| Independence from Whom | 0 | - | 4.99 | 209,697 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,753 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,000 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,023 |
| Battle to Country | 0 | - | 4.91 | 52,529 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,922,116 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,551 |
| NATO Countries | 0 | - | 4.98 | 275,768 |
| EU Countries Quiz | 0 | - | 4.99 | 269,956 |
| Recently Independent Countries | 0 | - | 4.98 | 157,989 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,949 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,342 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,061 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,768 |
| Countries with NO Military | 0 | - | 4.97 | 61,178 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,510 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,177 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,876 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,910 |
| Countries by Former Name | 0 | - | 4.99 | 124,296 |
| Historical City to Country | 0 | - | 4.84 | 78,130 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,255 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,124 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,495 |
| Landlocked Countries | 0 | - | 4.99 | 413,649 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,239 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,302 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,282 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,614 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,574 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,817 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,223 |
| Coldest World Capitals | 0 | - | 4.95 | 133,047 |
| Countries Settled by Vikings | 0 | - | 4.93 | 120,845 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,465 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,270 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,754 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,145 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,033 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,273 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,931 |
| Buddhist Countries | 0 | - | 4.96 | 142,957 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,729 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,884 |
| Coldest Countries | 0 | - | 4.97 | 137,238 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,093 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 82,355 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,717,066 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,600 |
| Himalayan Countries | 0 | - | 4.95 | 135,359 |
| Andean Countries | 0 | - | 4.94 | 82,830 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,221 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,218 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,905 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,613 |
| Countries in World War I | 0 | - | 4.88 | 226,623 |
| Danube Countries | 0 | - | 4.97 | 71,081 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,769 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,539 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,490 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,406 |
| European Landlocked Countries | 0 | - | 4.99 | 145,755 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,217 |
| Countries with the Most Species | 0 | - | 4.99 | 95,242 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,420 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,351 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,199 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,370 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,958 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,579 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,953 |
| Countries in the Alps | 0 | - | 4.86 | 116,825 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,567 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,258 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,013 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,423 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,163 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,003 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,581 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,759 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,300 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,060 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,196 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,045 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,454 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,748 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,755 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,065 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,648 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,254 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,774 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,311 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,677 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,603 |
| Largest Countries By Category | 0 | - | 4.97 | 156,763 |
| Countries by Countries | 0 | - | 4.96 | 62,256 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,963 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,768 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,985 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,130 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,857 |
| Island Countries | 0 | - | 4.99 | 707,635 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,472 |
| Northernmost Countries | 0 | - | 4.99 | 357,738 |
| Countries of South America | 0 | - | 5.00 | 914,806 |
| Countries of Oceania | 0 | - | 5.00 | 1,040,508 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,848,426 |
| "Land" Countries | 0 | - | 4.98 | 333,663 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,885 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,925 |
| Countries that Start with C | 0 | - | 4.96 | 1,810,363 |
| Countries that Start with D | 0 | - | 4.96 | 701,567 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,544 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,819 |
| Countries that Start with H | 0 | - | 4.96 | 597,989 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,303 |
| Countries that Start with J | 0 | - | 4.98 | 596,053 |
| Countries that Start with K | 0 | - | 4.97 | 809,430 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,908 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,769 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,576 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,560 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,239 |
| Countries that Start with U | 0 | - | 4.97 | 899,942 |
| Countries that Start with V | 0 | - | 4.98 | 605,115 |
| Countries that Start with F | 0 | - | 4.83 | 612,200 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,383 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,599 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,034 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,054 |
| Orthodox Countries | 0 | - | 4.91 | 130,393 |
| Richest Island Countries | 0 | - | 4.84 | 99,521 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,362,395 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,042 |
| Monarchies of Europe | 0 | - | 4.90 | 97,328 |
| Monarchies of Asia | 0 | - | 4.97 | 70,610 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,587 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,850 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,341 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,453 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,434 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,285 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,174 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,501 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,557 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,653 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 262,126 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,951 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,721 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,603 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,919 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,476 |
| Countries by Independence Day | 0 | - | 4.56 | 52,611 |
| Former Countries by Capital | 0 | - | 4.45 | 127,050 |
| Former Countries | 0 | - | 4.75 | 132,711 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,238 |
| Countries with Megacities | 0 | - | 4.99 | 246,938 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,135 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,978 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,550 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,870 |
| Countries by Official Language | 0 | - | 4.95 | 192,773 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,139 |
| Countries in their Native Language | 0 | - | 4.99 | 196,640 |
| Subdivisions by Country | 0 | - | 4.86 | 50,065 |
| Megadiverse Countries | 0 | - | 4.97 | 133,904 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,807 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,919 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,429 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,862 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,661 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,893 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,149 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,214 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,746 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,576 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,421 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,493 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,504 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,675 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,029 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,092 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,862 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,596 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,332 |
| World Map Quiz | 0 | - | 4.81 | 63,495 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,333 |
| Communist Countries in History | 0 | - | 4.63 | 492,540 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,356 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,991 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,954 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,772 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,856 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,063 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,279 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,947 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,338 |
| Widest Countries East to West | 0 | - | 4.92 | 128,606 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,218 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,215 |
