| Independence from Whom | 0 | - | 4.99 | 209,682 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,741 |
| Countries in World War I | 0 | - | 4.88 | 226,606 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,407 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,996 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,958 |
| Battle to Country | 0 | - | 4.91 | 52,521 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,509 |
| NATO Countries | 0 | - | 4.98 | 275,727 |
| EU Countries Quiz | 0 | - | 4.99 | 269,905 |
| Recently Independent Countries | 0 | - | 4.98 | 157,982 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,915 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,290 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,039 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,748 |
| Countries with NO Military | 0 | - | 4.97 | 61,171 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,495 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,153 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,854 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,901 |
| Countries by Former Name | 0 | - | 4.99 | 124,282 |
| Historical City to Country | 0 | - | 4.84 | 78,124 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,916,187 |
| Communist Countries in History | 0 | - | 4.63 | 492,512 |
| Landlocked Countries | 0 | - | 4.99 | 413,559 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,005 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,858 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,223 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,292 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,269 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,607 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,563 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,809 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,214 |
| Former Capitals | 0 | - | 4.88 | 71,140 |
| Countries in World War II | 0 | - | 4.53 | 904,512 |
| Countries Settled by Vikings | 0 | - | 4.93 | 120,837 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,450 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,262 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,740 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,133 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,272 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,918 |
| Buddhist Countries | 0 | - | 4.96 | 142,948 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,432 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,720 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,086 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,716,247 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,592 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,567 |
| Himalayan Countries | 0 | - | 4.95 | 135,336 |
| Andean Countries | 0 | - | 4.94 | 82,816 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,206 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,196 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,888 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,597 |
| Danube Countries | 0 | - | 4.97 | 71,073 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,754 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,532 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,462 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,381 |
| European Landlocked Countries | 0 | - | 4.99 | 145,745 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,198 |
| Countries with the Most Species | 0 | - | 4.99 | 95,238 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,332 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,197 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,367 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,955 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,571 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,949 |
| Countries in the Alps | 0 | - | 4.86 | 116,817 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,557 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,248 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,000 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,413 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,155 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,997 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,571 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,744 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,270 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,045 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,193 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,040 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,449 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,737 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,748 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,053 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,635 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,252 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,035 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,765 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,260 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,664 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,599 |
| Largest Countries By Category | 0 | - | 4.97 | 156,750 |
| Orthodox Countries | 0 | - | 4.91 | 130,379 |
| Countries by Countries | 0 | - | 4.96 | 62,251 |
| Richest Island Countries | 0 | - | 4.84 | 99,512 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,036 |
| Monarchies of Europe | 0 | - | 4.90 | 97,309 |
| Monarchies of Asia | 0 | - | 4.97 | 70,600 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,568 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,816 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,324 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,376 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,434 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,961 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,044 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,330 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,760 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,432 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,271 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,166 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,487 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,550 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,641 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 262,097 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,936 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,713 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,700 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,782 |
| Countries that Start with C | 0 | - | 4.96 | 1,810,233 |
| Countries that Start with D | 0 | - | 4.96 | 701,484 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,462 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,714 |
| Countries that Start with H | 0 | - | 4.96 | 597,913 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,216 |
| Countries that Start with J | 0 | - | 4.98 | 595,978 |
| Countries that Start with K | 0 | - | 4.97 | 809,356 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,827 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,686 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,499 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,455 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,176 |
| Countries that Start with U | 0 | - | 4.97 | 899,894 |
| Countries that Start with V | 0 | - | 4.98 | 605,067 |
| Countries that Start with F | 0 | - | 4.83 | 612,154 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,266 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,592 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,903 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,465 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,874 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,100 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,824 |
| Island Countries | 0 | - | 4.99 | 707,600 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,362,205 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,393 |
| Northernmost Countries | 0 | - | 4.99 | 357,698 |
| Countries of South America | 0 | - | 5.00 | 914,625 |
| Countries of Oceania | 0 | - | 5.00 | 1,040,350 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,848,155 |
| "Land" Countries | 0 | - | 4.98 | 333,637 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,725 |
| Countries by Independence Day | 0 | - | 4.56 | 52,610 |
| Former Countries by Capital | 0 | - | 4.45 | 127,044 |
| Former Countries | 0 | - | 4.75 | 132,701 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,857 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,087 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,843 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,323 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,242 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,119 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,489 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,254 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,452 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,088 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,989 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,614 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,176 |
| Countries with Megacities | 0 | - | 4.99 | 246,851 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,091 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,952 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,507 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,840 |
| Countries by Official Language | 0 | - | 4.95 | 192,763 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,116 |
| Countries in their Native Language | 0 | - | 4.99 | 196,627 |
| Subdivisions by Country | 0 | - | 4.86 | 50,064 |
| Megadiverse Countries | 0 | - | 4.97 | 133,897 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,791 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,918 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,427 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,858 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,649 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,141 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,210 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,743 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,561 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,412 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,490 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,501 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,671 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,020 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,576 |
| World Map Quiz | 0 | - | 4.81 | 63,491 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,653 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,323 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,342 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,981 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,945 |
