| Independence from Whom | 0 | - | 4.99 | 211,609 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,909 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,454 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,145 |
| Battle to Country | 0 | - | 4.91 | 53,289 |
| Majority Muslim Countries | 0 | - | 4.98 | 374,016 |
| NATO Countries | 0 | - | 4.98 | 280,071 |
| EU Countries Quiz | 0 | - | 4.99 | 273,715 |
| Recently Independent Countries | 0 | - | 4.98 | 159,181 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 288,110 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 272,830 |
| Top Five Countries by Religion | 0 | - | 4.93 | 171,236 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,343 |
| Countries with NO Military | 0 | - | 4.97 | 62,194 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,820 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,114 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 150,721 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,546 |
| Countries by Former Name | 0 | - | 4.99 | 125,077 |
| Historical City to Country | 0 | - | 4.84 | 78,508 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,423,245 |
| Landlocked Countries | 0 | - | 4.99 | 420,017 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,472 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,286 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,561 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,224 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,168 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,704 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,230 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,521 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,200 |
| Countries in World War I | 0 | - | 4.88 | 228,071 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,940 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,395 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,097 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,340 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,500 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,757 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,492 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,128 |
| Buddhist Countries | 0 | - | 4.96 | 144,272 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,093 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,680 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,470 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,764,436 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,702 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,475 |
| Himalayan Countries | 0 | - | 4.95 | 137,898 |
| Andean Countries | 0 | - | 4.95 | 84,163 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,375 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,952 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,029 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,479 |
| Danube Countries | 0 | - | 4.97 | 71,771 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,712 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,169 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,861 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,944 |
| European Landlocked Countries | 0 | - | 4.99 | 146,906 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,295 |
| Countries with the Most Species | 0 | - | 4.99 | 103,041 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,445 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,469 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,638 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,402 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,081 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,470 |
| Countries in the Alps | 0 | - | 4.87 | 117,884 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 97,292 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,609 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,507 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,392 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,243 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,801 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,406 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,286 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,044 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,655 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,546 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,389 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,018 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,308 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,313 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,443 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,140 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,644 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,334 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,712 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,938 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,529 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,068 |
| Largest Countries By Category | 0 | - | 4.97 | 157,845 |
| Orthodox Countries | 0 | - | 4.92 | 131,822 |
| Countries by Countries | 0 | - | 4.97 | 62,957 |
| Richest Island Countries | 0 | - | 4.84 | 100,476 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,812 |
| Monarchies of Europe | 0 | - | 4.90 | 98,099 |
| Monarchies of Asia | 0 | - | 4.97 | 71,070 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,973 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,940 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,108 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,386 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,749 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,191 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,451 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,862 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,318 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,334 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,630 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,381 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,401 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 271,236 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,244 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,499 |
| Countries that Start with A | 0 | - | 4.98 | 2,161,637 |
| Countries that Start with B | 0 | - | 4.95 | 2,293,369 |
| Countries that Start with C | 0 | - | 4.96 | 1,821,236 |
| Countries that Start with D | 0 | - | 4.96 | 709,052 |
| Countries that Start with E | 0 | - | 4.95 | 1,376,540 |
| Countries that Start with G | 0 | - | 4.97 | 1,502,596 |
| Countries that Start with H | 0 | - | 4.96 | 604,330 |
| Countries that Start with I | 0 | - | 4.92 | 1,287,529 |
| Countries that Start with J | 0 | - | 4.98 | 602,050 |
| Countries that Start with K | 0 | - | 4.97 | 815,367 |
| Countries that Start with L | 0 | - | 4.98 | 1,090,210 |
| Countries that Start with N | 0 | - | 4.93 | 1,117,202 |
| Countries that Start with P | 0 | - | 4.94 | 1,215,649 |
| Countries that Start with S | 0 | - | 4.98 | 1,754,140 |
| Countries that Start with T | 0 | - | 4.90 | 1,009,451 |
| Countries that Start with U | 0 | - | 4.97 | 904,188 |
| Countries that Start with V | 0 | - | 4.98 | 609,131 |
| Countries that Start with F | 0 | - | 4.83 | 617,271 |
| Countries that Start with M | 0 | - | 4.97 | 1,381,097 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,660 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,121 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,309 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,929 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,915 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,957 |
| Island Countries | 0 | - | 4.99 | 710,205 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,378,425 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,047,324 |
| Northernmost Countries | 0 | - | 4.99 | 361,018 |
| Countries of South America | 0 | - | 5.00 | 924,449 |
| Countries of Oceania | 0 | - | 5.00 | 1,053,300 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,870,373 |
| "Land" Countries | 0 | - | 4.98 | 336,081 |
| Countries by Independence Day | 0 | - | 4.61 | 52,727 |
| Former Countries by Capital | 0 | - | 4.45 | 127,448 |
| Former Countries | 0 | - | 4.75 | 133,758 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,937 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,132 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,031 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,875 |
| Communist Countries in History | 0 | - | 4.63 | 495,526 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,073 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,952 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,941 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,124 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,042 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,392 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,024 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,169 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,347 |
| Countries with Megacities | 0 | - | 4.99 | 262,901 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,187 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,169 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,483 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,213 |
| Countries by Official Language | 0 | - | 4.95 | 194,854 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,823 |
| Countries in their Native Language | 0 | - | 4.99 | 198,395 |
| Subdivisions by Country | 0 | - | 4.86 | 50,339 |
| Megadiverse Countries | 0 | - | 4.96 | 134,846 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,727 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,235 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,811 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,051 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,853 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,909 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,545 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,029 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,262 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,775 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,061 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,844 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,227 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,395 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,528 |
| World Map Quiz | 0 | - | 4.81 | 64,794 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,178 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,154 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,707 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,053 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,774 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,659 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,657 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,793 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,930 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,335 |
