| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 38,322,514 |
| Country Shape Quiz #1 | 0 | - | 4.88 | 802,006 |
| Country Shape Quiz #2 | 0 | - | 4.93 | 365,941 |
| Country Shape Quiz #3 | 0 | - | 4.91 | 259,148 |
| Country Shape Quiz #4 | 0 | - | 4.91 | 190,559 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,252,782 |
| Biggest Countries by Area | 0 | - | 4.99 | 892,481 |
| Countries with the Highest Life Expectancy | 0 | - | 4.87 | 189,025 |
| Countries with the Highest Obesity Rate | 0 | - | 4.39 | 170,069 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 158,459 |
| Spanish-Speaking Countries | 0 | - | 4.87 | 329,581 |
| Island Countries Quiz | 0 | - | 4.99 | 619,437 |
| Northernmost Countries | 0 | - | 4.98 | 318,907 |
| Southernmost Countries of the World | 0 | - | 4.99 | 190,992 |
| Majority Muslim Countries | 0 | - | 4.97 | 304,079 |
| Countries with the Most Borders | 0 | - | 4.97 | 339,462 |
| Countries with the Longest Coastlines | 0 | - | 4.82 | 381,164 |
| Countries That Border Russia | 0 | - | 4.97 | 411,301 |
| Countries and Languages Quiz | 0 | - | 4.86 | 228,853 |
| Countries with the Most Billionaires | 0 | - | 4.94 | 271,020 |
| Islands by Country #1 | 0 | - | 4.84 | 158,965 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 306,433 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 180,352 |
| Countries by Borders #1 | 0 | - | 4.99 | 171,792 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 216,086 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 325,850 |
| Countries with the Most Tourists Quiz | 0 | - | 4.93 | 339,190 |
| One Border Countries | 0 | - | 4.97 | 393,653 |
| NATO Countries Quiz | 0 | - | 4.98 | 215,728 |
| EU Countries Quiz | 0 | - | 4.99 | 219,375 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,905,530 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,448,185 |
| Countries that Start with A | 0 | - | 4.96 | 1,841,999 |
| Countries that Start with B | 0 | - | 4.93 | 1,981,003 |
| Countries that Start with C | 0 | - | 4.94 | 1,565,618 |
| Countries that Start with D | 0 | - | 4.95 | 550,972 |
| Countries that Start with E | 0 | - | 4.92 | 1,166,596 |
| Countries that Start with G | 0 | - | 4.95 | 1,281,640 |
| Countries that Start with H | 0 | - | 4.91 | 469,731 |
| Countries that Start with I | 0 | - | 4.90 | 1,103,336 |
| Countries that Start with J | 0 | - | 4.97 | 473,734 |
| Countries that Start with K | 0 | - | 4.94 | 668,827 |
| Countries that Start with L | 0 | - | 4.98 | 920,761 |
| Countries that Start with N | 0 | - | 4.89 | 946,340 |
| Countries that Start with P | 0 | - | 4.89 | 1,045,295 |
| Countries that Start with R | 0 | - | 4.38 | 361,231 |
| Countries that Start with S | 0 | - | 4.97 | 1,527,077 |
| Countries that Start with T | 0 | - | 4.84 | 845,099 |
| Countries that Start with U | 0 | - | 4.96 | 757,936 |
| Countries that Start with V | 0 | - | 4.97 | 506,896 |
| Countries that Start with F | 0 | - | 4.70 | 504,730 |
| Countries that Start with M | 0 | - | 4.93 | 1,193,153 |
| Countries that Border China | 0 | - | 4.96 | 225,542 |
| Countries with the Biggest Economies by GDP | 0 | - | 4.61 | 262,915 |
| Top Crude Oil Producing Countries | 0 | - | 4.80 | 151,996 |
| Countries that Produce the Most Wine | 0 | - | 4.86 | 174,091 |
| Countries by Alcohol Consumption | 0 | - | 4.40 | 187,825 |
| Countries in World War I | 0 | - | 4.91 | 201,236 |
| Countries with Four Letters | 0 | - | 4.99 | 368,754 |
| Countries of Africa | 0 | - | 5.00 | 2,012,651 |
| Countries of South America | 0 | - | 5.00 | 736,561 |
| Countries of North America Quiz | 0 | - | 5.00 | 818,676 |
| Countries of Oceania | 0 | - | 5.00 | 825,868 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 183,023 |
| Countries with the Most Exports | 0 | - | 4.97 | 118,770 |
| Countries with the Most Military Troops | 0 | - | 4.94 | 217,890 |
| Countries Bordering France | 0 | - | 4.82 | 345,412 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 211,457 |
| Countries Bordering Germany | 0 | - | 4.99 | 329,780 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 139,038 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 281,259 |
| Countries of the Soviet Union | 0 | - | 4.99 | 177,092 |
| Countries in their Native Language | 0 | - | 4.96 | 158,572 |
| Countries by Clue #1 | 0 | - | 4.86 | 210,151 |
| Countries with Five Letters Quiz | 0 | - | 4.95 | 221,295 |
| Countries with Six Letters Quiz | 0 | - | 4.92 | 168,410 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 135,194 |
| Independence from Whom | 0 | - | 4.99 | 176,420 |
| Countries with the Most Winter Olympics Medals | 0 | - | 4.43 | 152,693 |
| Countries with Z | 0 | - | 4.98 | 236,195 |
| "Land" Countries | 0 | - | 4.98 | 281,330 |
| Largest Economies in 2050 | 0 | - | 4.90 | 95,850 |
| European Countries by Clue | 0 | - | 4.94 | 164,886 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 231,101 |
| Most Populous Countries in 2050 | 0 | - | 4.93 | 184,124 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 275,270 |
| Countries by Oil Consumption | 0 | - | 4.96 | 109,051 |
| Most Populous Countries in 1900 | 0 | - | 4.89 | 156,896 |
| Countries by Airline Passengers | 0 | - | 4.94 | 47,417 |
| Countries with the Most Forest | 0 | - | 4.88 | 132,273 |
| Countries by Inland Surface Water | 0 | - | 4.95 | 87,724 |
| Most Populous Countries in 1950 | 0 | - | 4.44 | 68,432 |
| Top Olive Oil Producing Countries | 0 | - | 4.92 | 73,632 |
| Top 10 Diamond Producing Countries | 0 | - | 4.42 | 31,053 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 93,809 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 165,954 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.89 | 103,440 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 159,023 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 3.91 | 47,800 |
| Countries that Catch the Most Fish | 0 | - | 4.88 | 96,926 |
| Most Expensive Countries | 0 | - | 4.03 | 107,664 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.61 | 34,347 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 198,597 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 170,234 |
| Countries with the Shortest Total Borders | 0 | - | 4.92 | 78,494 |
| Countries With the Most Languages | 0 | - | 4.89 | 164,608 |
| Countries Closest to Canada | 0 | - | 4.88 | 173,975 |
| Countries Closest to Italy | 0 | - | 4.98 | 171,267 |
| Countries Closest to Spain | 0 | - | 4.96 | 185,939 |
| Countries Ending in "IA" | 0 | - | 4.99 | 164,043 |
| Countries with the Most Muslims | 0 | - | 4.90 | 126,792 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.94 | 85,121 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.80 | 68,806 |
| Countries Producing the Most Oranges | 0 | - | 4.68 | 29,811 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 371,863 |
| Countries with the Most Prisoners | 0 | - | 4.91 | 82,120 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 207,720 |
| Countries with the Most Domestic Camels | 0 | - | 4.88 | 37,382 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.93 | 4,803,321 |
| Countries That End in Y | 0 | - | 4.89 | 158,604 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 31,059 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 174,127 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 155,135 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 182,000 |
| Countries with the Most HIV | 0 | - | 4.48 | 41,969 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 237,776 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.92 | 170,076 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 186,565 |
| Countries with the Longest Perimeter | 0 | - | 4.79 | 69,317 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 153,785 |
| Tallest Countries North to South | 0 | - | 4.78 | 107,327 |
| Widest Countries East to West | 0 | - | 4.90 | 115,706 |
| Countries with the Most Billionaires per Capita | 0 | - | 4.85 | 69,251 |
| Countries with the Most Nobel Prizes | 0 | - | 4.85 | 80,598 |
| Countries by Net Migration | 0 | - | 4.51 | 61,836 |
| Countries with the Highest Average Elevation | 0 | - | 4.97 | 59,316 |
| Top 10 Solar Power Countries | 0 | - | 4.80 | 55,179 |
| Countries Whose Center is Closest to the Equator | 0 | - | 4.61 | 50,849 |
| Countries with the Most Murders | 0 | - | 4.47 | 107,003 |
| Countries with the Most Millionaires | 0 | - | 4.78 | 79,156 |
| Country Chain | 0 | - | 4.91 | 170,645 |
| Countries Bordering "U" Countries | 0 | - | 4.75 | 17,908 |
| Countries with the Least Precipitation | 0 | - | 4.88 | 66,027 |
| Countries with the Most Precipitation | 0 | - | 4.74 | 48,177 |
| Poorest Countries with Exceptions | 0 | - | 4.48 | 94,313 |
| World Map without 12 Countries | 0 | - | 4.96 | 293,290 |
| Countries with Glaciers | 0 | - | 4.97 | 77,567 |
| Every Country Shape | 0 | - | 5.00 | 357,688 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,202,429 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 236,183 |
| Countries with Megacities | 0 | - | 4.99 | 188,035 |
| Every European Country Shape | 0 | - | 4.94 | 164,703 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 190,651 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 190,413 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 195,251 |
| All Countries of the World by Area with Hints | 0 | - | 4.95 | 180,448 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,915,981 |
| Countries of the Middle East | 0 | - | 4.94 | 164,358 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.89 | 244,914 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 90,554 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 113,821 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.94 | 82,112 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.96 | 169,442 |
| One Country By Letter By Continent | 0 | - | 4.99 | 60,949 |
| Most Populous Countries by Year | 0 | - | 4.76 | 87,709 |
| Largest Countries with No Borders | 0 | - | 4.97 | 174,945 |
| Coldest Countries | 0 | - | 4.98 | 119,351 |
| Countries with the Highest Murder Rate | 0 | - | 4.63 | 70,866 |
| Countries of Europe After World War II | 0 | - | 4.98 | 161,482 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 158,053 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 92,351 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.68 | 56,119 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.87 | 130,766 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.49 | 44,017 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.94 | 69,520 |
| Countries with the Most Desert | 0 | - | 4.91 | 101,693 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 204,874 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 162,162 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 199,358 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 216,269 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.82 | 16,304 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.88 | 58,343 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 65,442 |
| Most Fragile Countries not in Africa | 0 | - | 4.42 | 55,718 |
| Tropical Rainforest Countries | 0 | - | 4.47 | 67,177 |
| Countries by Wealth per Capita | 0 | - | 4.50 | 55,618 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.89 | 46,820 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 176,604 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.96 | 97,616 |
| Countries by Milk Production | 0 | - | 4.54 | 20,727 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 25,492 |
| Countries with the Most Total Precipitation | 0 | - | 4.80 | 60,492 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.97 | 169,871 |
| Countries with the Most Malaria Deaths | 0 | - | 4.39 | 31,062 |
| Least-Forested Countries | 0 | - | 4.47 | 58,775 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.61 | 57,374 |
| Flags of the Countries that Start with A | 0 | - | 4.95 | 101,745 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.46 | 74,941 |
| Most Forested European Countries | 0 | - | 4.79 | 65,166 |
| Flags of the Countries that Start with C | 0 | - | 4.91 | 112,569 |
