| Independence from Whom | 0 | - | 4.99 | 209,846 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,869 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,041 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,156 |
| Battle to Country | 0 | - | 4.91 | 52,588 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,811 |
| NATO Countries | 0 | - | 4.98 | 276,236 |
| EU Countries Quiz | 0 | - | 4.99 | 270,269 |
| Recently Independent Countries | 0 | - | 4.98 | 158,063 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,217 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,728 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,200 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,890 |
| Countries with NO Military | 0 | - | 4.97 | 61,240 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,629 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,350 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 149,067 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,962 |
| Countries by Former Name | 0 | - | 4.99 | 124,372 |
| Historical City to Country | 0 | - | 4.84 | 78,173 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,966,455 |
| Landlocked Countries | 0 | - | 4.99 | 414,196 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,316 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,070 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,365 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,397 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,350 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,693 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,633 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,887 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,306 |
| Countries in World War I | 0 | - | 4.88 | 226,718 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,519 |
| Countries Settled by Vikings | 0 | - | 4.93 | 120,910 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,580 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,369 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,797 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,204 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,292 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,007 |
| Buddhist Countries | 0 | - | 4.96 | 143,028 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,664 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,807 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,216 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,721,653 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,674 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,819 |
| Himalayan Countries | 0 | - | 4.95 | 135,545 |
| Andean Countries | 0 | - | 4.94 | 82,938 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,301 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,338 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,002 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,676 |
| Danube Countries | 0 | - | 4.97 | 71,129 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,834 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,597 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,604 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,515 |
| European Landlocked Countries | 0 | - | 4.99 | 145,828 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,295 |
| Countries with the Most Species | 0 | - | 4.99 | 95,279 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,436 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,216 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,386 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,988 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,616 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,997 |
| Countries in the Alps | 0 | - | 4.86 | 116,919 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,636 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,361 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,058 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,470 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,241 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,053 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,655 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,809 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,504 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,113 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,214 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,075 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,492 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,801 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,791 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,185 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,701 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,287 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,148 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,852 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,596 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,866 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,637 |
| Largest Countries By Category | 0 | - | 4.97 | 156,855 |
| Orthodox Countries | 0 | - | 4.91 | 130,478 |
| Countries by Countries | 0 | - | 4.96 | 62,317 |
| Richest Island Countries | 0 | - | 4.84 | 99,607 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,152 |
| Monarchies of Europe | 0 | - | 4.90 | 97,394 |
| Monarchies of Asia | 0 | - | 4.97 | 70,645 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,777 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,016 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,510 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,498 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,569 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,981 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,826 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,465 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,357 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,274 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,586 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,591 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,723 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 262,383 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,031 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,772 |
| Countries that Start with A | 0 | - | 4.97 | 2,148,210 |
| Countries that Start with B | 0 | - | 4.95 | 2,281,044 |
| Countries that Start with C | 0 | - | 4.96 | 1,811,281 |
| Countries that Start with D | 0 | - | 4.96 | 702,224 |
| Countries that Start with E | 0 | - | 4.95 | 1,368,291 |
| Countries that Start with G | 0 | - | 4.97 | 1,493,663 |
| Countries that Start with H | 0 | - | 4.96 | 598,508 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,933 |
| Countries that Start with J | 0 | - | 4.98 | 596,562 |
| Countries that Start with K | 0 | - | 4.97 | 809,897 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,480 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,385 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,152 |
| Countries that Start with S | 0 | - | 4.98 | 1,745,418 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,677 |
| Countries that Start with U | 0 | - | 4.97 | 900,283 |
| Countries that Start with V | 0 | - | 4.98 | 605,451 |
| Countries that Start with F | 0 | - | 4.83 | 612,646 |
| Countries that Start with M | 0 | - | 4.97 | 1,374,038 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,691 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,044 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,558 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,722 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,342 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,148 |
| Island Countries | 0 | - | 4.99 | 707,834 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,363,960 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,251 |
| Northernmost Countries | 0 | - | 4.99 | 358,028 |
| Countries of South America | 0 | - | 5.00 | 915,800 |
| Countries of Oceania | 0 | - | 5.00 | 1,041,816 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,850,383 |
| "Land" Countries | 0 | - | 4.98 | 333,800 |
| Countries by Independence Day | 0 | - | 4.56 | 52,626 |
| Former Countries by Capital | 0 | - | 4.45 | 127,087 |
| Former Countries | 0 | - | 4.75 | 132,762 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,053 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,151 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,958 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,380 |
| Communist Countries in History | 0 | - | 4.63 | 492,815 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,320 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,178 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,522 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,341 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,509 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,111 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,064 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,898 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,570 |
| Countries with Megacities | 0 | - | 4.99 | 247,463 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,413 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,169 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,820 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,084 |
| Countries by Official Language | 0 | - | 4.95 | 192,899 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,301 |
| Countries in their Native Language | 0 | - | 4.99 | 196,751 |
| Subdivisions by Country | 0 | - | 4.86 | 50,096 |
| Megadiverse Countries | 0 | - | 4.97 | 133,952 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,925 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,947 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,458 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,872 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,737 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,204 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,242 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,757 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,710 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,449 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,537 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,530 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,720 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,050 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,744 |
| World Map Quiz | 0 | - | 4.81 | 63,618 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,013 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,398 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,475 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,233 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,007 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,931 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,925 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,116 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,331 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,979 |
