| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 34,105,285 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 735,115 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 343,364 |
| Country Shape Quiz #3 | 0 | - | 4.94 | 245,867 |
| Country Shape Quiz #4 | 0 | - | 4.90 | 179,803 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,165,657 |
| Biggest Countries by Area | 0 | - | 4.99 | 827,406 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 163,667 |
| Countries with the Highest Obesity Rate | 0 | - | 4.37 | 147,773 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,602 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.91 | 295,031 |
| Island Countries Quiz | 0 | - | 4.99 | 576,196 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 293,807 |
| Southernmost Countries of the World | 0 | - | 4.99 | 181,905 |
| Majority Muslim Countries | 0 | - | 4.96 | 281,228 |
| Countries with the Most Borders | 0 | - | 4.96 | 317,522 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 352,427 |
| Countries That Border Russia | 0 | - | 4.98 | 367,511 |
| Countries and Languages Quiz | 0 | - | 4.86 | 215,307 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 255,175 |
| Islands by Country #1 | 0 | - | 4.86 | 149,246 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 286,324 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 172,281 |
| Countries by Borders #1 | 0 | - | 5.00 | 154,118 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 205,008 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 306,265 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 300,667 |
| One Border Countries | 0 | - | 4.98 | 358,395 |
| NATO Countries Quiz | 0 | - | 4.97 | 201,553 |
| EU Countries Quiz | 0 | - | 4.99 | 206,724 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,463,065 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,248,628 |
| Countries that Start with A | 0 | - | 4.96 | 1,626,815 |
| Countries that Start with B | 0 | - | 4.94 | 1,764,348 |
| Countries that Start with C | 0 | - | 4.95 | 1,398,035 |
| Countries that Start with D | 0 | - | 4.96 | 462,565 |
| Countries that Start with E | 0 | - | 4.93 | 1,030,951 |
| Countries that Start with G | 0 | - | 4.95 | 1,128,246 |
| Countries that Start with H | 0 | - | 4.92 | 389,731 |
| Countries that Start with I | 0 | - | 4.90 | 975,212 |
| Countries that Start with J | 0 | - | 4.96 | 393,009 |
| Countries that Start with K | 0 | - | 4.95 | 570,805 |
| Countries that Start with L | 0 | - | 4.98 | 812,030 |
| Countries that Start with N | 0 | - | 4.90 | 833,301 |
| Countries that Start with P | 0 | - | 4.94 | 920,950 |
| Countries that Start with R | 0 | - | 4.41 | 299,153 |
| Countries that Start with S | 0 | - | 4.97 | 1,354,371 |
| Countries that Start with T | 0 | - | 4.89 | 757,738 |
| Countries that Start with U | 0 | - | 4.97 | 683,676 |
| Countries that Start with V | 0 | - | 4.97 | 455,468 |
| Countries that Start with F | 0 | - | 4.76 | 423,058 |
| Countries that Start with M | 0 | - | 4.95 | 1,058,797 |
| Countries that Border China | 0 | - | 4.97 | 211,823 |
| Countries with the Biggest Economies by GDP | 0 | - | 4.73 | 239,664 |
| Top Crude Oil Producing Countries | 0 | - | 4.84 | 144,991 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 164,783 |
| Countries by Alcohol Consumption | 0 | - | 4.36 | 178,676 |
| Countries in World War I | 0 | - | 4.92 | 182,561 |
| Countries with Four Letters | 0 | - | 4.99 | 320,759 |
| Countries of Africa | 0 | - | 5.00 | 1,730,128 |
| Countries of South America | 0 | - | 5.00 | 621,703 |
| Countries of North America Quiz | 0 | - | 5.00 | 704,958 |
| Countries of Oceania | 0 | - | 5.00 | 711,154 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 155,125 |
| Countries with the Most Exports | 0 | - | 4.96 | 111,813 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 206,009 |
| Countries Bordering France | 0 | - | 4.90 | 308,752 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 199,249 |
| Countries Bordering Germany | 0 | - | 4.99 | 291,826 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 131,233 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 252,815 |
| Top Movie Producing Countries | 0 | - | 4.67 | 33,410 |
| Countries of the Soviet Union | 0 | - | 4.99 | 145,950 |
| Countries in their Native Language | 0 | - | 4.97 | 149,528 |
| Countries by Clue #1 | 0 | - | 4.89 | 195,652 |
| Countries with Five Letters Quiz | 0 | - | 4.92 | 192,152 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 157,707 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 126,460 |
| Independence from Whom | 0 | - | 4.99 | 152,744 |
| Countries with the Most Winter Olympics Medals | 0 | - | 4.51 | 144,795 |
| Countries with Z | 0 | - | 4.99 | 222,827 |
| "Land" Countries | 0 | - | 4.98 | 264,560 |
| Largest Economies in 2050 | 0 | - | 4.90 | 88,415 |
| European Countries by Clue | 0 | - | 4.94 | 154,279 |
| Countries with Letters Missing | 0 | - | 4.97 | 143,411 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.94 | 206,631 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,190 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 246,422 |
| Countries by Oil Consumption | 0 | - | 4.95 | 103,796 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,869 |
| Countries by Airline Passengers | 0 | - | 4.93 | 41,323 |
| Countries with the Most Forest | 0 | - | 4.89 | 125,637 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 83,817 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,280 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 69,463 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 88,894 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 156,203 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.86 | 93,629 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 3.87 | 47,133 |
| Countries that Catch the Most Fish | 0 | - | 4.85 | 90,106 |
| Most Expensive Countries | 0 | - | 4.05 | 104,655 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.51 | 31,584 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,346 |
| Biggest Countries by Area A-Z | 0 | - | 4.94 | 148,061 |
| Countries with the Shortest Total Borders | 0 | - | 4.92 | 72,796 |
| Countries With the Most Languages | 0 | - | 4.90 | 150,139 |
| Countries Closest to Canada | 0 | - | 4.93 | 156,319 |
| Countries Closest to Italy | 0 | - | 4.97 | 147,839 |
| Countries Closest to Spain | 0 | - | 4.96 | 170,119 |
| Countries Ending in "IA" | 0 | - | 4.99 | 150,049 |
| Countries with the Most Muslims | 0 | - | 4.92 | 118,884 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 81,321 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.82 | 65,314 |
| Countries Producing the Most Oranges | 0 | - | 4.52 | 24,752 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 342,024 |
| Countries with the Most Prisoners | 0 | - | 4.88 | 71,571 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 193,773 |
| Countries with the Most Domestic Camels | 0 | - | 4.89 | 34,302 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,320,219 |
| Countries That End in Y | 0 | - | 4.89 | 148,263 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.73 | 29,029 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 162,849 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 143,617 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 168,511 |
| Countries with the Most HIV | 0 | - | 4.42 | 39,370 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,398 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.94 | 150,324 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 172,808 |
| Countries with the Longest Perimeter | 0 | - | 4.84 | 64,969 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 143,501 |
| Five Poorest Countries by Continent | 0 | - | 4.96 | 143,528 |
| Tallest Countries North to South | 0 | - | 4.78 | 93,247 |
| Widest Countries East to West | 0 | - | 4.90 | 109,249 |
| Countries with the Most Billionaires per Capita | 0 | - | 4.79 | 65,300 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 75,891 |
| Countries by Net Migration | 0 | - | 4.57 | 57,953 |
| Countries with the Highest Average Elevation | 0 | - | 4.97 | 55,773 |
| Top 10 Solar Power Countries | 0 | - | 4.79 | 51,368 |
| Countries Whose Center is Closest to the Equator | 0 | - | 4.64 | 41,000 |
| Countries with the Most Murders | 0 | - | 4.51 | 101,490 |
| Countries with the Most Millionaires | 0 | - | 4.81 | 74,128 |
| Country Chain | 0 | - | 4.92 | 156,497 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.83 | 995,721 |
| Countries with the Least Precipitation | 0 | - | 4.86 | 62,120 |
| Countries with the Most Precipitation | 0 | - | 4.74 | 45,136 |
| Poorest Countries with Exceptions | 0 | - | 4.52 | 89,647 |
| World Map without 12 Countries | 0 | - | 4.96 | 278,324 |
| Countries with Glaciers | 0 | - | 4.97 | 72,571 |
| Every Country Shape | 0 | - | 4.99 | 312,758 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,873,911 |
| Five Biggest Economies by Continent | 0 | - | 4.97 | 144,081 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,270 |
| Countries with Megacities | 0 | - | 4.99 | 175,229 |
| Every European Country Shape | 0 | - | 4.94 | 152,298 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 165,020 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 169,903 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 167,981 |
| All Countries of the World by Area with Hints | 0 | - | 4.95 | 152,543 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,642,192 |
| Countries of the Middle East | 0 | - | 4.96 | 147,972 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.94 | 191,349 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 80,490 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 105,912 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.94 | 75,572 |
| One Country By Letter By Continent | 0 | - | 4.99 | 35,815 |
| Most Populous Countries by Year | 0 | - | 4.76 | 78,893 |
| Largest Countries with No Borders | 0 | - | 4.97 | 163,336 |
| Coldest Countries | 0 | - | 4.97 | 99,877 |
| Countries with the Highest Murder Rate | 0 | - | 4.43 | 53,607 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,155 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 143,519 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 85,485 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.56 | 45,538 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.85 | 124,882 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.47 | 42,003 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 64,285 |
| Countries with the Most Desert | 0 | - | 4.92 | 95,367 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 171,236 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 175,907 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.96 | 187,688 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.67 | 14,114 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.91 | 53,934 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 61,427 |
| Most Fragile Countries not in Africa | 0 | - | 4.41 | 36,157 |
| Tropical Rainforest Countries | 0 | - | 4.47 | 64,171 |
| Countries by Wealth per Capita | 0 | - | 4.54 | 52,788 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 159,619 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.94 | 74,304 |
| Countries by Milk Production | 0 | - | 4.49 | 17,904 |
| Northernmost Countries Without Glaciers | 0 | - | 4.72 | 16,460 |
| Countries with the Most Total Precipitation | 0 | - | 4.73 | 48,335 |
| Least-Forested Countries | 0 | - | 4.40 | 48,668 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.54 | 53,925 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 90,218 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.47 | 71,114 |
| Most Forested European Countries | 0 | - | 4.74 | 60,265 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,320 |
| Countries with the Most Mangroves | 0 | - | 4.47 | 29,372 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 116,352 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.71 | 61,560 |
