| Independence from Whom | 0 | - | 4.99 | 212,095 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,731 |
| Countries in World War I | 0 | - | 4.88 | 228,441 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,342 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,597 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,467 |
| Battle to Country | 0 | - | 4.91 | 53,506 |
| Majority Muslim Countries | 0 | - | 4.98 | 375,492 |
| NATO Countries | 0 | - | 4.98 | 281,521 |
| EU Countries Quiz | 0 | - | 4.99 | 275,480 |
| Recently Independent Countries | 0 | - | 4.98 | 159,473 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 289,286 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 274,425 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,203 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,933 |
| Countries with NO Military | 0 | - | 4.97 | 62,622 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,230 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,719 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,293 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,791 |
| Countries by Former Name | 0 | - | 4.99 | 125,343 |
| Historical City to Country | 0 | - | 4.84 | 78,633 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,583,445 |
| Communist Countries in History | 0 | - | 4.63 | 496,459 |
| Landlocked Countries | 0 | - | 4.99 | 421,975 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,700 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,916 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,867 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,502 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,299 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,904 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,335 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,641 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,403 |
| Former Capitals | 0 | - | 4.88 | 71,516 |
| Countries in World War II | 0 | - | 4.54 | 914,618 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,754 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,578 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,669 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,716 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,910 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,564 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,492 |
| Buddhist Countries | 0 | - | 4.96 | 144,597 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,605 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,016 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,948 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,778,783 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,907 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,458 |
| Himalayan Countries | 0 | - | 4.94 | 138,728 |
| Andean Countries | 0 | - | 4.93 | 84,606 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,804 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,824 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,431 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,808 |
| Danube Countries | 0 | - | 4.97 | 72,011 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,016 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,423 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,310 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,790 |
| European Landlocked Countries | 0 | - | 4.99 | 147,147 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,644 |
| Countries with the Most Species | 0 | - | 4.99 | 103,244 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,768 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,594 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,723 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,542 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,229 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,661 |
| Countries in the Alps | 0 | - | 4.87 | 118,205 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,139 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,040 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,645 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,598 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,512 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,946 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,673 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,492 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,179 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,850 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,652 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,528 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,227 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,470 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,523 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,911 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,308 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 63,797 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,759 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,077 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,947 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,114 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,233 |
| Largest Countries By Category | 0 | - | 4.97 | 158,215 |
| Orthodox Countries | 0 | - | 4.92 | 132,230 |
| Countries by Countries | 0 | - | 4.96 | 63,222 |
| Richest Island Countries | 0 | - | 4.84 | 100,772 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,046 |
| Monarchies of Europe | 0 | - | 4.90 | 98,337 |
| Monarchies of Asia | 0 | - | 4.97 | 71,212 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,653 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,575 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,611 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,686 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,118 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,287 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,132 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,566 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,676 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,011 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,644 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,633 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,964 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,521 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,594 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 272,511 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,511 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,706 |
| Countries that Start with A | 0 | - | 4.98 | 2,166,392 |
| Countries that Start with B | 0 | - | 4.95 | 2,297,803 |
| Countries that Start with C | 0 | - | 4.96 | 1,824,801 |
| Countries that Start with D | 0 | - | 4.96 | 711,614 |
| Countries that Start with E | 0 | - | 4.95 | 1,379,487 |
| Countries that Start with G | 0 | - | 4.97 | 1,505,756 |
| Countries that Start with H | 0 | - | 4.96 | 606,143 |
| Countries that Start with I | 0 | - | 4.92 | 1,290,121 |
| Countries that Start with J | 0 | - | 4.98 | 603,747 |
| Countries that Start with K | 0 | - | 4.97 | 817,285 |
| Countries that Start with L | 0 | - | 4.98 | 1,092,481 |
| Countries that Start with N | 0 | - | 4.93 | 1,119,520 |
| Countries that Start with P | 0 | - | 4.94 | 1,217,926 |
| Countries that Start with S | 0 | - | 4.98 | 1,757,357 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,188 |
| Countries that Start with U | 0 | - | 4.97 | 905,600 |
| Countries that Start with V | 0 | - | 4.98 | 610,110 |
| Countries that Start with F | 0 | - | 4.83 | 618,672 |
| Countries that Start with M | 0 | - | 4.97 | 1,383,655 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,996 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,473 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,586 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,574 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,498 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,256 |
| Island Countries | 0 | - | 4.99 | 711,055 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,383,674 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,879 |
| Northernmost Countries | 0 | - | 4.99 | 361,967 |
| Countries of South America | 0 | - | 5.00 | 927,340 |
| Countries of Oceania | 0 | - | 5.00 | 1,056,893 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,877,315 |
| "Land" Countries | 0 | - | 4.98 | 337,340 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,129 |
| Countries by Independence Day | 0 | - | 4.61 | 52,777 |
| Former Countries by Capital | 0 | - | 4.45 | 127,590 |
| Former Countries | 0 | - | 4.75 | 133,916 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,240 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,366 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,439 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,049 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,307 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,237 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,202 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,416 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,254 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,511 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,185 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,976 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,897 |
| Countries with Megacities | 0 | - | 4.99 | 264,568 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,741 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,468 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,999 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,541 |
| Countries by Official Language | 0 | - | 4.95 | 195,248 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,374 |
| Countries in their Native Language | 0 | - | 4.99 | 199,046 |
| Subdivisions by Country | 0 | - | 4.86 | 50,430 |
| Megadiverse Countries | 0 | - | 4.96 | 135,011 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,088 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,350 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,235 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,101 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,139 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,031 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,658 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,146 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,668 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,882 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,202 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,964 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,347 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,498 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,181 |
| World Map Quiz | 0 | - | 4.81 | 65,086 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,295 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,349 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,096 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,278 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,996 |
