| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 34,122,443 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 735,407 |
| Country Shape Quiz #2 | 0 | - | 4.94 | 343,474 |
| Country Shape Quiz #3 | 0 | - | 4.94 | 245,939 |
| Country Shape Quiz #4 | 0 | - | 4.90 | 179,853 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,166,027 |
| Biggest Countries by Area | 0 | - | 4.99 | 827,662 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 163,693 |
| Countries with the Highest Obesity Rate | 0 | - | 4.37 | 147,800 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,651 |
| Spanish-Speaking Countries Quiz | 0 | - | 4.91 | 295,113 |
| Island Countries Quiz | 0 | - | 4.99 | 576,355 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 293,862 |
| Southernmost Countries of the World | 0 | - | 4.99 | 181,937 |
| Majority Muslim Countries | 0 | - | 4.96 | 281,305 |
| Countries with the Most Borders | 0 | - | 4.96 | 317,615 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 352,503 |
| Countries That Border Russia | 0 | - | 4.98 | 367,620 |
| Countries and Languages Quiz | 0 | - | 4.86 | 215,351 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 255,254 |
| Islands by Country #1 | 0 | - | 4.86 | 149,284 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 286,403 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 172,322 |
| Countries by Borders #1 | 0 | - | 5.00 | 154,153 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 205,053 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 306,338 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 300,739 |
| One Border Countries | 0 | - | 4.98 | 358,536 |
| NATO Countries Quiz | 0 | - | 4.97 | 201,620 |
| EU Countries Quiz | 0 | - | 4.99 | 206,763 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,465,013 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,249,476 |
| Countries that Start with A | 0 | - | 4.96 | 1,627,541 |
| Countries that Start with B | 0 | - | 4.94 | 1,765,068 |
| Countries that Start with C | 0 | - | 4.95 | 1,398,629 |
| Countries that Start with D | 0 | - | 4.96 | 462,873 |
| Countries that Start with E | 0 | - | 4.93 | 1,031,407 |
| Countries that Start with G | 0 | - | 4.95 | 1,128,720 |
| Countries that Start with H | 0 | - | 4.92 | 389,998 |
| Countries that Start with I | 0 | - | 4.90 | 975,613 |
| Countries that Start with J | 0 | - | 4.96 | 393,293 |
| Countries that Start with K | 0 | - | 4.95 | 571,139 |
| Countries that Start with L | 0 | - | 4.98 | 812,419 |
| Countries that Start with N | 0 | - | 4.90 | 833,701 |
| Countries that Start with P | 0 | - | 4.94 | 921,393 |
| Countries that Start with R | 0 | - | 4.41 | 299,391 |
| Countries that Start with S | 0 | - | 4.97 | 1,354,963 |
| Countries that Start with T | 0 | - | 4.89 | 758,130 |
| Countries that Start with U | 0 | - | 4.97 | 684,027 |
| Countries that Start with V | 0 | - | 4.97 | 455,696 |
| Countries that Start with F | 0 | - | 4.76 | 423,350 |
| Countries that Start with M | 0 | - | 4.95 | 1,059,241 |
| Countries that Border China | 0 | - | 4.97 | 211,873 |
| Countries with the Biggest Economies by GDP | 0 | - | 4.73 | 241,292 |
| Top Crude Oil Producing Countries | 0 | - | 4.84 | 145,029 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 164,828 |
| Countries by Alcohol Consumption | 0 | - | 4.36 | 178,733 |
| Countries in World War I | 0 | - | 4.92 | 182,644 |
| Countries with Four Letters | 0 | - | 4.99 | 320,841 |
| Countries of Africa | 0 | - | 5.00 | 1,731,422 |
| Countries of South America | 0 | - | 5.00 | 622,190 |
| Countries of North America Quiz | 0 | - | 5.00 | 705,460 |
| Countries of Oceania | 0 | - | 5.00 | 711,664 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 155,176 |
| Countries with the Most Exports | 0 | - | 4.96 | 111,836 |
| Countries with the Most Military Troops | 0 | - | 4.93 | 206,064 |
| Countries Bordering France | 0 | - | 4.90 | 308,847 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 199,302 |
| Countries Bordering Germany | 0 | - | 4.99 | 291,934 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 131,261 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 252,873 |
| Top Movie Producing Countries | 0 | - | 4.67 | 33,432 |
| Countries of the Soviet Union | 0 | - | 4.99 | 146,012 |
| Countries in their Native Language | 0 | - | 4.97 | 149,567 |
| Countries by Clue #1 | 0 | - | 4.89 | 195,696 |
| Countries with Five Letters Quiz | 0 | - | 4.92 | 192,193 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 157,749 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 126,496 |
| Independence from Whom | 0 | - | 4.99 | 152,793 |
| Countries with the Most Winter Olympics Medals | 0 | - | 4.51 | 144,834 |
| Countries with Z | 0 | - | 4.99 | 222,861 |
| "Land" Countries | 0 | - | 4.98 | 264,704 |
| Largest Economies in 2050 | 0 | - | 4.90 | 88,458 |
| European Countries by Clue | 0 | - | 4.94 | 154,326 |
| Countries with Letters Missing | 0 | - | 4.97 | 143,446 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.94 | 206,924 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,233 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 246,516 |
| Countries by Oil Consumption | 0 | - | 4.95 | 103,812 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,913 |
| Countries by Airline Passengers | 0 | - | 4.93 | 41,345 |
| Countries with the Most Forest | 0 | - | 4.89 | 125,662 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 83,828 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,302 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 69,498 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 88,919 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 156,243 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.86 | 95,186 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 3.87 | 47,138 |
| Countries that Catch the Most Fish | 0 | - | 4.85 | 90,134 |
| Most Expensive Countries | 0 | - | 4.05 | 104,663 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.51 | 31,600 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,435 |
| Biggest Countries by Area A-Z | 0 | - | 4.94 | 148,098 |
| Countries with the Shortest Total Borders | 0 | - | 4.92 | 72,825 |
| Countries With the Most Languages | 0 | - | 4.90 | 150,200 |
| Countries Closest to Canada | 0 | - | 4.93 | 156,367 |
| Countries Closest to Italy | 0 | - | 4.97 | 147,885 |
| Countries Closest to Spain | 0 | - | 4.96 | 170,181 |
| Countries Ending in "IA" | 0 | - | 4.99 | 150,105 |
| Countries with the Most Muslims | 0 | - | 4.92 | 118,911 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 81,342 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.82 | 65,331 |
| Countries Producing the Most Oranges | 0 | - | 4.52 | 24,767 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 342,167 |
| Countries with the Most Prisoners | 0 | - | 4.88 | 71,603 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 193,833 |
| Countries with the Most Domestic Camels | 0 | - | 4.89 | 34,323 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.94 | 4,322,189 |
| Countries That End in Y | 0 | - | 4.89 | 148,294 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.73 | 29,036 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 162,904 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 143,671 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 168,565 |
| Countries with the Most HIV | 0 | - | 4.42 | 39,377 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,462 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.94 | 150,359 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 172,859 |
| Countries with the Longest Perimeter | 0 | - | 4.84 | 64,991 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 143,539 |
| Five Poorest Countries by Continent | 0 | - | 4.96 | 143,577 |
| Tallest Countries North to South | 0 | - | 4.78 | 93,272 |
| Widest Countries East to West | 0 | - | 4.90 | 109,272 |
| Countries with the Most Billionaires per Capita | 0 | - | 4.79 | 65,319 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 75,906 |
| Countries by Net Migration | 0 | - | 4.57 | 57,999 |
| Countries with the Highest Average Elevation | 0 | - | 4.97 | 55,794 |
| Top 10 Solar Power Countries | 0 | - | 4.79 | 51,382 |
| Countries Whose Center is Closest to the Equator | 0 | - | 4.64 | 41,009 |
| Countries with the Most Murders | 0 | - | 4.51 | 101,511 |
| Countries with the Most Millionaires | 0 | - | 4.81 | 74,168 |
| Country Chain | 0 | - | 4.92 | 156,549 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.83 | 996,081 |
| Countries with the Least Precipitation | 0 | - | 4.86 | 62,149 |
| Countries with the Most Precipitation | 0 | - | 4.74 | 45,162 |
| Poorest Countries with Exceptions | 0 | - | 4.52 | 89,667 |
| World Map without 12 Countries | 0 | - | 4.96 | 278,390 |
| Countries with Glaciers | 0 | - | 4.97 | 72,595 |
| Every Country Shape | 0 | - | 4.99 | 312,956 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 2,875,168 |
| Five Biggest Economies by Continent | 0 | - | 4.97 | 144,141 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,356 |
| Countries with Megacities | 0 | - | 4.99 | 175,488 |
| Every European Country Shape | 0 | - | 4.94 | 152,357 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 165,064 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 169,982 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 168,054 |
| All Countries of the World by Area with Hints | 0 | - | 4.95 | 152,683 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,643,382 |
| Countries of the Middle East | 0 | - | 4.96 | 148,051 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.94 | 191,458 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 80,507 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 105,968 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.94 | 75,606 |
| One Country By Letter By Continent | 0 | - | 4.99 | 35,926 |
| Most Populous Countries by Year | 0 | - | 4.76 | 78,929 |
| Largest Countries with No Borders | 0 | - | 4.97 | 163,390 |
| Coldest Countries | 0 | - | 4.97 | 100,337 |
| Countries with the Highest Murder Rate | 0 | - | 4.43 | 53,625 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,241 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 143,564 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 85,523 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.56 | 45,551 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.85 | 124,919 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.47 | 42,013 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 64,316 |
| Countries with the Most Desert | 0 | - | 4.92 | 95,402 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 171,305 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 175,970 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.96 | 187,820 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.67 | 14,128 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.91 | 53,969 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 61,454 |
| Most Fragile Countries not in Africa | 0 | - | 4.41 | 36,169 |
| Tropical Rainforest Countries | 0 | - | 4.47 | 64,186 |
| Countries by Wealth per Capita | 0 | - | 4.54 | 52,801 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 159,688 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.94 | 74,328 |
| Countries by Milk Production | 0 | - | 4.49 | 17,923 |
| Northernmost Countries Without Glaciers | 0 | - | 4.72 | 16,467 |
| Countries with the Most Total Precipitation | 0 | - | 4.73 | 48,361 |
| Least-Forested Countries | 0 | - | 4.40 | 48,676 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.54 | 53,946 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 90,272 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.47 | 71,141 |
| Most Forested European Countries | 0 | - | 4.74 | 60,283 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,378 |
| Countries with the Most Mangroves | 0 | - | 4.47 | 29,384 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 116,402 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.71 | 61,610 |
