| Independence from Whom | 0 | - | 4.99 | 211,637 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,931 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,461 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,171 |
| Battle to Country | 0 | - | 4.91 | 53,305 |
| Majority Muslim Countries | 0 | - | 4.98 | 374,107 |
| NATO Countries | 0 | - | 4.98 | 280,170 |
| EU Countries Quiz | 0 | - | 4.99 | 273,880 |
| Recently Independent Countries | 0 | - | 4.98 | 159,193 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 288,181 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 272,918 |
| Top Five Countries by Religion | 0 | - | 4.93 | 171,291 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 148,381 |
| Countries with NO Military | 0 | - | 4.97 | 62,233 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,842 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,144 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 150,751 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,561 |
| Countries by Former Name | 0 | - | 4.99 | 125,087 |
| Historical City to Country | 0 | - | 4.84 | 78,518 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,432,809 |
| Landlocked Countries | 0 | - | 4.99 | 420,131 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,524 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,338 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,576 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,241 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,180 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,722 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,240 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,526 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,213 |
| Countries in World War I | 0 | - | 4.88 | 228,089 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,961 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,406 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,124 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,353 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,514 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,769 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,494 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,153 |
| Buddhist Countries | 0 | - | 4.96 | 144,293 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,123 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,699 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,497 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,765,369 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,714 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,530 |
| Himalayan Countries | 0 | - | 4.95 | 137,948 |
| Andean Countries | 0 | - | 4.95 | 84,193 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,411 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,085 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,054 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,503 |
| Danube Countries | 0 | - | 4.97 | 71,785 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,728 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,177 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,893 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,072 |
| European Landlocked Countries | 0 | - | 4.99 | 146,922 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,313 |
| Countries with the Most Species | 0 | - | 4.99 | 103,055 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,477 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,475 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,642 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,411 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,094 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,483 |
| Countries in the Alps | 0 | - | 4.87 | 117,911 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 98,432 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,631 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,521 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,413 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,256 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,811 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,428 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,302 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,054 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,672 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,550 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,396 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,027 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,324 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,330 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,463 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,145 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,660 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,365 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,744 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,995 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,567 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,074 |
| Largest Countries By Category | 0 | - | 4.97 | 157,861 |
| Orthodox Countries | 0 | - | 4.92 | 131,890 |
| Countries by Countries | 0 | - | 4.97 | 62,969 |
| Richest Island Countries | 0 | - | 4.84 | 100,498 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,827 |
| Monarchies of Europe | 0 | - | 4.90 | 98,116 |
| Monarchies of Asia | 0 | - | 4.97 | 71,076 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,009 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,990 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,140 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,415 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,772 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,197 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,468 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,872 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,336 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,355 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,659 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,390 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,417 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 271,319 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,260 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,513 |
| Countries that Start with A | 0 | - | 4.98 | 2,161,929 |
| Countries that Start with B | 0 | - | 4.95 | 2,293,670 |
| Countries that Start with C | 0 | - | 4.96 | 1,821,471 |
| Countries that Start with D | 0 | - | 4.96 | 709,201 |
| Countries that Start with E | 0 | - | 4.95 | 1,376,711 |
| Countries that Start with G | 0 | - | 4.97 | 1,502,800 |
| Countries that Start with H | 0 | - | 4.96 | 604,454 |
| Countries that Start with I | 0 | - | 4.92 | 1,287,763 |
| Countries that Start with J | 0 | - | 4.98 | 602,154 |
| Countries that Start with K | 0 | - | 4.97 | 815,487 |
| Countries that Start with L | 0 | - | 4.98 | 1,090,349 |
| Countries that Start with N | 0 | - | 4.93 | 1,117,335 |
| Countries that Start with P | 0 | - | 4.94 | 1,215,786 |
| Countries that Start with S | 0 | - | 4.98 | 1,754,334 |
| Countries that Start with T | 0 | - | 4.90 | 1,009,562 |
| Countries that Start with U | 0 | - | 4.97 | 904,275 |
| Countries that Start with V | 0 | - | 4.98 | 609,198 |
| Countries that Start with F | 0 | - | 4.83 | 617,362 |
| Countries that Start with M | 0 | - | 4.97 | 1,381,270 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,685 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,142 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,332 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,006 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,953 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,046 |
| Island Countries | 0 | - | 4.99 | 710,250 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,378,775 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,047,482 |
| Northernmost Countries | 0 | - | 4.99 | 361,075 |
| Countries of South America | 0 | - | 5.00 | 924,632 |
| Countries of Oceania | 0 | - | 5.00 | 1,053,503 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,870,762 |
| "Land" Countries | 0 | - | 4.98 | 336,112 |
| Countries by Independence Day | 0 | - | 4.61 | 52,733 |
| Former Countries by Capital | 0 | - | 4.45 | 127,461 |
| Former Countries | 0 | - | 4.75 | 133,764 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,959 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,148 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,068 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,885 |
| Communist Countries in History | 0 | - | 4.63 | 495,578 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,086 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,969 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,951 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,139 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,052 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,396 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,211 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,203 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,383 |
| Countries with Megacities | 0 | - | 4.99 | 263,031 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,217 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,190 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,515 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,231 |
| Countries by Official Language | 0 | - | 4.95 | 194,875 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,854 |
| Countries in their Native Language | 0 | - | 4.99 | 198,411 |
| Subdivisions by Country | 0 | - | 4.86 | 50,343 |
| Megadiverse Countries | 0 | - | 4.96 | 134,852 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,748 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,239 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,825 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,054 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,866 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,918 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,551 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,031 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,292 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,782 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,071 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,849 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,237 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,404 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,566 |
| World Map Quiz | 0 | - | 4.81 | 64,807 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,231 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,167 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,731 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,062 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,788 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,689 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,666 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,803 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,941 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,338 |