| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,835 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,657 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 118,090 |
| Independence from Whom | 0 | - | 4.99 | 210,274 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,150 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,153 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,415 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,411 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,597 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,330 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,322 |
| Recently Independent Countries | 0 | - | 4.98 | 158,258 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,956 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,849 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 149,560 |
| Countries by Former Name | 0 | - | 4.99 | 124,576 |
| Historical City to Country | 0 | - | 4.84 | 78,261 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,147 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,648 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,577 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,468 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,834 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,725 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,969 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,456 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,088,796 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,030 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,336 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,108 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,075 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 79,789 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,809 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,992 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,599 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,829 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,775 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,333 |
| Battle to Country | 0 | - | 4.91 | 52,759 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,082 |
| Landlocked Countries | 0 | - | 4.99 | 415,718 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,308 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,583 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,080 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,349 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,733,823 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,131 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,140 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,999 |
| Island Countries | 0 | - | 4.99 | 708,481 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,459 |
| Himalayan Countries | 0 | - | 4.95 | 136,108 |
| Andean Countries | 0 | - | 4.95 | 83,236 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,553 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,726 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,243 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,881 |
| Danube Countries | 0 | - | 4.97 | 71,299 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,057 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,749 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,952 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,896 |
| European Landlocked Countries | 0 | - | 4.99 | 146,007 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,596 |
| Countries with the Most Species | 0 | - | 4.99 | 95,371 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,725 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,282 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,452 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,983 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,089 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,740 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,112 |
| Countries in the Alps | 0 | - | 4.86 | 117,176 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,802 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,675 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,180 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,625 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,429 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,175 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,111 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,856 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,922 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,723 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,252 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,294 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,160 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,649 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,912 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,922 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,545 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,823 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,364 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,095 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,474 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,314 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,755 |
| Largest Countries By Category | 0 | - | 4.97 | 157,102 |
| Countries by Countries | 0 | - | 4.96 | 62,480 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,368,085 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,399 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,741 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,044 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,279 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,720 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,997 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 85,919 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,231 |
| Northernmost Countries | 0 | - | 4.99 | 358,909 |
| Countries of South America | 0 | - | 5.00 | 918,392 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,025 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,855,640 |
| "Land" Countries | 0 | - | 4.98 | 334,192 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 81,072 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,886 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,404 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,438,530 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,518 |
| Countries by Independence Day | 0 | - | 4.61 | 52,655 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,727 |
| Former Countries by Capital | 0 | - | 4.45 | 127,200 |
| Countries in World War I | 0 | - | 4.88 | 227,074 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,911 |
| Former Countries | 0 | - | 4.75 | 132,897 |
| Hindu Countries | 0 | - | 4.86 | 49,757 |
| Country by Photo of its Leader | 0 | - | 4.74 | 123,525 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,046 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 59,962 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,554 |
| Political Movements by Country | 0 | - | 4.46 | 72,353 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,143 |
| Top 10 Richest Countries in Asia | 0 | - | 4.73 | 105,122 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,770 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,809,770 |
| One Border Countries | 0 | - | 4.98 | 465,941 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,885 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,599,178 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,014 |
| Countries with Megacities | 0 | - | 4.99 | 248,434 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,903 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,412 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,292 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,350 |
| Majority Muslim Countries | 0 | - | 4.98 | 371,180 |
| Countries by Official Language | 0 | - | 4.95 | 193,455 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,978 |
| Countries in their Native Language | 0 | - | 4.99 | 197,211 |
| Subdivisions by Country | 0 | - | 4.86 | 50,160 |
| National Founders | 0 | - | 4.40 | 83,708 |
| Megadiverse Countries | 0 | - | 4.96 | 134,486 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,092,629 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,387 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,037 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,640 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,570 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,924 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,929 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,477 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,320 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,791 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,010 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,538 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,643 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,611 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,815 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,140 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,247 |
| World Map Quiz | 0 | - | 4.81 | 63,889 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,895 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,630 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,873 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,572 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,291 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,457 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,161 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,361 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,548 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,102 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,567 |
| Widest Countries East to West | 0 | - | 4.92 | 129,066 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,299 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,545 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,667 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,895 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,882 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,269 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 76,883 |
| Countries with the Most Borders | 0 | - | 4.97 | 386,759 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,652 |
| Countries of Africa | 0 | - | 5.00 | 2,517,040 |
| Countries with Double Letters | 0 | - | 4.96 | 93,764 |
| Countries that End in N | 0 | - | 4.94 | 157,199 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,131 |
| Countries with Six Letters | 0 | - | 4.93 | 210,791 |
| Countries with W | 0 | - | 4.97 | 158,470 |
| Countries with Z | 0 | - | 4.98 | 288,340 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,823 |
| Countries That End in U | 0 | - | 4.95 | 119,641 |
| Countries with Four Letters | 0 | - | 4.99 | 419,799 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,951 |
| Countries that End in O | 0 | - | 4.92 | 158,678 |
| Countries that End in R | 0 | - | 4.87 | 118,396 |
