,849 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 89,937 |
| Countries Most Affected by the 2004 Tsunami | 0 | - | 3.95 | 18,123 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,033 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,277 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,079 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,181 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,732 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 97,900 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 115,950 |
| Most-Visited Countries by Popes | 0 | - | 4.44 | 42,732 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.71 | 61,258 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.91 | 84,599 |
| 2017 News Stories - Name the Country | 0 | - | 4.47 | 23,889 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 61,633 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.82 | 61,141 |
| Countries by Emojis | 0 | - | 4.99 | 157,413 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 246,455 |
| Country by Photo of its Leader #1 | 0 | - | 4.73 | 80,332 |
| Roman Provinces on a Map | 0 | - | 4.72 | 25,504 |
| Countries of the World in 1900 | 0 | - | 4.87 | 51,957 |
| Random Flag to Country | 0 | - | 4.99 | 385,540 |
| Name a Valid Country #1 | 0 | - | 4.99 | 171,440 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.46 | 33,878 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 146,123 |
| Name a Valid Country #2 | 0 | - | 4.97 | 150,117 |
| Name a Valid Country #3 | 0 | - | 4.98 | 161,242 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,088,656 |
| Countries of the German Empire | 0 | - | 4.36 | 26,484 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,070 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 238,814 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 72,322 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 173,199 |
| Name a Valid European Country #1 | 0 | - | 4.98 | 158,221 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 92,369 |
| Category Elimination - Countries #3 | 0 | - | 4.98 | 166,222 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 104,790 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 73,804 |
| Battle to Country | 0 | - | 4.89 | 30,436 |
